Fostex HP-A3mk2 USB DAC

The Fostex HP-A3mk2 USB DAC is a premium digital-to-analog converter designed for audiophiles who seek the highest quality sound in a compact form. This state-of-the-art device brings your music to life with remarkable clarity and precision, making it an essential addition to your audio setup. Whether you are listening to your favorite tunes at home or on the go, the HP-A3mk2 provides an unparalleled listening experience, transforming digital audio signals into rich, high-fidelity sound.

Equipped with advanced audio technologies, the HP-A3mk2 supports high-resolution audio playback, ensuring that every detail of your music is faithfully reproduced. With its sleek and stylish design, this DAC not only performs exceptionally but also complements any audio system beautifully. The intuitive interface allows for easy operation, letting you quickly switch between different audio sources and settings. Enjoy a dynamic range and an immersive soundstage that makes every listening session a joy.

Designed for versatility, the Fostex HP-A3mk2 features multiple connectivity options, including USB input for direct connection to computers and a variety of other digital sources. The built-in headphone amplifier allows you to connect your favorite headphones directly, offering a powerful output that enhances your listening experience. Whether you are using it for casual listening or critical audio work, the HP-A3mk2 delivers consistent performance that meets the demands of both casual listeners and seasoned professionals alike.

Key Features

• High-resolution audio playback for stunning sound quality
• Multiple connectivity options, including USB and digital inputs
• Built-in headphone amplifier for direct headphone connection
• Sleek and stylish design that fits any environment
• Intuitive user interface for seamless operation

Technical Specifications

USB Input
USB 2.0
USB Terminal Connector
USB Type-C
Sampling Frequency/Quantization
Up to 192 kHz/32bit
Interface
USB2.0 High Speed
Supported OS
Windows 10, Mac OS Catalina (OS 10.15) or later

DIGITAL INPUT Terminal
Connector
Rectangular Optical
Format
S/P DIF (32 kHz to 96 kHz)

Output
PHONES Jack Connector
Standard 6.3 mm stereo phone jack
Maximum Output
100 mW (32 Ω load), 20 mW (300 Ω load)
Applicable Load Impedance
16 Ω min.
THD
0.03 % or less (32 Ω load at 1 kHz 100 mW output)
Frequency Response
20 Hz to 20 kHz ± 0.3 dB

ANALOG OUTPUT (L, R) Pins
Connector
RCA pin jacks
Output Level
2 Vrms (0 dBFS VR: MAX)
Applicable Load Impedance
10 kΩ or more
THD
0.005 % (1 kHz)
Frequency Response
20 Hz to 20 kHz ± 0.3 dB

DIGITAL OUTPUT Terminal
Connector
Rectangular Optical
Format
S/P DIF (output according to Fs of input signal)

General
Accessories
USB cable (Type-A – Type-C 1 m) x 1, rubber feet x 4, user’s manual x 1
External Dimensions
4.4" (W) x 1.3" (H, excluding rubber feet) x 6.1" (D, including projections)
Power Supply
DC 5 V (supplied from USB terminal)
Power Consumption
2.5 W