car speaker, speaker, subwoofer speaker 1.subwoofer box for car 2.with remote control subwoofer box 3.with USB/SD/MMC slot Car Speaker, Speaker,car audio speakers, mini speaker, portable speaker, horn speaker, amplifier speaker, subwoofer speaker Model numberY-408 10"Y-408 12"Magnet Structure34 0Z*240 0ZPower Handing400W500WImpedance8 Ohm8 OhmSensitivity89dB±289dB±2Frequency Response35-2.5KHz35-2 ...