Fosi Audio

Fosi Audio K7

Chipset: XMOS XU208 + AKM4493SEQ + QCC3031 + TPA6120 Maximum Sampling Rate:

• USB: PCM 384kHz/32bit, DSD256

• Optical: PCM 24bit/192kHz

• Coaxial: PCM 24bit/192kHz

• Bluetooth: PCM 24bit/48kHz

Headphone Impedance: 16-300Ω Input: Coaxial, Optical, USB-C, Bluetooth, 3.5mm Microphone Output: RCA, 3.5mm Single-Ended, 4.4mm Balanced Firmware Upgrade: XMOS firmware can be updated via the Type-C interface

Bluetooth Version: 5.0 Bluetooth Connection Distance: ≤13m Bluetooth Transmission Audio Format: SBC, AAC, aptX, aptX HD, aptX LL

Input Voltage and Current: DC 12V 2A USB Compatible Devices:

• Windows 7, 8, 8.1, 10, 11 (Driver required)

• Mac OS X, Linux (No driver required)

Audio Parameters

4.4mm Balanced Headphone Output

Rated Power Output: L+R ≥ 2100mW + 2100mW (32Ω / THD+N < 1%) SNR: 121dB THD+N: <0.0002% Dynamic Range: 121dB Noise Floor: ≤ 6.5μV

3.5mm Single-Ended Headphone Output

Rated Power Output: L+R ≥ 600mW + 600mW (32Ω / THD+N < 1%) SNR: 122dB THD+N: 0.0005% Dynamic Range: 121dB Noise Floor: ≤ 2.5μV Frequency Response: 20Hz-20kHz (±0.1dB)

RCA Output

Output Level: ≥2Vrms SNR: 122dB THD+N: 0.0005% Dynamic Range: 121dB Noise Floor: ≤ 3μV Frequency Response: 20Hz-20kHz (±0.1dB)