YULONG D100 D-100 DAC & Headphone AMP amplifier 2010NEWD100 Technical Specifications: •Inputs: Optical, Coaxial, USB, AES/EBU •Input digital signal format: 32-192 KHz, 16/24 Bit auto detection. USB supports up to 24Bit 96KHz •SNR: >120dB. •Dynamic Range: 115dB. •THD+N: <0.0005% at 1KHZ •Frequency response: 20-20KHz-0.16dB. •Power consumption: <20W. •Headphone output power: 130mW at 300Ohm, and 900mW at 32Ohm Chassis to connect AC ground test