XINY Digital Power Amplifier Board 220W Stereo With USB Sound Card / DAC<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Using CM108 USB decoder output I2S to digital amplifier chip STA333W， the whole process for all digital transmission and amplification， the middle without op amp， no coupling capacitor， the real high fidelity， high signal to noise ratio. </span></li><li><span class="a-list-item"> Support 44.1KHz CD quality and 48KHz DVD sound quality， in the case of 18V DC power supply can output 2 * 20W power， the actual test can drive 10-inch floor sound is no problem. DIY computer multimedia high quality is the best choice. </span></li><li><span class="a-list-item"> Note: This amplifier is a pure digital power amplifier board does not support analog audio signal input， only supports computer USB digital audio input， easy to use， USB connected to the computer， the latest driver can be installed on the CM108 can work， the general computer comes with drive， Plug and play (if not driven， need to download and install). </span></li><li><span class="a-list-item"> Supply voltage: DC DC5-18V (recommended to power 16V or 18V 2A power supply). </span></li><li><span class="a-list-item"> Output power: 2 * 20W stereo. Audio input and output: support headphone output， MIC input. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41sa2G1-MKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41uKP6weEiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BkDg1zTQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XHazTvQtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41KVMUCu0UL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IajFe%2BxWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41e2uHliavL.jpg" noproxy>