Focal IBUS 20 - flat active subwoofer (20 cm / 8 inch / 150 Watts max. / 75 Watts RMS /
Focal IBus 2.1 reviews - LDLC customers comments and tests
Focal Integration IBus 20 compact powered subwoofer | Focal understands that it's not easy to get bass into every vehicle. They built the IBus 20 powered subwoofer to address this issue, so
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