Discrete DAC Implementation with Dual Op-Amps

Equipped with the ESS9281AC PRO decoding chip and dual RT6863C high-current operational amplifiers, the ATOM4 delivers exceptional output power. It supports PCM decoding up to 32-bit/768kHz, ensuring a pristine Hi-Fi audio experience with unparalleled clarity and precision.

Dual Headphone Outputs: 3.5mm and 4.4mm

The ATOM4 features both 3.5mm single-ended and 4.4mm balanced outputs, providing versatile compatibility with a wide range of headphones and professional audio equipment. This design caters to diverse listening preferences and expands usability.

Optimized Power Domain Separation

The device's circuit board is meticulously engineered with discrete analog and digital power domains. With dedicated optimization of the DAC, signal, and power layers, it achieves uncompromising audio performance and precision.

Compact, Portable Design

Weighing only 19g and constructed with a durable metal exterior, the ATOM4 is ultra-portable and robust. Its minimalist design makes it the perfect companion for audiophiles on the go.

USB-C Plug-and-Play Convenience

The ATOM4 is compatible with most USB-C devices, including smartphones, tablets, and computers. Its plug-and-play functionality ensures seamless, high-quality audio playback without the need for additional drivers.

Technical Details

Model
ATOM4
DAC Chip
ESS9281AC PRO
Op-Amps
RT6863C × 2
Audio Input
USB-C
Audio Outputs
3.5mm Single-Ended, 4.4mm Balanced
Frequency Response
< ±0.08dB up to 40kHz
Amplification - First Stage
Dual RT6863 Op-Amps
Amplification - Second Stage
Switching Amplifier
4.4mm Balanced Output
True Balanced, up to 4.2Vrms
3.5mm SE Output
Up to 2Vrms
Output Power (32Ω)
≥137mW (Balanced), ≥126mW (SE)
Output Power (600Ω)
≥29mW (Balanced), ≥7mW (SE)
SNR
-119dB
THD+N
0.0004%
Sampling Rate
Up to 32-bit/768kHz
DSD Support
Up to DSD512
Weight
19g
Built-in Battery
None
Inside the Box
  • 1 x Audirect ATOM4
  • User Manual

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 Audirect ATOM4 Comes with a 1 year warranty on the AMP & DAC only. Warranty doesn't apply to the included accessories.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Recently Viewed Products