All-in-One DAC & Headphone Amplifier

The DX1 II is a versatile DAC and headphone amplifier combo that connects via a single USB-C cable to your computer or tablet. It delivers studio-grade sound for music listening and competitive gaming alike. With both 3.5mm single-ended and 4.4mm balanced outputs, plus support for TRRS headsets with microphone, the DX1 II transforms any desktop into a high-performance audio hub.

Ten-Band High-Precision PEQ – Tailor Every Frequency

Built around a powerful DSP engine, the DX1 II supports up to 10 fully customizable bands of parametric EQ. Using the TOPPING Tune software, you can precisely adjust frequency, gain, and Q factor, with independent left/right channel control. Import target curves, generate compensation, and save up to 3 profiles for quick switching. The TOPPING Home Web platform further simplifies tuning with a drag-and-drop visual PEQ interface, letting you apply community-shared EQ files with one click. Whether you are tuning footsteps for FPS games or smoothing room modes for speakers, the DX1 II gives you surgical control over your sound.

Flagship ES9039Q2M DAC with Ultra-Low Distortion

At the core of the DX1 II lies ESS’s new-generation ES9039Q2M DAC chip, delivering a dynamic range of 128dB and THD+N as low as <0.00007%. Combined with a four-channel fully balanced architecture from DAC to output stage, the DX1 II achieves exceptional channel crosstalk of -140dB (balanced output) and a signal-to-noise ratio of 128dB. Every detail, from the faintest reverb to explosive game effects, is reproduced with clarity and precision.

Powerful Balanced Output for Demanding Headphones

Powered solely by a USB-C connection, the DX1 II delivers robust power through its 4.4mm balanced output, easily driving high-impedance headphones and planar magnetics. The 3.5mm single-ended output is equally capable for everyday earphones. Two gain settings and an ultra-low noise floor of just 0.9µVrms (3.5mm, Low gain) ensure a dead-silent background even with the most sensitive IEMs.

Crystal-Clear Communication with Microphone Support

The DX1 II features a 3.5mm TRRS jack that supports standard headphones and gaming headsets with an inline microphone. You can make voice calls, chat in games, or record audio while enjoying high-fidelity playback – all through a single headset. The microphone input supports up to 192kHz/24-bit, ensuring your voice comes through clearly without sacrificing game audio quality.

Versatile Connectivity – Optical I/O, RCA & 4.4mm Line Out

Beyond USB input, the DX1 II is equipped with independent optical input and output, supporting PCM up to 24-bit/192kHz and DSD64 (DoP) via optical. Connect your CD player, TV, or game console, apply 10-band PEQ processing, and send the signal to a traditional DAC or active speakers. The RCA single-ended line output and 4.4mm balanced line output allow the DX1 II to function as a preamp, giving you flexible system integration.

Seamless Compatibility with Switch, PS5 and More

The USB input supports both UAC 1.0 and UAC 2.0 modes. Switch to UAC 1.0 for plug-and-play compatibility with Nintendo Switch and PlayStation consoles, making the DX1 II a perfect companion for both gaming and music on these platforms. On Windows, the custom Thesycon USB driver enables high-resolution playback, while macOS works driver-free. The included infrared remote control offers effortless volume and playback management without pairing delays.

Compact All-in-One Design with Real-Time Display

The DX1 II features a built-in display that shows volume, input, gain, and PEQ profile status at a glance. Its CNC-machined aluminum chassis houses a patented discrete low-noise reference power supply, providing clean, independent power to the DAC and analog stages. All this comes in a desktop-friendly footprint, powered entirely through a single USB-C cable – no external adapter needed.

Technical Details

Product Name
TOPPING DX1 II DAC & Headphone Amplifier
DAC Chip
ESS ES9039Q2M
USB Controller
XMOS XU316
PCM Support
Up to 32-bit / 384kHz
DSD Support
DSD256 (DoP)
Headphone Output (Balanced)
1000mW × 2 @ 32Ω (THD+N <1%)
Headphone Output (Single-ended)
800mW × 2 @ 16Ω (THD+N <1%)
Noise Floor (3.5mm, Low gain)
<0.9µVrms
THD+N (DAC line out, balanced)
<0.00007%
SNR (DAC line out, balanced)
128dB
EQ
10-band high-precision PEQ (TOPPING Tune)
Microphone Input
3.5mm TRRS
UAC Modes
UAC 1.0 & 2.0 (switchable)
Optical I/O
PCM up to 24-bit/192kHz, DSD64 (DoP)
Power Input
USB-C (5V)
Note
Specifications measured by TOPPING lab under DC 5V power supply.
Inside the Box
  • TOPPING DX1 II Unit ×1
  • USB-C Cable ×1
  • Infrared Remote Control ×1

30-Day Return Policy

You may return any non-customized product that is still factory sealed, within 30 days upon receiving it. For items that are damaged, incorrect, or faulty upon delivery, Linsoul will assess the issue and provide a solution accordingly.

1 Year Warranty

The TOPPING DX1 II Comes with a 1 year warranty on the AMP & DAC only. Warranty doesn't apply to the included accessories.

Processing Time

This product is currently in its pre‑order period. Pre‑orders apply to items not yet in stock, and shipping will begin once they arrive. Processing times are estimates only.

Pre-order Period:

  • No ETA , shipped out sequentially. Check with us.

Note:

  • No cancellation of orders once ordered.
  • All orders to be shipped out sequentially.

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