If you are seeking for an audio amplifier board, this TDA7492P Bluetooth CSR4.0 Audio Receiver Digital Amplifier Board would be a best choice! It adopts top-grade components to ensure sound in high quality, and is of high conversion efficiency to keep high definition. Also, it is of low fever and multiple protective designs, including over-current protection, over-heat protection and short circuit protection. Considering all these features, it must be a wise choice for you! Don&acute;t miss the chance!<!--Features --><p>FEATURES</p><ul><li> There are three more keys switch, audio input and audio output</li><li> Mini size for space-saving</li><li> High conversion efficiency to keep sound in high quality</li><li> High S/N ratio to keep sound clean</li><li> Low fever and low power consumption</li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Power</td><td width="365"> 2.1 Interface 12-24V DC</td></tr><tr><td width="131"> Audio Input</td><td width="365"> Stereo Input Various Versions of the Bluetooth Connection, Using CSR8635</td></tr><tr><td width="131"> Bluetooth Chip</td><td width="365"> Bluetooth V4.0</td></tr><tr><td width="131"> Output Impedance</td><td width="365"> 8 ┯ Best(4,6,8，16┯ Impedance Can Drive Speakers)</td></tr><tr><td width="131"> Output Power</td><td width="365"> Add Pre-5532 Output Foot</td></tr><tr><td width="131"> Material</td><td width="365"> Metal</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (1.57 x 0.87 x 0.39)" / (4 x 2.2 x 1)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 1.41oz / 40g</td></tr><tr><td width="131"> Color</td><td width="365"> Red </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x TDA7492P Bluetooth CSR4.0 Audio Receiver Digital Amplifier Board </li></ul><!--Extra Info --><!--produts_compatibility -->