The ESS ES9039 MS Pro processor is a 32-bit high-fidelity stereo DAC with integrated MQA compatibility, delivering exceptional performance for demanding audiophiles. With complete tuning, its THD+N achieves -125dB (unweighted). The headphone amp offers dual adjustable gain levels: high and low. When set to elevated gain, the balanced interface increases by +20dB, while the unbalanced interface increases by +14dB. Additionally, the output impedance is close to 0Ω. The separate volume control lets you adjust the audio level freely for both headphones and line outputs, aiming to prevent hearing damage caused by excessive volume. The line output level is 2.5Vrms for RCA and 5.2Vrms for XLR. Perfect live sound, made possible by precise numerical accuracy, THD as low as 0.00005%(-125dB). Engineers’ persistent pursuit of innovation enables D40 Pro to faithfully reproduce more sound details. All interfaces support the playback of DSD files, handling hard decoding DSD512, and PCM supporting 32bit/768kHz. With excellent performance parameters, a real sound experience is established. Up to 2 different standard input modes can be chosen in the I²S setting menu. You can select the setting most suited for your output device. This function enables the I²S interface of D40 Pro to adapt to more signal sources. 12-month guarantee, you can send back the item or request a new one if you encounter any problems.





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