PPB1 ParaPunch Bass EQ Pedal - Professional Bass Equalizer for Guitar Effects - Perfect for Live Performances & Studio Recording

American Bass XR 15" 1500W Car Subwoofer with 4 Ohm Impedance - Powerful Bass for Car Audio Systems, Home Theater & Music Enthusiasts

Gladen Amplifier Remote Bass Knob - Car Audio Bass Control for Subwoofer - Perfect for Car Audio Systems, Bass Adjustment on the Go