JBL GTO 4000 Amp & Alpine Type S 10 Subwoofer -

- JBL GTO 4000 Amp JBL GTO4000 600W Amp 4/3/2 Channel Amplifier 4 x 50w RMS or tri-mode: 2 x 50W RMS + 150W for sub 4 x 100W max or tri-mode: 2 x 100W + 300W for sub Variable cross-over. Variable Bass Boost Overload protection - Alpine Type S 10" Fitted in Box - Dimensions 350H x 370W x 285D