- Description
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Details
Model HP-A4BL, designed being based on the current HP-A4, is an affordable USB DAC & Headphone amp offering balanced connection for headphones that is becoming more popular in the market. In addition to the balanced headphone out, it also complies with DSD Audio up to 11.2MHz.
- Technical Specifications
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Additional Information
Package Contents - Fostex HP-A4BL Headphone Amplifier & USB DAC
- Rubber foot (x4)
- USB cable
- Manual, AC adapter
Colour Black Warranty 1 year (local) Availability Discontinued Product Type Amplifier (Headphone), DAC (Digital-Analog Converter) Style/Type Desktop Features Optical Input, Optical Output Sampling / Bitrate 16bit/24bit: 44.1 – 192kHz Frequency Response (Hz) 20Hz - 80kHz +/-3dB Total Harmonic Distortion (THD) less than 0.01% at 1kHz Output Power 100mW (32-ohm loaded) Input Connectivity Optical, USB Output Connectivity 6.35mm Stereo, TOSLINK Optical (SPDIF), RCA / Phono, XLR Balanced Microphone None Additional Tech Specs - Input
[USB] terminal
Interface :USB 2.0 Hi Speed
Sampling Frequencies :PCM 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz DSD 2.8MHz, 5.6MHz, 11.2MHz
Quantization :16bit, 24bit
[Digital In] terninal
Connector :Optical, Square
Format :S/PDIF
Sampling Frequencies :44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Quantization :16bit, 24bit
- Output
[PHONES BALANCED] terminal
Connector :XLR (4-pin)
Maximum output :300mW or more (32 ohm)
Load impedance :16 - 600 ohm
THD :less than 0.04% (at 1kHz)
Frequency Response :20Hz - 80kHz (+-3dB, 32 ohm, 100mW)
- [PHONE UNBALANCED] terminal
Connector :1/4" stereo jack
Maximum output :150mW or more (32 ohm) Applicable load impedance :16 - 600 ohm
THD :less than 0.04% (at 1kHz)
Frequency Response :20Hz - 80kHz (+-3dB, 32 ohm, 100mW)
- [OUTPUT] (L,R) terninal (Analog output) Connector :RCA Pin
Reference output level :2Vrms (0 dBFS) Applicable load impedance :less than 10k ohm THD :less than 0.01% (at 1kHz)
Frequency Response: 20Hz-80kHz (+3dB)
- [DIGITAL OUT] terminal
Connector :Optical (square)
Format :S/PDF
Frequency Response :44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Quantaization :16, 24bit
- General
[microSD] card slot (for firmware upgrade only) Format: FAT32
Compatible card: microSD card (SDHC), up to 32GB
Power supply :DC12V
- User Reviews
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