CA-103 CAR SPEAKER Tunnel design 12V 10''subwoofer+treble Product name: CAR SPEAKERProduct model: CA-1031. Specification:Voltage: 12VPower: 150WSNR: >89dbColor: black ... : Speaker, mini speaker, portable speaker, USB speaker, computer speaker, car speaker, speaker box 2. We can add USB/SD function and FM function on multimedia speaker,mp3 speaker, speaker system, speaker part, speaker ...