First dual balanced amplifier with a frequency response of 0Hz ~ 50 KHz and 120dB stereo separation. With high performance (122 dB SNR) analogue output, this headphone amplifier allows you to hear every drumbeat and breath. Supports Flac, APE, WAV, ALAC, APPLE LOSSLESS, DSF, DSDIFF and other Hi-Res audio files including PCM 24-Bit/192kHz, native DSD64/128. The HIDIZS DH1000 provides enough power to drive headphones from 8 to 600Ω impedance. Perfectly compatible with iPhone, Android Phones, iPad, PC, MAC and most DAPs