{"title":"ESB Tremila Series","description":"\u003cp\u003e\u003cstrong\u003eESB Tremila Series\u003c\/strong\u003e is ESB Audio's car speaker range, spanning complete 2-way and 3-way component systems, individual component drivers, a coaxial pair, and compact active subwoofers. It is suited to sound quality installations and to anyone looking to upgrade their car audio with accurate, low-distortion reproduction.\u003c\/p\u003e\u003cp\u003eWhether you are building a multi-way component system, replacing a single driver, or adding a slim powered subwoofer, there is a Tremila product to match. The range is available from £69.99.\u003c\/p\u003e","products":[{"product_id":"esb-3-wb6-tremila-series-6-5-inch-active-ported-subwoofer-enclosure-250w-rms","title":"ESB 3.WB6 Tremila Series 6.5 Inch Active Ported Subwoofer Enclosure 250w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.WB6 is a 6.5 inch (165 mm) active ported subwoofer from ESB Audio's Tremila Series, with a built-in high-current Class D amplifier delivering 250W RMS (500W max) in an MDF enclosure just 15 cm deep. A remote control is included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 6.5 inch \/ 165 mm, fibreglass\/paper cone, ferrite magnet\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in high-current Class D\u003c\/li\u003e\n\u003cli\u003ePower: 250W RMS \/ 500W max\u003c\/li\u003e\n\u003cli\u003eSpeaker impedance: 0.40 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 88 dB\u003c\/li\u003e\n\u003cli\u003eDepth: 15 cm\u003c\/li\u003e\n\u003cli\u003eControls: gain, low pass filter 50 Hz to 200 Hz, bass boost 0 to 12 dB, phase 0° to 180°\u003c\/li\u003e\n\u003cli\u003eTurn-on: auto power-on (REM, DC offset, auto)\u003c\/li\u003e\n\u003cli\u003eEnclosure: ported MDF, remote control included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e3.WB6 6.5\"\/165 mm Active Ported Subwoofer\u003c\/h2\u003e\n\u003cp\u003eESB's 3.WB6 packs a 6.5 inch active subwoofer into a slim 15 cm deep ported enclosure — a practical bass upgrade where space is limited. It uses a low impedance, high-efficiency driver design suited to electric vehicles, paired with an amplifier that omits the switching power supply stage to reduce noise.\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-compact installation depth: 15 cm\u003c\/li\u003e\n\u003cli\u003eHigh-current Class D digital amplifier\u003c\/li\u003e\n\u003cli\u003ePower: 250W RMS \/ 500W max\u003c\/li\u003e\n\u003cli\u003eSpeaker impedance: 0.40 ohm\u003c\/li\u003e\n\u003cli\u003eDriver: fibreglass\/paper cone, ferrite magnet\u003c\/li\u003e\n\u003cli\u003eVariable gain control, low pass filter (50 Hz to 200 Hz), variable bass boost (0 to 12 dB), phase control (0° to 180°)\u003c\/li\u003e\n\u003cli\u003eAuto power-on (REM, DC offset, auto)\u003c\/li\u003e\n\u003cli\u003eRemote control included\u003c\/li\u003e\n\u003cli\u003eEnclosure material: MDF\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52623870853386,"sku":"92430","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3000series5.jpg?v=1772101862"},{"product_id":"esb-3-wb8-tremila-series-8-inch-active-ported-subwoofer-enclosure-300w-rms","title":"ESB 3.WB8 Tremila Series 8 Inch Active Ported Subwoofer Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.WB8 is an 8 inch (200 mm) active ported subwoofer from ESB Audio's Tremila Series, featuring a built-in high-current Class D amplifier delivering 300W RMS (600W max) in an MDF enclosure just 15 cm deep.