Fostex
Fostex HP-A3
The Fostex HP-A3 is a high-quality DAC and headphone amplifier designed for computer audio. It features 32-bit D/A conversion and supports audio sources up to 24-bit/96kHz. This unit utilizes USB bus power, eliminating the need for an AC adapter, and includes a dedicated analog headphone amplifier capable of driving various headphone types. The HP-A3 is equipped with a high-grade AKM 32-bit DAC (AK4390) and offers selectable USB/Digital (Optical) inputs and Headphone/RCA (Analog) outputs. It can also function as a D/D converter, transforming USB digital audio to Optical output.
$299.99
More HP-A Options
Owner Satisfaction
4.5
/ 5
Category Rank
581
/ 807
#581 in Headphone Amplifiers
Price vs Category Average
-79%
Below average
Input USB port sampling frequency
162496
/ bit-bit/kHz
Who it's for
- Clear, Engaging Sound
- Robust Build Quality
- Integrated DAC and Amp
Who should skip it
- Limited Headphone Power
- Modest Feature Set
- Resolution Ceiling
Key Specs
Input USB port sampling frequency
16bit-24bit/96kHz
Interface
USB full speed
Digital Input Connector
optical, square
Digital Input Format
S/PDIF (32kHz – 96kHz)
Phones Output Connector
Stereo phone
Max Output
100mW (32-ohm loaded)
THD (Phones)
less than 0.01% at 1kHz, 32-ohm loaded, 100mW
Frequency response (Phones)
20Hz / 20kHz +-0.3dB (32ohm loaded, 100mW)
Features
- 32-bit D/A Converter for enhanced audio quality
- USB bus powered for convenient, adapter-free operation
- Supports high-resolution audio up to 24-bit/96kHz
- High-quality analog headphone amplifier for driving various headphones
- Equipped with a high-grade AKM 32-bit DAC (AK4390)
- USB/Digital (Optical) input selector for flexible source connection
- Headphones/RCA (Analog) output selector for versatile output options
- Functions as a D/D converter from USB digital audio to Optical
What customers say
Customers consistently praise the Fostex HP A3 for its exceptional sound quality and remarkable value. Many users highlight its ability to deliver a clear, detailed, and natural audio experience, significantly enhancing their listening pleasure. Its robust build quality and straightforward operation further contribute to a highly positive perception. Listeners often consider it a superb upgrade, offering premium performance that far exceeds its modest price point, making it a standout choice for those seeking an affordable yet high fidelity desktop DAC amplifier.
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$300