Fosi Audio K5 ProvsTopping DX3 Pro+
A detailed side-by-side comparison of the Fosi Audio K5 Pro and Topping DX3 Pro+ — two popular dacs in the Chinese HiFi space.
Specifications
Spec
Fosi Audio K5 Pro
Topping DX3 Pro+
Chipset
Texas Instruments NE5532 (Op-Amp)
ESS ES9038Q2M
Inputs
USB-C, Optical, Coaxial, 3.5mm Mic In
USB, Optical x2, Coaxial, Bluetooth 5.1 (LDAC)
Outputs
6.35mm Headphone, RCA Line Out
RCA, 3.5mm Headphone
Features
Microphone Input, Tone Controls, PS5 Compatible
NFCA Amplifier, Auto-Standby, Gain Settings (+6dB/+19dB)
Remote Control
✗
✓
Tube Stage
✗
✗
Headphone Amp
✓
✓
Price (estimated)
Price
~$54
~$199
Difference
~$145.00 cheaper (Fosi Audio K5 Pro)
Things to Know
Fosi Audio K5 Pro
- ⚠Microphone input has no gain control; volume depends entirely on the OS/Console settings.
- ⚠The internal DAC is limited to 24-bit/96kHz, which is lower than most audiophile competitors.
- ⚠Tone controls can introduce distortion if cranked to maximum.
Topping DX3 Pro+
- ⚠No balanced headphone output (3.5mm single-ended only).
- ⚠The plastic volume knob feels less premium than the rest of the metal chassis.
- ⚠Some users find the 'auto-on/off' sensitivity too aggressive, waking up the unit randomly.
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