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 8 inch model. The Tremila Series active ported subwoofer is also available as the \u003ca href=\"\/products\/esb-3-wb6-tremila-series-6-5-inch-active-ported-subwoofer-enclosure-250w-rms\"\u003eESB 3.WB6 in 6.5 inch with 250W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8 inch \/ 200 mm, fibreglass\/paper cone, ferrite magnet\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in high-current Class D\u003c\/li\u003e\n\u003cli\u003ePower: 300W RMS \/ 600W max\u003c\/li\u003e\n\u003cli\u003eSpeaker impedance: 0.25 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 88 dB\u003c\/li\u003e\n\u003cli\u003eDepth: 15 cm\u003c\/li\u003e\n\u003cli\u003eControls: gain, low pass filter 50 Hz to 200 Hz, bass boost 0 to 12 dB, phase 0° to 180°\u003c\/li\u003e\n\u003cli\u003eTurn-on: auto power-on (REM, DC offset, auto)\u003c\/li\u003e\n\u003cli\u003eEnclosure: ported MDF, remote control included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e3.WB8 8\"\/200 mm Active Ported Subwoofer\u003c\/h2\u003e\n\u003cp\u003eA compact, self-contained subwoofer that fits where full-size boxes won't, without sacrificing bass output.\u003c\/p\u003e\n\u003cp\u003eThe 3.WB8 combines a ported MDF enclosure with a built-in Class D amplifier in a unit just 15 cm deep. Its 0.25 ohm speaker impedance allows the amplifier to run without a switching power supply, reducing noise and improving efficiency — a setup particularly well suited to electric and hybrid vehicles.\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-compact build at only 15 cm depth, easy to install\u003c\/li\u003e\n\u003cli\u003eHigh-current Class D digital amplifier\u003c\/li\u003e\n\u003cli\u003ePower: 300W RMS \/ 600W max\u003c\/li\u003e\n\u003cli\u003eSpeaker impedance: 0.25 ohm\u003c\/li\u003e\n\u003cli\u003eDriver: fibreglass\/paper cone, ferrite magnet\u003c\/li\u003e\n\u003cli\u003eVariable gain control, low pass filter (50 Hz to 200 Hz), variable bass boost (0 to 12 dB), phase control (0° to 180°)\u003c\/li\u003e\n\u003cli\u003eAuto power-on (REM, DC offset, auto)\u003c\/li\u003e\n\u003cli\u003eRemote control included\u003c\/li\u003e\n\u003cli\u003eEnclosure material: MDF\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52624169304330,"sku":"92431","price":349.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3000series5.jpg?v=1772101862"},{"product_id":"esb-3-6c-2-way-6-5-inch-coaxial-car-speaker-80w-rms-pair","title":"ESB 3.6C 2 Way 6.5 Inch Coaxial Car Speaker 80w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.6C is a 6.5 inch (165 mm) 2-way coaxial car speaker from ESB Audio's Tremila Series, rated at 80W RMS (160W transient) at 4 ohms with a frequency response of 65 Hz to 25 kHz. Sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOther ESB 6.5 inch coaxials: the \u003ca href=\"\/products\/esb-1-6c-2-way-6-5-inch-coaxial-car-speaker-silk-dome-tweeter-90w-rms-pair\"\u003e1000 Series 1.6C\u003c\/a\u003e (90W RMS) and the \u003ca href=\"\/products\/esb-4-6c-2-way-6-5-inch-coaxial-car-speaker-100w-rms-pair\"\u003e4000 Series 4.6C\u003c\/a\u003e (100W RMS).\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6.5 inch \/ 165 mm coaxial\u003c\/li\u003e\n\u003cli\u003ePower handling: 80W RMS \/ 160W transient\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 65 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91.5 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eWoofer: waterproofed pressed paper cone, 25 mm voice coil, high-grade ferrite magnet\u003c\/li\u003e\n\u003cli\u003eTweeter magnet: N35 neodymium\u003c\/li\u003e\n\u003cli\u003eBasket: ABS reinforced with fibreglass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e3.6C 6.5\"\/165 mm Coaxial\u003c\/h2\u003e\n\u003cp\u003eA well-engineered 6.5 inch coaxial built for clean, accurate sound using quality materials throughout.\u003c\/p\u003e\n\u003cp\u003eThe basket is ABS reinforced with fibreglass, maximising torsional rigidity while keeping airflow resistance to a minimum.\u003c\/p\u003e\n\u003cp\u003eThe woofer cone is pressed paper with a waterproof treatment — a material well regarded for its balance of lightness, stiffness and natural damping, reducing unwanted vibration and distortion.\u003c\/p\u003e\n\u003cp\u003eThe single wave rubber surround offers high damping and greater stability across temperature changes than standard rubber surrounds.\u003c\/p\u003e\n\u003cp\u003eThe 25 mm voice coil uses an aluminium former with a double layer winding of copper wire around an aluminium core.