202433 Brand Tiaoping Model TP-006A Quantity 2 piece(s) Color Black Material Plastic Power Supply 12 V Power Consumption 500 Watt Interface 12V cable connecting Other Features Frequency response: 5Hz~20KHz， 105dB/W; Impedance: 4 ohm; subwoofer equipped with high pitch; There were single buzzer and double buzzer; Clear and fine sound. Packing List 2 x Speakers (50cm) 4 x Screws