Features:

• Simple use and classic design: Fosi audio K1 headphone amplifier is easy to set up, no special software, app, or driver to install, a true plug-and-play digital audio adapter.

• A mini headphone amp that features with Bluetooth/USB, optical and coaxial inputs to fit with most home audio system, and RCA output can be connected to amplifier or powered speakers on your desktop; Built-in Hi-Fi headphone amp chip can drive most 16ohm to 300ohm headphones.

• Adopting classic QCC3003 chip to get clear and clarity sound without any audible noise even at high output, supporting up to 192kHz/24bit Suitable for headphones ranging from 16 - 300 Ohms.

• Fosi Audio K1 , as a mini stereo gaming DAC ,with volume control can not only provides you excellent Hifi sound but also be used as preamp or volume controller for your PC/MAC/Computer.

• What you Get: Fosi Audio K1 Headphone amplifier x1, 3dBi Bluetooth Antenna x1, PC-USB Cable x1, Optical Cable x1, Micro USB power cable x1, User Manual x1, an 18-month worry-free warranty and friendly customer service.

Highlight:

Input Type: Bluetooth 5.0, USB, Optical, Coaxial Output Type: 3.5mm (1/8’’) Headphone Jack, RCA

Chipset: QCC3003+STM32070F6P6+MS8416+PCM5100+MAX97220

Bluetooth Sampling Rate: 16Bit/48kHz

USB Sampling Rate: 32Bit/96kHz

Optical/Coaxial Sampling Rate: 24Bit/192kHz

Headphone Impedance: 16-300Ω

Headphone Output Power: 300mw/32ohm 

RCA Output Level: 2V

THD: 0.001%

S/N: 110dB

Power Supply: 5V/1A

Dimensions (H*W*D): 94 x 71 x 23MM (3.70 x 2.79 x 0.90’’)

Net weight: 140g

Package Include:

K1 Headphone amplifier x1

User Manual x1

Type-C power cable x1

Optical cable x1

PC-USB cable x1