Focal is introducing two new subwoofers into its Focal Inside collection to complete and enhance your in-car audio system: ISUB ACTIVE and ISUB ACTIVE 2.1. With their powerful and dynamic bass, these ultra-compact subwoofers truly enhance the on-board sound experience. Connecting to the original car radio via the cables supplied, these products take full advantage of Focal’s knowledge of acoustics to provide high-quality sound. ISUB Active 2.1 also incorporates a 2-channel amplifier to also amplify the front channels. Combining the joy of driving with that of listening POWERFUL BASS Self-powered subwoofer ISUB ACTIVE is the perfect way to complete any factory audio system by adding powerful (260W) and dynamic bass. It connects to the HP outputs of the car radio through the Plug & Play cable supplied to genuinely enhance the sound experience without taking up any space in the cabin or boot. Measuring 21/2” (6.3cm) high, it slides easily underneath a seat, even a tight-fitting one. Thanks to the available settings, you can customise the sound reproduction. A wired remote control is also included for users to adjust the bass level as desired. Key points Focal expertise Ready to use (ISO Plug & Play cable supplied) Compact product, discreet integration Easy to use Various settings options (adjustable incoming signal, adjustable amplifier crossover, volume boost, etc.) Robust design *Check the available space before the installation.
Focal is introducing two new subwoofers into its Focal Inside collection to complete and enhance your in-car audio system: ISUB ACTIVE and ISUB ACTIVE 2.1. With their powerful and dynamic bass, these ultra-compact subwoofers truly enhance the on-board sound experience. Connecting to the original car radio via the cables supplied, these products take full advantage of Focal’s knowledge of acoustics to provide high-quality sound. ISUB Active 2.1 also incorporates a 2-channel amplifier to also amplify the front channels. Combining the joy of driving with that of listening POWERFUL BASS Self-powered subwoofer ISUB ACTIVE is the perfect way to complete any factory audio system by adding powerful (260W) and dynamic bass. It connects to the HP outputs of the car radio through the Plug & Play cable supplied to genuinely enhance the sound experience without taking up any space in the cabin or boot. Measuring 21/2” (6.3cm) high, it slides easily underneath a seat, even a tight-fitting one. Thanks to the available settings, you can customise the sound reproduction. A wired remote control is also included for users to adjust the bass level as desired. Key points Focal expertise Ready to use (ISO Plug & Play cable supplied) Compact product, discreet integration Easy to use Various settings options (adjustable incoming signal, adjustable amplifier crossover, volume boost, etc.) Robust design *Check the available space before the installation.
There are no live offers for Focal ISUB Active Underseat 8" Powered Subwoofer right now. The all-time low we recorded was $459.58 on 21 Mar 2026. Set a price alert to hear when it's back in stock.
Prices last updated 7 Sept 2026.
Focal ISUB Active Underseat 8" Powered Subwoofer
Focal is introducing two new subwoofers into its Focal Inside collection to complete and enhance your in-car audio system: ISUB ACTIVE and ISUB ACTIVE 2.1. With their powerful and dynamic bass, these ultra-compact subwoofers truly enhance the on-board sound experience. Connecting to the original car radio via the cables supplied, these products take full advantage of Focal’s knowledge of acoustics to provide high-quality sound. ISUB Active 2.1 also incorporates a 2-channel amplifier to also amplify the front channels. Combining the joy of driving with that of listening POWERFUL BASS Self-powered subwoofer ISUB ACTIVE is the perfect way to complete any factory audio system by adding powerful (260W) and dynamic bass. It connects to the HP outputs of the car radio through the Plug & Play cable supplied to genuinely enhance the sound experience without taking up any space in the cabin or boot. Measuring 21/2” (6.3cm) high, it slides easily underneath a seat, even a tight-fitting one. Thanks to the available settings, you can customise the sound reproduction. A wired remote control is also included for users to adjust the bass level as desired. Key points Focal expertise Ready to use (ISO Plug & Play cable supplied) Compact product, discreet integration Easy to use Various settings options (adjustable incoming signal, adjustable amplifier crossover, volume boost, etc.) Robust design *Check the available space before the installation.
Focal is introducing two new subwoofers into its Focal Inside collection to complete and enhance your in-car audio system: ISUB ACTIVE and ISUB ACTIVE 2.1. With their powerful and dynamic bass, these ultra-compact subwoofers truly enhance the on-board sound experience. Connecting to the original car radio via the cables supplied, these products take full advantage of Focal’s knowledge of acoustics to provide high-quality sound. ISUB Active 2.1 also incorporates a 2-channel amplifier to also amplify the front channels. Combining the joy of driving with that of listening POWERFUL BASS Self-powered subwoofer ISUB ACTIVE is the perfect way to complete any factory audio system by adding powerful (260W) and dynamic bass. It connects to the HP outputs of the car radio through the Plug & Play cable supplied to genuinely enhance the sound experience without taking up any space in the cabin or boot. Measuring 21/2” (6.3cm) high, it slides easily underneath a seat, even a tight-fitting one. Thanks to the available settings, you can customise the sound reproduction. A wired remote control is also included for users to adjust the bass level as desired. Key points Focal expertise Ready to use (ISO Plug & Play cable supplied) Compact product, discreet integration Easy to use Various settings options (adjustable incoming signal, adjustable amplifier crossover, volume boost, etc.) Robust design *Check the available space before the installation.
Last updated at 09/07/2026 09:55:59
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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
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