Yamaha A-U671 Stereo Amplifier with USB DAC Function DSD 5.6 MHz and PCM 384 kHz playback with high-grade USB DAC functionality Utilizes the ESS SABRE32 DAC (ES9010K2M) Five-way speaker binding posts (stereo) Analog audio input (stereo) and a single subwoofer output 70 W + 70 W (6 ohms, 1 kHz, 10% THD)