CA-101 CAR SUBWOOFER Tunnel design 12V 6''subwoof+treble With USB and MP3 format Product name: CAR SUBWOOFERProduct model: CA-6031. Specification:Voltage ... .1 speaker, stage speaker, DJ speaker, speaker cone 4. Our subwoofer speaker,2.0 speaker, speaker cabinet, laptop speaker, amplifier speaker ... speakers, SD speaker about 50000 pcs per month. CA-603 CAR SUBWOOFER