Focal ISUB Active Compact Under Seat Sub Amplified 8 Inch Car Subwoofer 130w RMS
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The Focal ISUB Active is a compact, amplified 8" bass-reflex under-seat subwoofer rated at 130 W RMS (260 W max), part of Focal's ISUB range. It is designed to add deep bass to an existing car audio system — including factory-fit head units — without using boot space.
This listing is the ISUB Active (amplified). The ISUB range is also available as the passive Focal ISUB Twin Sub 2x 100 W RMS.
Key specifications
- Driver size: 8" subwoofer
- Type: Bass-reflex amplified subwoofer
- Power: 130 W RMS / 260 W max
- Impedance: 4 ohm
- Frequency response (±3 dB): 45 Hz – 150 Hz
- High-pass crossover: Adjustable 20 Hz to 50 Hz
- Low-pass crossover: Adjustable 50 Hz to 180 Hz
- Motor: Ferrite
- Dimensions: 63 mm (H) x 328 mm (W) x 230 mm (D)
- Connection: Plug & Play ISO cables supplied
Focal ISUB ACTIVE overview
The ISUB Active fits under a seat and connects directly to your car radio's speaker outputs via the supplied Plug & Play ISO cable. It works with original factory radios as well as aftermarket head units, adding deep, powerful bass without sacrificing boot or cabin space.
Powerful bass
The integrated amplifier delivers 260 W maximum power through the 8" driver, with fully adjustable low-pass and high-pass crossovers so you can tune the bass to suit your existing speakers.
- Product type: Bass-reflex amplified subwoofer
- Loudspeakers: Subwoofer 8"
- Filter: Integrated
- Frequency response (±3 dB): 45 Hz – 150 Hz
- Maximum power: 260 W
- Motor: Ferrite
- Nominal impedance: 4 Ω
- Nominal power: 130 W RMS
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Specification
| Loudspeakers | Subwoofer: 8" |
|---|---|
| Filter | Integrated |
| Frequency response | (+/- 3dB) 45Hz - 150Hz |
| Maximum power | 260 watts |
| Motor | Ferrite |
| Nominal Impedance | 4 Ω |
| Nominal power | 130 W RMS |
| Height | 63 mm / 2.5 in |
| Width | 328 mm / 12.9 in |
| Depth | 230 mm / 9 in |
| Weight | 4.25 kg / 9.6 lb |
More specs
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What's Included
- Plug & Play ISO cables supplied : Yes
Focal
About the Focal ISUB Active
From our tech experts at CEN
A Focal active subwoofer with amplification built in, rated at 130w RMS, sized for an underseat or footwell location, so bass arrives from one unit rather than a separate sub, amp and box.
Who it suits
Drivers who want more low end without rebuilding the system or giving up the boot. Compact active units are the sensible answer where space is the binding constraint.
Our tech experts advise
It still needs a fused feed from the battery and a signal source, and level and crossover want setting against your existing speakers so it fills in underneath rather than announcing itself. 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.
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Have it Fitted By Our Team
Our team fits car audio, stereos, dash cams and vehicle security at our workshop in Beeston, Nottingham. Tell us your vehicle and we'll confirm the parts and a fitted price.
- 1
Tell us your vehicle
Make, model and year, and what you'd like fitted.
- 2
We confirm the parts
Fascia, wiring and interfaces checked for your car, with a fitted price.
- 3
Fitted at our workshop
Bring it to our Beeston workshop and we do the rest.
Unit 25 Technology Drive, Beeston, Nottingham NG9 1LA
Focal Car Audio
To combine the pleasure of driving with the love of sound, make sure your car is fitted with quality hi-fi equipment. Focal high-fidelity sound promises sensational musical emotions to enhance every journey.
Speaker Kits
With Focal's dedicated car speakers, take advantage of a wide choice of models to compose your own customized audio system, according to your vehicle and your desires. From the Focal discovery with the Universal range to the Utopia M excellence, listening in the car takes on a whole new dimension
Subwoofer
Choose one of Focal's subwoofers (passive, active, bass-reflex, ultra-flat...) and bring powerful, deep bass. Offering a variety of models in different formats, our range meets every installation need and is the ideal audio complement.
DSP & Amplifiers
To optimize the sound quality of your installation and enhance in-car listening, we offer a range of amplifiers and DSPs to match your loudspeakers. These Focal electronics let you experience the sensations of precise, controlled and stable sound.
Accessories & Cables
Discover Focal's range of amplifiers and cables for a complete solution. As a complement to your installation, amplifiers let you experience the sensations of precise, controlled sound, and cables answer questions linked to amplification and connections between components.
Focal Car Audio
Deliver exceptional sound clarity and precision for your vehicle
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Frequently Asked Questions
Q: Will the Focal ISUB ACTIVE work with my factory radio?
A: It is designed to complement original audio systems. It connects to the car radio's speaker outputs using the supplied Plug & Play ISO cables.
Q: Does the ISUB ACTIVE need a separate amplifier?
A: No. The ISUB ACTIVE has a built-in amplifier rated at 130 W RMS (260 W max) and an integrated, adjustable filter.
Q: How big is the Focal ISUB ACTIVE?
A: It measures 63 mm high, 328 mm wide and 230 mm deep, which allows it to be installed under a seat.
Q: Can CEN fit this subwoofer?
A: Yes. CEN offers professional installation from our Beeston, Nottingham workshop, including wiring to your existing stereo.
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