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

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

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

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

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Expected availability: 7-14 business days

Product Highlights

  • 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
  • USB 2.0 Input
  • Optical S/PDIF Digital I/O
  • Hi/Lo Gain Selection Levels
  • Selectable Filters
  • Includes USB Cable & Rubber Feet
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This item is noncancelable and nonreturnable.

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NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B&H $500.00 Gift Card Dash (the "Sweepstakes") is void where prohibited by law and is sponsored by B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 ("Sponsor"). It is not sponsored or endorsed by Facebook or Twitter in any way.

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Fostex HP-A4BL overview

  • 1Description

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
In the Box
Fostex HP-A4BL High-Resolution DAC / Balanced Headphone Amplifier
  • AC Power Adapter
  • USB Cable
  • 4 x Rubber Feet
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Fostex HP-A4BL specs

    Sampling Frequency PCM: 44.1 to 192 kHz
    DSD: 2.8 to 11.2 MHz
    Bit Depth 16/24-bit
    Connector 1x USB 2.0 high speed
    1x S/PDIF Optical (Square) (16/24-bit, 44.1 to 192 kHz)
    Connector Balanced Headphone: XLR (4-pin) Unbalanced Headphone: 1/4" / 6.3 mm Line Output: 2x analog RCA outputs S/PDIF Digital: Optical (Square) (16/24-bit, 44.1 to 192 kHz)
    Maximum Output Headphones: 300 mW or more (32 Ohms loaded)
    RCA Reference Output Level: 2 Vrms (0 dbFS)
    Load Impedance Headphones: 16 to 600 Ohms Line Output: <10 kOhms
    THD Headphone Outputs: Less than 0.04% at 1 kHz
    RCA Outputs: Less than 0.01% at 1 kHz
    Frequency Response Headphones: 20 Hz to 80 kHz ±3 dB (32 Ohms, 100 mW)
    RCA Outputs: 20 Hz to 80 kHz ±3 dB
    Digital: 44.1 to 192 kHz
    SD Card Slot 1x microSD slot (for firmware updates)
    Format: FAT32 Compatible Card: microSD card (SDHC), up to 32 GB
    Power Power Supply: 12 VDC, 1.5 A
    Dimensions (W x H x D) 5.9 x 1.3 x 6.2" / 150.0 x 34.0 x 157.0 mm, excluding protruded parts
    Weight 22.2 oz / 630.0 g, approximate
    Packaging Info
    Package Weight 2.6 lb
    Box Dimensions (LxWxH) 12.2 x 7.9 x 2.8"

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