Focal ISUB Active 2.1 Compact Underseat Car Subwoofer with 2 Channel Amplifier ISUB ACTIVE 2.1 AMPLIFIED SUBWOOFER WITH 2 CHANNEL AMP AMPLIFIED SUBWOOFER 2-CHANNEL AMPLIFIER The ISUB ACTIVE 2.1 subwoofer is the perfect way to complete any factory audio system by bringing powerful (260W) and dynamic bass as well as amplifying the vehicle’s front channels (2.1).
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