\u003c\/p\u003e\n\u003cp\u003eThe woofer uses a high-grade ferrite magnet; the tweeter uses an N35 neodymium magnet. If you're also looking to add bass, ESB's \u003ca href=\"\/products\/esb-hr-10-us-active-underseat-subwoofer-10-inch-powered-car-sub-130w-rms\"\u003eHR 10 US underseat subwoofer\u003c\/a\u003e pairs well with a coaxial upgrade.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52624246702346,"sku":"92432","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/ESB_3.6C.jpg?v=1772103095"},{"product_id":"esb-3-6k2x-6-5-inch-2-way-component-speaker-system-with-1-inch-tweeter-pair","title":"ESB 3.6K2X 6.5 Inch 2 Way Component Speaker System with 1 Inch Tweeter Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.6K2X is a 6.5 inch 2-way component speaker system from ESB Audio's Tremila Series, pairing the 3.165 6.5 inch (165 mm) mid-woofer (120W RMS) with the 3.25 1 inch (25 mm) silk dome tweeter (90W RMS). Both drivers are 4 ohm.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe drivers are also sold separately: the \u003ca href=\"\/products\/esb-3-165-tremila-series-6-5-inch-component-mid-woofer-120w-rms-pair\"\u003eESB 3.165 mid-woofer\u003c\/a\u003e and the \u003ca href=\"\/products\/esb-3-25-tremila-series-1-inch-dome-tweeter-90w-rms-pair\"\u003eESB 3.25 tweeter\u003c\/a\u003e. For a 3-way set, see the \u003ca href=\"\/products\/esb-3-6k3-tremila-series-3-way-component-speaker-system\"\u003eESB 3.6K3\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 2-way component system, 4 ohm\u003c\/li\u003e\n\u003cli\u003eMid-woofer: 3.165, 6.5 inch \/ 165 mm\u003c\/li\u003e\n\u003cli\u003eMid-woofer power: 120W RMS \/ 240W transient\u003c\/li\u003e\n\u003cli\u003eMid-woofer response: 65 Hz to 9 kHz, 91.5 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eTweeter: 3.25, 1 inch \/ 25 mm silk dome\u003c\/li\u003e\n\u003cli\u003eTweeter power: 90W RMS \/ 180W transient\u003c\/li\u003e\n\u003cli\u003eTweeter response: 900 Hz to 25 kHz, 92 dB (2.83V\/1m)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e3.6K2X 2-Way Speaker System with 1\"\/25 mm Tweeter + Cx\u003c\/h2\u003e\n\n\u003ch3\u003e3.165 6.5\"\/165 mm Mid-Woofer\u003c\/h3\u003e\n\u003cp\u003eFibreglass-reinforced ABS basket engineered for maximum torsional rigidity while minimising resistance to air passage.\u003c\/p\u003e\n\u003cp\u003ePressed paper cone with waterproof treatment. Paper cones offer an ideal balance of lightness, stiffness and vibration damping.\u003c\/p\u003e\n\u003cp\u003eHigh-damping, single-wave rubber surround using Perbunan® rubber, which is more thermally stable than standard rubber.\u003c\/p\u003e\n\u003cp\u003e25 mm voice coil on an aluminium support with double-layer winding of copper wire with an aluminium core. High-grade ferrite magnet for significantly higher performance than standard magnets.\u003c\/p\u003e\n\n\u003ch3\u003e3.25 1\"\/25 mm Dome Tweeter\u003c\/h3\u003e\n\u003cp\u003eSilk-impregnated thin fabric dome diaphragm for smooth sound. The outer suspension is coated with a high-loss damping material to eliminate edge vibration and resonance. The extremely low-mass dome resists mechanical deformation and delivers a smooth, linear, extended response.\u003c\/p\u003e\n\u003cp\u003e25 mm voice coil on an aluminium support wound with very light copper-coated aluminium wire. The voice coil is ventilated and damped with ferrofluid oil.\u003c\/p\u003e\n\u003cp\u003eESB's SVS ventilation design provides optimal voice coil cooling and prevents air compression behind the dome.\u003c\/p\u003e\n\u003cp\u003eNeodymium N42 magnet, optimised via computer simulation for improved efficiency and linearity.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52629906718986,"sku":"92433","price":179.