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Features of TOPPING DX3 PRO Desktop Bluetooth Decoding Amp AK4493 USB DAC

There're 4 output modes of DX3 Pro: Headphone amp only, Headphone amp + Line out, DAC only, Pre-amplifier which covers a wide range of use cases.


DX3 Pro is uses XMOS XU208 + 2 x AK4493 + OPA1612 to support up to 32bit768kHz PCM decoding and DSD512 native decoding for USB input.

AK4118 is an excellent receiver with low jitter and good compatibility. DX3 Pro has 2 x Coaxial and 1 x Optical input which support up to 24bit192kHz PCM decoding. DX3 Pro also has BlueTooth input which supports SBC, ACC, APTX, APTX-II, APTX-HD protocol.

DX3 Pro also comes with a great headphone amplifier. The output power is up to 1000mW x 2@32ohm load or 125mW x 2@300ohm and works for almost all headphones.

In addition, the output impedance of it is lower than 0.1 ohm by design.

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Built-in 2*AK4493 chip,1*AK4118 chip.
Headphone amp output power: 1000mW*2@32Omega;125mW*2@300 Omega.
USB support: DSD64-DSD512(Native); DSD64-DSD256(DOP).
One year warranty.
USB IN :
44.1kHz-768kHz/16bit-32bit,
DSD64-DSD512(NATIVE)
DSD64-DSD256(DOP)
OPT/COAX IN : 44.1kHz-192kHz/16bit-24bit
BT IN : AAC/SBC/APTX/APTX-LL/APTX-HD.
Size:12*16.5*4cm
Weight:400g
DC power: DC15V/1A
Color: Black/Silver
Line out: RCA
HP output: 3.5mm

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