Topping DX1 – DAC Headphone Amplifier AK4493S XMOS XU208 32bit 384kHz DSD256
| Product type | DAC and headphone amplifier |
| DAC chip | AKM AK4493S |
| Input | 1x USB-B |
| Outputs | 1x Stereo RCA line out (fixed volume) 1x Jack 3.5mm headphone output 1x Jack 6.35mm headphone output |
| Supported sampling rates | PCM up to 32bit 384kHz Native DSD up to DSD256 DSD DoP up to DSD128 |
| DAC PARAMETERS (USB INPUT @ 44.1KHZ) | |
|---|---|
| THD+N @ 1kHz, A-Weighted | < 0.0002% |
| THD @ 20Hz-20kHz, 90kBw | < 0.0006% |
| SNR @ 1kHz, A-Weighted | 120dB |
| Dynamic range @ 1kHz, A-Weighted | 120dB |
| Frequency repsonse | 20Hz – 20kHz (±0.3dB) 20Hz – 40kHz (±0.7dB) |
| Output level | 2.0Vrms @ 0dBFS |
| Crosstalk @ 1kHz | -112dB |
| Channel balance | 0.3dB |
| Output impedance | 22Ω |