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3.6K2X.jpg?v=1772103013"},{"product_id":"esb-tremila-series-3-90-3-5-inch-component-cone-midrange-speaker-60w-rms-pair","title":"ESB Tremila Series 3.90 3.5 Inch Component Cone Midrange Speaker 60w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB Tremila Series 3.90 is a 3.5 inch (90 mm) component cone midrange speaker rated at 60W RMS, sold as a pair. It is part of ESB Audio's Tremila Series and is designed for 3-way or dedicated midrange positions in a sound quality installation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 3.5 inch \/ 90 mm\u003c\/li\u003e\n\u003cli\u003ePower handling: 60W RMS, 120W transient\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91.5 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 150 Hz to 7 kHz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 20 mm, aluminium former\u003c\/li\u003e\n\u003cli\u003eCone: pressed paper with waterproof treatment\u003c\/li\u003e\n\u003cli\u003eMagnet: high-grade ferrite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e3.90 3.5\"\/90 mm cone midrange\u003c\/h2\u003e\n\u003cp\u003eA 60W RMS midrange driver built for accuracy, using quality materials throughout to keep distortion low and output clean.\u003c\/p\u003e\n\u003cp\u003eThe ABS basket is reinforced with fibreglass, giving it strong torsional rigidity while allowing maximum airflow through the basket walls.\u003c\/p\u003e\n\u003cp\u003eThe pressed paper cone uses a waterproof treatment. Paper cones are well regarded for their ideal balance of low weight, stiffness and natural damping, all of which help reduce unwanted vibration and distortion.\u003c\/p\u003e\n\u003cp\u003eThe twin symmetrical wave rubber surround uses Perbunan rubber, which stays stable across a wider temperature range than standard rubber. The 20 mm voice coil is wound on an aluminium former using a double-layer copper and aluminium core winding.\u003c\/p\u003e\n\u003cp\u003eA high-grade ferrite magnet delivers stronger magnetic performance than standard magnets, helping to improve overall driver efficiency. For a larger midrange option from ESB Audio, see the \u003ca href=\"\/products\/esb-4-165-4000-series-6-5-inch-component-mid-woofer-150w-rms-pair\"\u003eESB 4.165 4000 Series 6.5 inch component mid woofer\u003c\/a\u003e.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52629962359050,"sku":"92434","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/esb3.90.jpg?v=1772723719"},{"product_id":"esb-3-165-tremila-series-6-5-inch-component-mid-woofer-120w-rms-pair","title":"ESB 3.165 Tremila Series 6.5 Inch Component Mid Woofer 120w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.165 is a 6.5 inch (165 mm) component mid-woofer from ESB Audio's Tremila Series, rated at 120W RMS (240W transient) at 4 ohms and sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3.165 is also the mid-woofer supplied in ESB's \u003ca href=\"\/products\/esb-3-6k2x-6-5-inch-2-way-component-speaker-system-with-1-inch-tweeter-pair\"\u003e3.6K2X 2-way\u003c\/a\u003e and \u003ca href=\"\/products\/esb-3-6k3-tremila-series-3-way-component-speaker-system\"\u003e3.6K3 3-way\u003c\/a\u003e component systems. Matching Tremila tweeters are the \u003ca href=\"\/products\/esb-3-25-tremila-series-1-inch-dome-tweeter-90w-rms-pair\"\u003e3.25 (1 inch)\u003c\/a\u003e and \u003ca href=\"\/products\/esb-3-28-tremila-series-1-1-inch-dome-tweeter-90w-rms-pair\"\u003e3.28 (1.1 inch)\u003c\/a\u003e. If you need a step-up 6.5 inch option, ESB also offer the \u003ca href=\"\/products\/esb-4-165-4000-series-6-5-inch-component-mid-woofer-150w-rms-pair\"\u003e4.165 from the 4000 Series at 150W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6.5 inch \/ 165 mm\u003c\/li\u003e\n\u003cli\u003ePower handling: 120W RMS \/ 240W transient\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 65 Hz to 9 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91.5 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eCone: pressed paper with waterproof treatment\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25 mm, aluminium former, double-layer winding\u003c\/li\u003e\n\u003cli\u003eMagnet: high-grade ferrite\u003c\/li\u003e\n\u003cli\u003eBasket: ABS reinforced with fibreglass\u003c\/li\u003e\n\u003cli\u003eSold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e3.165 6.5\"\/165 mm Mid-Woofer\u003c\/h2\u003e\n\u003cp\u003eA well-engineered 6.5 inch mid-woofer built for clarity and durability, sold as a pair.