Pro-Ject Hi-Fi Stereo Amplifier (MaiA (silver))<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>37 watts per Channel (at 4 ohms) and capable of driving speaker loads as low as 2 ohms</li><li>Dual-mono design and low-noise smd circuitry for superior Channel separation and shortest possible signal path</li><li>24bit/192Khz XMOS asynchronous USB D/a converter</li><li>Inputs: (1) phono RCA， (3) line-level RCA， (2) Toslink optical， (1) S/PDIF coaxial RCA， (1) Bluetooth (aptX)， (1) USB Audio</li><li>Quality motor-driven potentiometer for variable volume control of headphone， subwoofer， and second-zone amplifier outputs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31q9eKY6gqL.jpg" noproxy>