Audirect ATOM4 is an innovative compact digital-to-analog converter that offers exceptional performance and user-friendly features. It incorporates the advanced ESS9281AC PRO chip along with dual RT6863C operational amplifiers, delivering impressive output power. With support for PCM up to 32 bit / 768 kHz, the ATOM4 ensures precise and high-fidelity audio reproduction.
The device features two headphone outputs, one 3.5 mm and the other 4.4 mm, enabling the use of both standard and balanced connections. This versatility makes it suitable for a wide range of headphones and professional audio equipment.
Significant emphasis has been placed on the power separation within the unit, ensuring that digital and analog circuits function independently. This design minimizes interference and enhances signal stability.
Weighing just 19 grams and housed in a robust metal casing, the ATOM4 is an excellent option for portable use. Its compact design, paired with a sleek aesthetic, underscores its practicality.
With USB-C compatibility, the device can be easily connected to smartphones, tablets, and computers without the need for additional drivers. The plug-and-play feature allows for immediate and effortless playback of high-quality audio.
Audirect ATOM4 specifications:
- DAC: ESS9281AC PRO
- Operational amplifiers: RT6863C x 2
- Audio input: USB-C
- Audio outputs: 3.5mm / 4.4mm (balanced)
- Frequency response: up to 40 kHz (< ±0.08 dB)
- First stage amplifier: RT6863 (2 pcs.)
- Second stage of amplification: switchable amplifier
- 4.4mm output: balanced, up to 4.2V RMS
- 3.5mm output: up to 2V RMS
- Output power (32 Ohm): ≥137 mW (balanced) / ≥126 mW (SE)
- Output power (600 Ohm): ≥29 mW (balanced) / ≥7 mW (SE)
- Signal to noise ratio: -119 dB
- Harmonic distortion (THD+N): 0.0004%
- Sampling frequency: up to 32 bit / 768 kHz
- DSD support: up to DSD512
- Weight: 19 g
- Battery: none
Price : $60
