Fostex HP-A4BL High-Resolution DAC / Balanced Headphone Amplifier

BH #FOHPA4BL • MFR #HP-A4BL
Fostex
Key Features
  • Balanced Headphone Output: 4-Pin XLR
  • Unbalanced Headphone Output: 1/4"
  • Up to 24-Bit/192 kHz PCM Support
  • Up to 11.2 MHz DSD Support
The HP-A4BL High-Resolution DAC / Balanced Headphone Amplifier from Fostex is a high resolution digital-to-audio converter and balanced headphone amplifier well suited for professional audio engineers, mastering engineers, and audiophiles. The HP-A4BL supports PCM audio up to 24-bit/192 kHz and DSD audio up to 11.2 MHz. The front-panel offers a balanced 4-pin XLR headphone output, an unbalanced 1/4" stereo headphone output, while the rear-panel offers stereo RCA outputs, optical S/PDIF I/O, and a USB 2.0 connector. The HP-A4BL has 2 gain staging levels, allowing you to boost the output of the amp by 10 dB without needing to touch the volume knob. The selectable filter allows you to cut-off lower frequencies if desired. The HP-A4BL ships with a power supply, USB cable, and 4 rubber feet.
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$479.99
$80/mo. suggested payments
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Fostex HP-A4BL Overview

The HP-A4BL High-Resolution DAC / Balanced Headphone Amplifier from Fostex is a high resolution digital-to-audio converter and balanced headphone amplifier well suited for professional audio engineers, mastering engineers, and audiophiles. The HP-A4BL supports PCM audio up to 24-bit/192 kHz and DSD audio up to 11.2 MHz. The front-panel offers a balanced 4-pin XLR headphone output, an unbalanced 1/4" stereo headphone output, while the rear-panel offers stereo RCA outputs, optical S/PDIF I/O, and a USB 2.0 connector. The HP-A4BL has 2 gain staging levels, allowing you to boost the output of the amp by 10 dB without needing to touch the volume knob. The selectable filter allows you to cut-off lower frequencies if desired. The HP-A4BL ships with a power supply, USB cable, and 4 rubber feet.

  • Equipped with 4-pin XLR balanced output
  • 1/4" / 6.35mm unbalanced output
  • Newly developed audio-grade capacitors
  • Highly precise crystal with low phase noise
  • Playback 24-bit/192 kHz PCM and 11.2 MHz DSD audio
  • High performance DAC (Burr-Brown PCM1792A)
  • Asynchronous transfer up to 192 kHz/24-bit compatible with USB Audio 2.0
  • HI/LO Gain selection (10 dB) for wider selection of headphones
  • Digital Filter selecting Roll-Off characteristics and Cut-off frequencies
UPC: 636827306508

Fostex HP-A4BL Specs

Form FactorTabletop
Number of Headphone ChannelsSingle Channel
Recommended Headphone Impedance16 to 600 Ohms
Headphone Output Power≥ 300 mW into 32 Ohms (Max)
Connectivity
Analog Audio I/O1 x XLR 4-Pin Balanced Headphone Output
Digital Audio I/O1 x TOSLINK Optical S/PDIF Input
1 x TOSLINK Optical S/PDIF Output
USB1 x USB Type-B (USB 2.0)
Performance
Frequency ResponseHeadphone Outputs:
20 Hz to 80 kHz ±3 dB (32-Ohm Load)
RCA Outputs:
20 Hz to 80 kHz ±3 dB
THDHeadphone Outputs:
< 0.04% (1 kHz)
RCA Outputs:
< 0.01% (1 kHz)
Digital Audio
Sample RatesUp to 192 kHz (PCM)
Up to 11.2 MHz (DSD)
Bit Depths16 / 24-Bit
Power
AC/DC Power Adapter12 VDC at 1.5 A
Physical
Dimensions6.2 x 5.9 x 1.3" / 157 x 150 x 34 mm
Weight22.2 oz / 630.0 g
Packaging Info
Package Weight2.6 lb
Box Dimensions (LxWxH)12.2 x 7.9 x 2.8"
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is this a brand new?
Asked by: Rodolfo
Yes
Answered by: David
Date published: 2019-04-01

question

Is this compatible with 240V Australia? Or will I need a transformer?
Asked by: Anonymous
The supplied AC adaptor employs a switching power supply which will work on 120V-240V power sources. No transformer would be required, you will simply require the necessary plug type adapters.
Answered by: American Music & Sound S. Fostex Expert
Date published: 2018-08-26

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Will this be iPhone compatible?
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