This ESS ES9039 MS Pro processor is a 32-bit hi-fi dual-channel DAC with built-in MQA compatibility, delivering outstanding performance for demanding audiophiles. With complete tuning, its THD+N reaches -125dB (unweighted). The headphone amp offers two settable gain levels: high and low. When set to elevated gain, the balanced interface increases by +20dB, while the unbalanced port increases by +14dB. Moreover, the output impedance is near 0Ω. The independent volume control lets you adjust the sound level easily for both headphones and line outputs, aiming to avoid hearing damage from excessive volume. The line output level is 2.5Vrms for RCA and 5.2Vrms for XLR. Flawless live sound, enabled by precise numerical accuracy, THD as low as 0.00005%(-125dB). Engineers’ persistent pursuit of innovation allows D40 Pro to faithfully reproduce richer sound details. All interfaces support the transmission of DSD files, handling hard decoding DSD512, and PCM supporting 32bit/768kHz. Through outstanding performance parameters, a true sound environment is achieved. Up to 2 different standard interface modes can be chosen in the I²S setting menu. You can pick the setting best appropriate for your signal source. This feature allows the I²S interface of D40 Pro to adapt to more signal sources. 12-month warranty, you can return the product or request a new one if you have any problems.





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