Headphone DAC Amplifier FX-AUDIO DAC-X4
FX-Audio offers the DAC-X4, a digital/analog converter with headphone amplifier, at a very affordable price. It uses a DAC01 conversion chip to support PCM sampling rates up to 24bit 192kHz. It is coupled to a MAX97220 headphone amplifier IC delivering 2x150mW of power into a 32Ω load.

FX-Audio offers the DAC-X4, a digital/analog converter with headphone amplifier, at a very affordable price. It uses a DAC01 conversion chip to support PCM sampling rates up to 24bit 192kHz. It is coupled to a MAX97220 headphone amplifier IC delivering 2x150mW of power into a 32Ω load.
In terms of connections, the DAC-X4 remains classic and efficient, with USB-B, optical Toslink, and coaxial inputs. In terms of outputs, we just find stereo RCA and a 3.5mm headphone jack.
Features of FX-AUDIO DAC-X4:
Product Type: DAC/Headphone Amplifier
Inputs: 1x USB-B/1x optical Toslink/1x coaxial
Outputs: 1x Stereo RCA/1x Headphone Jack 3.5mm
DAC Chip: DAC01
Headphone Amplifier Chip: MAX97220
MCU: STM32
Supported sample rates: USB: PCM up to 24bit 96kHz / Optical / Coaxial: PCM up to 24bit 192kHz
Line Out Level: 0.7Vrms @ 0dBFS
THD: Line out: 0.007% @ 1kHz, A-Weighting/Headphone out: 0.01%
SNR: Line out: 100dB @ 1kHz, A-weighted/headphone out: 93dB
Dynamic Range: Line Out: 98 dB / Headphone Out: 90 dB
Frequency response: 20Hz-20kHz
Headphone output power: 2x150mW @ 32 ohms
Headphone output impedance: 16-250 ohms
Supply voltage: 5VDC 1A (power supply included)
Body material: aluminum alloy
Dimensions: 98 x 114 x 36 mm
Weight: 250 g
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