Fiio k7 dac amp

General specifications Name / Model No. K7 Hardware solution DAC: AK4493S*2 , USB: XMOS XUF208 , Voume IC：NJU72315 * 2, AMP：THX AAA 788+ * 2 Color Black Volume Scroll Potentiometer+ADC Sampling Weight Dimension ≈610g ≈120x168x55mm Firmware upgrade XMOS can be upgraded via USB Gain L/H Recommended headphone impedance 16~300Ω FiiO Control Unsupported Maximum supported sampling rate PCM 384kHz-32bit/DSD256（USB DAC） PCM 192kHz-24bit（COAX） PCM 96KHz-24bit（OPT） Sampling rate indication Blue：44.1KHz/48KHz Yellow：88.2/96/176.4/192/352.8/384KHz Green：DSD64/128/256 Buttons and interfaces Buttons input button*1+gain switch*1+output switch*1 USB USB-B（data） LINE IN RCA sockets LINE OUT RCA sockets OPT IN TOSLINK COAX IN RCA sockets BAL PO Standard 4.4mm port SE PO Standard 6.35 mm port Power parameters Power supply DC 12V/2A