\u003c\/p\u003e\n\u003cp\u003eThe ABS basket is reinforced with fibreglass for maximum torsional rigidity while keeping airflow resistance low, so the driver stays stable under load without choking itself.\u003c\/p\u003e\n\u003cp\u003eThe pressed paper cone uses a waterproof treatment. Paper cones balance lightness, stiffness and natural damping to keep distortion in check.\u003c\/p\u003e\n\u003cp\u003eThe surround is a high-damping, single-wave Perbunan® rubber edge. It handles temperature changes more consistently than standard rubber, keeping performance predictable in a car environment.\u003c\/p\u003e\n\u003cp\u003eThe 25 mm voice coil sits on an aluminium former with a double-layer winding of copper wire on an aluminium core, driven by a high-grade ferrite magnet for efficient, consistent output.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52630021210378,"sku":"92435","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3.165_8c3651e8-ee56-4091-846d-d7c0dd6f73a9.jpg?v=1772103784"},{"product_id":"esb-3-65-tremila-series-2-5-inch-component-cone-wide-range-60w-rms-pair","title":"ESB 3.65 Tremila Series 2.5 Inch Component Cone Wide Range 60w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.65 is a 2.5 inch (65 mm) wide range cone speaker from ESB Audio's Tremila Series, rated at 60W RMS (120W transient) at 4 ohms. Sold as a pair, it is designed for use in a 3-way system alongside a woofer and tweeter, or in a 2-way system as a tweeter replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 2.5 inch \/ 65 mm wide range\u003c\/li\u003e\n\u003cli\u003ePower handling: 60W RMS \/ 120W transient\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 130 Hz to 22 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 86 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 20 mm, aluminium support, double layer winding\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium N42\u003c\/li\u003e\n\u003cli\u003eCentre plug: CNC aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e3.65 2.5\"\/65 mm Cone Widerange\u003c\/h2\u003e\n\u003cp\u003eThe 3.65 wide range speaker works in a 3-way system with a woofer and tweeter, or in a 2-way system as a tweeter replacement. Purpose-built from the ground up, it delivers exceptional transient response and strong linearity for clear, natural midrange reproduction. Dynamic motor and suspension behaviour have been carefully optimised to minimise distortion and non-linearities.\u003c\/p\u003e\n\u003cp\u003eThe CNC aluminium centre plug controls and linearises high-frequency extension. Its precisely calculated sharp edges create refraction that widens the reproducible frequency spectrum. The 20 mm voice coil provides good power handling, and its low mass allows the driver to operate well beyond 20 kHz.\u003c\/p\u003e\n\u003cp\u003eThe ABS basket is reinforced with fibreglass, engineered for maximum torsional rigidity while keeping air-passage resistance to a minimum.\u003c\/p\u003e\n\u003cp\u003eThe pressed paper cone has a waterproof treatment. Paper cones offer an ideal balance of lightness, stiffness, and the ability to damp unwanted vibration.\u003c\/p\u003e\n\u003cp\u003eThe high-damping single-wave Perbunan® rubber surround is significantly more temperature-stable than standard rubber. The 20 mm voice coil uses an aluminium support with double layer copper-wire winding over an aluminium core.\u003c\/p\u003e\n\u003cp\u003eThe neodymium N42 magnet delivers considerably higher performance than standard magnet types. If you need a mid-woofer to partner the 3.65 in a 3-way build, see the \u003ca href=\"\/products\/esb-4-165-4000-series-6-5-inch-component-mid-woofer-150w-rms-pair\"\u003eESB 4.165 4000 Series 6.5 inch component mid-woofer\u003c\/a\u003e.