<p>The sound effect the machine, creating a shocking and good sound quality .</p> <p>Suitable for most of Android stytem Car Radio Stereo, conveinent intallation without breaking .</p> <p>Low distortion, 80w*4 max power output to improve the sound quality of your machine.</p> <p>HIFI level chip matching bring clear and pleasant high-quality music.</p> <p> aluminum casing with good heat dissipation and delicate metal touch.</p> <p>EQ sound effects adjustment support various sound effects such as \/rock\/classical music to satisfy your music enjoyment.</p> <p>Model: RY-125AB</p> <p>DC Input: 12V-18V 3A</p> <p>Jack Input: 1\/8inch(standard stereo jack)</p> <p>Sin Ration: 80dB</p> <p>Rated RMS Power: Less than 0.1% at 1KHZ</p> <p>Speaker Impedance: 4-8ohm</p> <p>Voltage: 12V</p> <p>Output power: 80w*4</p> <p>EQ Adjustment: support</p> <p>Sensitivity: 0.25mv-50mv</p> <p>Input Impedance: 47K</p> <p>Frequency Response: 20Hz-20KHz</p> <p>Due to different product batches, the appearance , which does not affect the use.</p> <p>Colour:Black</p> <p>Material:Metal+plastic</p> <p>Package Contents:</p> <p>1 x Amplifier box</p> <p>1 cord</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>