ESB 3.WB6 Tremila Series 6.5 Inch Active Ported Subwoofer Enclosure 250w RMS
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The ESB 3.WB6 packs a 6.5 inch active subwoofer into a slim 15 cm deep enclosure, making it a practical upgrade where space is tight.
3.WB6
6.5"/165 mm Active Ported Subwoofer
ESB presents a new, active, ported subwoofer with extremely compact dimensions without sacrificing the power required by this speaker. The 3.WB6 uses a new construction technology, where is possible to use a very low impedance and high efficiency speaker (ideal for electric machines), an amplifier without the switching power supply stage (therefore less noise) and a higher power in a small space.
Main Features
- Easy Installation, Ultra-Compact size (only 15 cm dept).
- High-Current Class D digital amplifier
- Power: 500 W (Max), 250 W (RMS)
- Speaker Impedance: 0.40 Ohm
- Speaker Type: Fiberglass/paper cone, ferrite magnet
- Variable Gain Control, Low Pass Filter (50 Hz ~ 200 Hz), Variable Bass Boost (0 ~ 12dB), Phase Control (0° ~ 180°)
- Auto Power-ON (Rem, DC Offset, Auto)
- Remote control included
- Enclosure Housing Material: MDF
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Specification
| Speaker Impedance | 0.40 Ohm |
|---|---|
| Nominal Power Handling | 250 W |
| Peak Power (Max) | 500 W |
| Sensitivity | 88 dB |
What's Included
- 3.WB6
ESB Audio
About the ESB Audio 3.WB6
From our tech experts at CEN
An ESB Tremila Series 6.5 inch subwoofer, handling 250w RMS.
Who it suits
Drivers building a sound-quality system where the bass has to integrate with a capable front stage rather than dominate it. ESB is an Italian brand with a following among people who care more about how a system images than how loud it goes.
Our tech experts advise
Enclosure volume and tuning decide most of what you hear, and a driver like this deserves a box built to suit it rather than something off a shelf. We build enclosures at our Beeston workshop. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full ESB Audio range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all ESB Audio
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do I need an amplifier to run these speakers?
A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.
Q: What is the difference between coaxial and component speakers?
A: Coaxial speakers combine the tweeter and woofer in one unit for a simple like-for-like upgrade. Component sets separate the tweeter and woofer with a crossover for better imaging and detail, and suit installs where sound quality is the priority.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