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52630076096778,"sku":"92445","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3.65.jpg?v=1772103889"},{"product_id":"esb-3-28-tremila-series-1-1-inch-dome-tweeter-90w-rms-pair","title":"ESB 3.28 Tremila Series 1.1 Inch Dome Tweeter 90w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.28 is a 1.1 inch (28 mm) dome tweeter from ESB Audio's Tremila Series, handling 90W RMS (180W transient) at 4 ohms. It features a Torcon® diaphragm and a neodymium N42 magnet, and is sold as a pair. It is the tweeter used in the ESB 3.6K3 3-way component system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNeed a 1 inch tweeter instead? The \u003ca href=\"\/products\/esb-3-25-tremila-series-1-inch-dome-tweeter-90w-rms-pair\"\u003eESB 3.25\u003c\/a\u003e is the 25 mm Tremila silk dome tweeter. The matching Tremila mid-woofer is the \u003ca href=\"\/products\/esb-3-165-tremila-series-6-5-inch-component-mid-woofer-120w-rms-pair\"\u003eESB 3.165\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 1.1 inch \/ 28 mm dome\u003c\/li\u003e\n\u003cli\u003eDiaphragm: Torcon®\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS \/ 180W transient\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 900 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 94 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 28 mm, ventilated and ferrofluid damped\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium N42\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e3.28 1.1\"\/28 mm Dome Tweeter\u003c\/h2\u003e\n\u003cp\u003eA high-performance 28 mm dome tweeter built for detail, low distortion and extended high-frequency response.\u003c\/p\u003e\n\u003cp\u003eThe Torcon® diaphragm delivers a smooth sound, with an outer suspension coated in high-loss damping material to eliminate edge vibration and resonance. The extremely low-mass dome resists mechanical deformation and provides a smooth, linear and very extended response.\u003c\/p\u003e\n\u003cp\u003eThe 28 mm voice coil uses an aluminium support with light copper-coated aluminium wire. It is ventilated and ferrofluid damped, with ESB's SVS ventilation design providing optimal cooling and preventing air compression behind the dome.\u003c\/p\u003e\n\u003cp\u003eThe neodymium N42 magnet is optimised using computer simulations for improved efficiency and linearity, offering significantly higher performance than standard magnets.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52631098786058,"sku":"92451","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3.28.jpg?v=1772120429"},{"product_id":"esb-3-25-tremila-series-1-inch-dome-tweeter-90w-rms-pair","title":"ESB 3.25 Tremila Series 1 Inch Dome Tweeter 90w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.25 is a 1 inch (25 mm) silk dome tweeter from ESB Audio's Tremila Series, rated at 90W RMS (180W transient) at 4 ohms with a neodymium N42 magnet. Sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 1 inch (25 mm) ESB 3.25. The Tremila Series tweeter is also available as the \u003ca href=\"\/products\/esb-3-28-tremila-series-1-1-inch-dome-tweeter-90w-rms-pair\"\u003eESB 3.28 with a 1.1 inch (28 mm) Torcon® dome\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 1 inch \/ 25 mm dome\u003c\/li\u003e\n\u003cli\u003eDiaphragm: silk-impregnated thin fabric dome\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS \/ 180W transient\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 900 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25 mm, ventilated and ferrofluid damped\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium N42\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e3.25 1\"\/25 mm Dome Tweeter\u003c\/h2\u003e\n\n\u003cp\u003eThe ESB 3.25 is the tweeter used in the ESB 3.6K2X 2-way component system, and pairs with the \u003ca href=\"\/products\/esb-3-165-tremila-series-6-5-inch-component-mid-woofer-120w-rms-pair\"\u003eESB 3.165 Tremila mid-woofer\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe silk-impregnated thin fabric dome diaphragm delivers smooth, natural sound. The outer suspension is covered with a high-loss damping material to eliminate edge vibration and resonance. The dome's extremely low mass reduces susceptibility to mechanical deformation, resulting in a smooth, linear and extended frequency response.