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The Aiyima D07 is a DAC based on AKM AK4493SEQ architecture combined with a third-generation XMOS XU316 interface, designed to handle high-resolution audio streams up to 32bit 768kHz and DSD512. This hardware combination utilizes the Velvet Sound architecture to linearize playback while reducing background noise, thereby preserving harmonic richness and the coherence of micro-details in high-density audio files.
Designed for integration into a HI-FI system or computer environment, it combines USB, optical, and coaxial inputs with a dual RCA output, allowing it to adapt to various sources while maintaining a consistent signal level. This approach is complemented by switchable DAC or DAC with preamplification modes and multi-OS compatibility, making it easy to integrate into a variety of systems without any installation constraints.
The Aiyima D07 is powered by the AKM AK4493SEQ chip, which features Velvet Sound technology for a warm sound, rich music, and a natural listening experience.
It features a third-generation XMOS XU316 processor that supports high-resolution audio streams up to PCM 32bit 768 kHz and DSD512, ensuring full compatibility with even the most demanding audio files.


Based on the design of the A07 MAX series, the D07 is designed to be compact and ideal for stacking, thanks to its CNC-machined chassis, which provides enhanced protection against electromagnetic interference.
In addition, the interior is designed to allow for easy replacement of the DIP8 operational amplifier chips, enabling users to customize their listening experience. The D07 comes equipped with a NE5532P operational amplifier as standard.
To accommodate a wide variety of inputs, the D07 features three inputs—USB, optical, and coaxial supporting most audio sources. A button allows you to easily switch between three audio source modes, while a button on the back lets you toggle between DAC mode and DAC + Preamplifier mode.
The device is primarily designed to work with as many systems as possible, as it is compatible with operating systems such as Windows, Mac, and Linux. The USB port allows you to switch between UAC 1.0 and 2.0. UAC 1.0 mode ensures compatibility with game consoles.


| 1 | DSD audio format indicator |
| 2 | UAC 1.0 mode indicator |
| 3 | Input indicator |
| 4 | Volume knob |
| 5 | Output channel switch |
| 6 | UAC 1.0 / 2.0 switch |
| 7 | Bypass |
| 8 | RCA Output 1 |
| 9 | RCA Output 2 |
| 10 | Coaxial input |
| 11 | Optical input |
| 12 | USB / Power input |
Technical characteristics
| Specifications | |
|---|---|
| Product type | DAC |
| DAC chip | AKM AK4493SEQ |
| USB interface | XMOS XU316 |
| AOP | NE5532P |
| Inputs | 1x USB-C 1x Toslink Optical 1x Coaxial |
| Outputs | 2x RCA |
| Supported sampling rates | USB : PCM 32bits 768kHz, DSD512 (DOP256) Optical/Coaxial : PCM 24bits 192kHz |
| OS Compatibility | Windows 10/11, macOS, Linux |
| RCA Output Level | 2.0 Vrms |
| SNR | ≥ 118dB |
| THD+N | 0.0002% |
| Frequency response | 20Hz-20kHz (±0.2dB) |
| Noise level | 2.3µVrms |
| General | |
|---|---|
| Power supply | DC 5V via USB-C |
| Dimensions | 130x100x30mm |
| Weight | 400g |
| Package | 1x Aiyima D07 |

| Input | SPDIF |
| Input | USB |
| Input | Optical |
| Output | RCA |
| DAC / ADC Chip | AK4493SEQ |
| Max sampling rate | DSD512 |
| Max sampling rate | 768kHz |
| Color | Gray |
| Networking | No |
| Remote Control | No |