Radio SpeakersSpeaker Specifications: Working voltage: 10-16V DC Sound pressure: 88dB Distortion: <=5% Rated power input: 15W Max power input: 30W *Connection: 2 wires Frequency: 165Hz Effective frequency range: Fo-12Khz Diameter x depth: 6.3 x 4.3cm (2.5 x 1.7) Color: black and silver Hook your iPod or other MP3 player, radio, listen to your own music!Description: FM Band: Color: black Scope:87.