\u003c\/p\u003e\n\n\u003cp\u003eThe 25 mm voice coil uses an aluminium support with lightweight copper-coated aluminium wire. It is ventilated and damped with ferrofluid oil for controlled, accurate performance.\u003c\/p\u003e\n\n\u003cp\u003eESB's SVS ventilation design keeps the voice coil cool and prevents air compression behind the dome. The neodymium N42 magnet is computer-optimised for improved efficiency and linearity — a significant step up from standard magnet designs.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52631124541706,"sku":"92452","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3.25.jpg?v=1772103314"},{"product_id":"esb-3-6k3-tremila-series-3-way-component-speaker-system","title":"ESB 3.6K3 Tremila Series 3 Way Component Speaker System with Midrange and Tweeters","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.6K3 is a 3-way component car speaker system from ESB Audio's Tremila Series, comprising 3.165 6.5 inch (165 mm) mid-woofers, 3.90 3.5 inch (90 mm) cone midranges and 3.28 1.1 inch (28 mm) Torcon® dome tweeters. All drivers are 4 ohm, with the mid-woofers rated at 120W RMS.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003ePrefer a 2-way set? See the \u003ca href=\"\/products\/esb-3-6k2x-6-5-inch-2-way-component-speaker-system-with-1-inch-tweeter-pair\"\u003eESB 3.6K2X\u003c\/a\u003e. The \u003ca href=\"\/products\/esb-3-165-tremila-series-6-5-inch-component-mid-woofer-120w-rms-pair\"\u003e3.165 mid-woofer\u003c\/a\u003e and \u003ca href=\"\/products\/esb-3-28-tremila-series-1-1-inch-dome-tweeter-90w-rms-pair\"\u003e3.28 tweeter\u003c\/a\u003e are also sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 3-way component system, 4 ohm\u003c\/li\u003e\n\u003cli\u003eMid-woofer: 3.165, 6.5 inch \/ 165 mm, 120W RMS \/ 240W transient, 65 Hz to 9 kHz, 91.5 dB\u003c\/li\u003e\n\u003cli\u003eMidrange: 3.90, 3.5 inch \/ 90 mm, 60W RMS \/ 120W transient, 150 Hz to 7 kHz, 91.5 dB\u003c\/li\u003e\n\u003cli\u003eTweeter: 3.28, 1.1 inch \/ 28 mm, 90W RMS \/ 180W transient, 900 Hz to 25 kHz, 94 dB\u003c\/li\u003e\n\u003cli\u003eSensitivity reference: 2.83V\/1m\u003c\/li\u003e\n\u003cli\u003eIn the box: 3.28 tweeters, 3.90 midranges, 3.165 woofers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e3.6K3 3-Way Speaker System\u003c\/h2\u003e\n\n\u003ch3\u003e3.28 1.1\"\/28 mm Dome Tweeter\u003c\/h3\u003e\n\u003cp\u003eThe tweeter uses a Torcon® diaphragm for smooth sound reproduction. The outer suspension is treated with a high-loss damping material to eliminate edge vibration and resonance. The extremely low-mass dome resists mechanical deformation and delivers a smooth, linear, extended frequency response.\u003c\/p\u003e\n\u003cp\u003eThe 28 mm voice coil features an aluminium support with light copper-coated aluminium wire. The coil is ventilated and damped with ferrofluid oil.\u003c\/p\u003e\n\u003cp\u003eESB's SVS ventilation design optimally cools the voice coil and prevents air compression behind the dome.\u003c\/p\u003e\n\u003cp\u003eThe neodymium N42 magnet is optimised via computer simulation for improved efficiency and linearity.\u003c\/p\u003e\n\n\u003ch3\u003e3.90 3.5\"\/90 mm Cone Midrange\u003c\/h3\u003e\n\u003cp\u003eFibreglass-reinforced ABS basket engineered for maximum torsional rigidity with minimum resistance to air passage.\u003c\/p\u003e\n\u003cp\u003eWaterproof-treated pressed paper cone, combining lightness, stiffness and effective damping of unwanted vibration.