6 inch car audio subwoofer box 1.with strong power and embedded amplifier 2. ... /SD,MP3 3.USB/SD slot optional 6 inch cube car audio subwoofer box 6” subwoofer for cars,truck and motors: Brand ... cigarette-plug power input.a good partner for car,motorcycle and electric motor car.bring more fun for your outdoor journey and ... colorful flashing led,makes you cool enough. 6 inch thin car audio subwoofer box