Fosi Audio GR40 Tube DAC Headphone Amp PreampMultifunctional DAC Preamplifier: The GR40 is a versatile tube DAC preamplifier and headphone amplifier in one, it supports Bluetooth USB Optical Coaxial inputs and active speakers 3. 5mm headphone output, with a priority mode for headphones. High Resolution Decoding: With the ESS9028Q2M DAC chip, the preamplifier offers superior audio quality and flexibility. The USB sampling rate supports 32Bit 384kHz and DSD256, making an effective noise reduction

and can drive up to 2 x 300 W into 4-Ω load at 10% THD and 2 x 150 W unclipped into 8-Ω load

minimalist design that saves space and provides robust resistance to electromagnetic interference

and high-power outputs capable of supporting the most demanding of headphones with impedance above 200Ω

5MM line in Output 3

Bluetooth 5

32V/5A power supply ×1

BOX X1-MM Phono Pream

desktop speakers

Power adapter for class d amplifier

5A Power Adapter x 1 User’s Manual x 1

Item Quantity Fosi Audio DAC-Q4 x 1 5V USB Power Supply Cable x 1 PC-USB Cable x 1 Optical Cable x 1 User’s Manual x 1

With up to 2100mW output power