Hi-Fi Headphone Amplifier / Pre-Amp

Retails at $65 KGUSS DAC-K3 PRO USB DAC Headphone Amplifier Mini HiFi Optical/Coaxial/USB DAC Decoder Audio 24Bit 192KHz DA Converter ESS9018K2M Decoder Multifunctional Preamp Desktop Amplifier (Black) It is both"a headphone amplifier"and"a preamp" The DAC-K3 Pro is not only a professional headphone amplifier, but also a pre-stage. When used as a pre-stage,it can also play the same excellent performance. It can be widely used with power amplifiers or active speakers.This is a great choice for your first USB-DAC! High-performance Chips: TPA6120A2+LME49720AN+NE5532+ES9018K2M+SA9123L. TPA6120A2 is a high-fidelity audio power amplifier based on current feedback architecture.Its distortion far exceeds that of many op amps that only process small signals. The operation amplifier LME49720AN three sections are balanced and very thick,the dynamic and low frequency strength and quantity sense is very good, the sound field is broad,the high frequency to go is very smooth.The sound is pure and real. Wide Compatibility--Various Inputs Supported The unit supports PC-USB（Can also be connected to a cell phone）, fiber-optic, coaxial, and other digital audio inputs. In addition, it is widely compatible with Windows XP/W7/W8/W10/MAC/Linux, etc. Note: Depending on the PC, the driver may HPA/PRE automatic switching When the DAC-K3 PRO is not connected to any headphones, it automatically works in the preaplifier mode,and the amplified signal is output from the RCA on the back panel. When the headphone is connected to 6.35mm or 3.5mm output,DAC-K3 PRO automatically switches to the headphone amp mode,and the signal is only output to the 6.35mm and 3.5mm jack.

Condition

Open Box (never used)