inputs.text: response dgavey - aforehementioned review reflection consumer ignorance not manufacturers product product fine connections appropriate product passive subwoofer meaning need external amplifier power \\rca\\ plugs go stereo head unit external amplifier amplifier interfaces bazooka tube standard speaker wire terminated banana plugs wishsoldiering banana terminators composite rca terminated wire ruin wire make worlds quietest subwooferplease car stereo installation not everyone facilities specialize better yet use google educate spending penny upgrading stereo save time heard space consume sound not 5 star close