SABAJ Audio D1 portable headphone amplifier with build-in DAC Black color

Sabaj D1 portable headphone amplifier with build-in dac.3.5mm headphone jack output.D1 also get Optical output can be as a digital convertor. Easy to use ,no need build-in battery.Decoding for PC and phone fastly and directly.Note:when connect with phone,please prepare one piece OTG cable.NOT fit all of android phone. Specification: Dynamic range:97db SNR:97dB channel separation:90dB THD+N:0.009% USB and optical sampling rate:32/44.1/48(kHz) USB bit depth:16bit Optical bit depth:16bit Headphone amp Chip:MAX97220A Machine size:68*40*10.2mm product weight:37g accessary:one piece USB cable headphone output:32ohm/55mW 64ohm/28mW 150ohm/15mW