Mens / Womens Shavers. Focal ISUB ACTIVE Flat Active Subwoofer Enclosure Amplified Under Seat Bass. Amplified Subwoofer 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. Ready to use (ISO Plug & Play cable supplied). Compact product, discreet integration. Various settings options adjustable incoming signal, adjustable amplifier crossover, volume boost, etc. Type 8 ultra-compact amplified subwoofer. Frequency response 45Hz – 150Hz. Subwoofer phase 0 or 180°. Dimensions (L x W x H) 127/8 x 91/16 x 21/2 (328 x 230 x 63 mm). Weight 9.6lbs (4.25kg).