B00N625HZ2 YAMAHA A-S801BL Natural Sound Integrated Stereo Amplifier (Black)

100 W + 100 W (20 Hz 20 kHz, 0.019% THD)
USB DAC function: DSD (2.8 MHz / 5.6 MHz), PCM (384 kHz / 32 bit), WAV / FLAC
Gold plated digital coax input/TOSLINK optical input.Frequency response 10 Hz 100 kHz +/ 1.0 dB
Gold plated analog inputs including Phono
Speakers A, B, A+B and custom made power transformer / 12,000 ?F block capacitors / extruded aluminum heat sinks