Fosi Audio Q5 DAC Amplifier ESS9018K2M USB Digital-to-Analog Converter Mini Stereo Preamplifier Dual-Output Headphone

Fosi Audio Q5 DAC Headphone Amplifier ESS9018K2M USB Digital-to-Analog Converter Mini Stereo Preamplifier Dual-Output Headphone Note: it needs driver when using with Windows 7, if you need it, please contact us. Features: [New Upgraded] Cancel the 6.35 to 3.5 adapter, Dual Headphone Output; upgrade the fiber base, optimize the circuit board design, redefine quality and sound. Mac/PC plug-n-play, no special software is needed, RCA and dual headphones outputs. USB and optical coaxial S/PDIF inputs, can choose the input mode. With the volume control knob that can adjust the headphones as well as the RCA output. Note: Dolby signal input is not supported! Hi-Fi headphone amp chips TPA6120, OPA2134; with headphones protect circuit for any 16-250Ohm headphones. Stream bit-perfect 24bit/192Hkz HD with low jitter, built-in Cirrus CM6642 + NE5532 + ESS9018K2M DAC chips, as desktop DAC, stereo headphone amp, and preamp. We offer 24-month worry-free warranty and friendly customer service. Highlight: Model: Q5 Headphone output power: 400MWatt @32 Oh Frequency response: 10Hz- 20Khz(+/- 0.5dB S/N ratio (DC to 20Khz): >110d THD+N: (1 KHz FS 96 kS/s)<0.002 Power requirement: 12V, 1A or more Headphone impedance: 16 ohms to 600 ohm Output power: 90mw / 600Ω, 180mw / 300Ω, 450mw / 100Ω, 610mw / 62Ω, 910mw / 32Ω, 1000mw / 16Ω Headphone amplifier: TPA6120A2 +NE5532 DAC Chip:  ESS9018K2M USB Chip: SA9123L OP AMP Chip: LME49720 Package Include: *1x Fosi Audio DAC-Q5 *1x PC-USB Cable *1x 12V Power Supply (Optional) *1x User's Manual