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

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

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  • 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.

    Key Features

    • 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
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