FX-AUDIO DAC-X4: High quality headphone amplifier at a very affordable price

FX-Audio offers the DAC-X4 , a digital/analog converter with headphone amplifier at a very affordable price. It features a DAC01 conversion chip that can support PCM sampling rates up to 24-bit 192 kHz. It is coupled to the 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 simply find a stereo RCA and a 3.5mm jack for headphone output.

Characteristics 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 output Jack 3.5mm
• DAC chip: DAC01
• Headphone amplifier chip: MAX97220
• MCU: STM32
• Supported sampling 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: 100 dB @ 1 kHz, A-weighted/Headphone Out: 93 dB
• Dynamic Range: Line Out: 98 dB/Headphone Out: 90 dB
• Frequency response: 20Hz-20kHz
• Headphone output power: 2x150mW @ 32 Ohm
• Headphone output impedance: 16-250 ohms
• Supply voltage: 5VDC 1A (power supply included)
• Shell material: aluminum alloy
• Dimensions: 98 x 114 x 36 mm
• Weight: 250 g

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