TOPPING DX7s is a full balanced DAC & headphone amp with USB, Coaxial, Optical, AES input and Line Out, XLR, 6.35 headphone and balanced headphone output. Besides, DX7s also have a USB to Coaxial output, you can use it as a digital interface even DX7s is turned off.

DX7s use XMOS(XU208) + 2 x ES9038Q2M + 4 x OPA1612 for DAC, in addition, DX7s use customized drivers(Win 7 or above) from Thesycon, all these factors makes DX7s support 32bit/768kHz and DSD512(Native). You can see the detail info from the 2.23 inch OLED screen while DX7s is working. DX7s use 2 x TPA6120 for balanced headphone amp, providing maximum1000mW x 2@32ohm load.

Specification

Input:USB/OPT/AES/COAX

Digital output:COAX

Line out:XLR/RCA

Headphone output:6.35mm,Balanced headphone

 Size:25.0cm x 20.5cm x 5.0cm

Weight:3.05Kg

THD+N

<0.005% @ 1kHz Output=345mW(32Ω)

<0.007% @ 20-20kHz Output=345mW (32Ω)

<0.0008% @ 1kHz Output=78mW(300Ω)

<0.0008% @ 20-20kHz Output=78mW(300Ω)

SNR:>121dB @ 1kHz

Frequency Response:20Hz-20kHz(±0.35dB)

OutPut Level:

13.3Vpp @ 32Ω

18.7Vpp @ 300Ω 

Noise:<5.2uVrms

Crosstalk:-124dB @1kHz

Channel Balance:0.3 dB

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