Audirect BEAM4 Portable DAC Amplifier
Experience high-resolution audio on the go with the Audirect BEAM4, a flagship portable DAC amplifier. It boasts the ESS9281 AC PRO DAC chip and three femtosecond crystal oscillators for exceptional clarity and detail. Its integrated battery and proprietary power management ensure stable, consistent performance. Enjoy intuitive control with physical buttons for volume, playback, and gain. The BEAM4 offers both 3.5mm single-ended and 4.4mm balanced outputs, supporting up to 32Bit/768kHz PCM and DSD512 native playback for a truly immersive listening experience.
$287.00
Owner Satisfaction
4.4
/ 5
Category Rank
706
/ 807
#706 in Headphone Amplifiers
Price vs Category Average
-79%
Below average
DAC Chip
9281
/ ESS Technology ESAC PRO
Who it's for
- Dual Headphone Outputs
- Exceptional Decoding Capability
- Ultra-Portable Form Factor
Who should skip it
- Significant Host Battery Drain
- Potential for Heat Build-up
- Lack of Dedicated Volume Control
Key Specs
DAC Chip
ESS Technology ES9281AC PRO
Max PCM Support
32Bit/768kHz
Max DSD Support
DSD512 native
THD+N
<0.0003%
SNR
-119db
Frequency Response
20Hz - 40,000Hz
Outputs
3.5mm single-ended and 4.4mm balanced
Dimensions
L75 x W39 x H12mm
Features
- Flagship portable DAC with ESS9281 AC PRO chip
- Built-in battery for stable power
- Physical controls for easy operation
- Dual headphone outputs (3.5mm & 4.4mm)
- Supports high-resolution audio up to DSD512
- Three femtosecond crystal oscillators for accuracy
- Adjustable gain for various headphones
- LED indicator for decoding type
What customers say
The Audirect BEAM4 is celebrated for successfully merging high fidelity with extreme mobility. Users consistently praise its pocketable size without compromising audio quality. The dual DAC architecture delivers a transparent and detailed sound signature, offering a clear upgrade over standard audio. Exceptional versatility is provided by both 3.5mm and 4.4mm outputs, with the balanced connection supplying surprising clean power for most IEMs and many headphones. Its plug and play simplicity across systems is a major benefit. While appreciated for portability, some users note increased smartphone battery drain and that it may lack the raw power needed for the most demanding, high impedance headphones. Overall, it is a favorite for on the go sound quality.
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$287