\u003c\/p\u003e\n\u003cp\u003eTwin symmetrical wave rubber surround using Perbunan® rubber, which remains stable across a wide temperature range.\u003c\/p\u003e\n\u003cp\u003eThe 20 mm voice coil uses an aluminium support with double-layer copper wire and aluminium-core winding. High-grade ferrite magnet for strong performance.\u003c\/p\u003e\n\n\u003ch3\u003e3.165 6.5\"\/165 mm Mid-Woofer\u003c\/h3\u003e\n\u003cp\u003eFibreglass-reinforced ABS basket engineered for maximum torsional rigidity with minimum resistance to air passage.\u003c\/p\u003e\n\u003cp\u003eWaterproof-treated pressed paper cone, combining lightness, stiffness and effective damping of unwanted vibration.\u003c\/p\u003e\n\u003cp\u003eHigh-damping single-wave Perbunan® rubber surround, stable across a wide temperature range.\u003c\/p\u003e\n\u003cp\u003eThe 25 mm voice coil uses an aluminium support with double-layer copper wire and aluminium-core winding. High-grade ferrite magnet for strong performance.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52636411298058,"sku":"92460","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/3000series3.jpg?v=1772201436"},{"product_id":"esb-3-69-tremila-series-6x9-inch-component-woofer-120w-rms-pair","title":"ESB 3.69 Tremila Series 6x9 Inch Component Woofer 120w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe ESB 3.69 is a 6x9 inch (150 x 230 mm) component woofer from ESB Audio's Tremila Series, rated at 120W RMS (240W maximum) at 4 ohms and sold as a pair. It is designed for accurate, low-distortion bass and midrange reproduction from a standard 6x9 mounting location.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6x9 inch \/ 150 x 230 mm\u003c\/li\u003e\n\u003cli\u003ePower handling: 120W RMS \/ 240W maximum\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm (DC resistance 3.14 ohm)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 55 Hz to 9 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91.5 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25 mm, aluminium former, 2 layers, 10.5 mm height\u003c\/li\u003e\n\u003cli\u003eMagnet: Y-35 ferrite\u003c\/li\u003e\n\u003cli\u003eCone: fibre-reinforced high strength paper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e3.69 6x9\"\/150x230 mm Woofer\u003c\/h2\u003e\n\u003cp\u003eThe basket is made from ABS reinforced with fibreglass, keeping the structure rigid under load while allowing air to move freely and reducing back-pressure.\u003c\/p\u003e\n\u003cp\u003eThe cone is pressed paper with a waterproof treatment. Paper cones are well regarded for their low weight, natural stiffness, and ability to damp unwanted resonance without colouring the sound.\u003c\/p\u003e\n\u003cp\u003eThe surround uses a high-damping single-wave design made from Perbunan® rubber, which holds its properties across a wider temperature range than standard rubber — better suited to real-world installation conditions.\u003c\/p\u003e\n\u003cp\u003eThe 25 mm voice coil uses an aluminium former wound with a double layer of copper wire around an aluminium core. This keeps moving mass low while maintaining electrical efficiency.\u003c\/p\u003e\n\u003cp\u003eA Y-35 ferrite magnet drives the assembly, delivering stronger magnetic flux than standard ferrite units for improved motor control and lower distortion at higher excursion levels. If you need a complementary component speaker system, the \u003ca href=\"\/products\/esb-hb1-6k2x-2-way-component-speaker-system-with-12db-tweeter-crossover-65w-rms\"\u003eESB HB1.6K2X 2-way component speaker system\u003c\/a\u003e is also available from ESB Audio.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":53177222594826,"sku":"93447","price":129.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/edb3.69.jpg?v=1781100442"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/collections\/a387f27e079181eaf8c036a8be040c8a_032da2c1-9359-49ee-a5a0-996adf343f22.png?v=1792187813","url":"https:\/\/www.cen.uk\/collections\/esb-tremila-series.oembed","provider":"CEN","version":"1.0","type":"link"}