Fostex HP-A4 review: specs & price

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Headphone amplifier and D/A converter with USB interface

The Fostex HP-A4 is a Headphone amplifier and D/A converter with USB interface with a USB 2.0, with up to 24 bit / 192 kHz PCM audio, DSD with 2.8 / 5.6 MHz...

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PRODUCT COMPARISON

Name DirectOut Split.Converter SC MusicoSommer Cable SPY-EDAO-C4Mytek Digital 8X192 Series Madi BundleDirectOut Andiamo 2 DA BNC/SC +24dbuDirectOut Andiamo 2 BNC/SC +24dBuBurl Audio B2 Bomber DACLake People ADC F444S A/D converter 24/192Sommer Cable SPY-EDAO-C2Lake People DAC C410Avid HD Madi
Brand
Description Optical MADI SplitterConverterMytek Digital 8x192 Series AD/DAMADI DA ConverterMADI AD / DA Converter2 channel DA converter2-Ch A / D ConverterConverterD/A ConverterHD MADI Interface
Format19", 1U-19" / 1 RU---19" / 1HE---
Amount Of Channels64483232222264
AD Conversion
DA Conversion
Max. Resolution24 bit-24 bit24 bit24 bit24 bit24 bit-24 bit24 bit
Max. sampling rate192 kHz-192 kHz192 kHz192 kHz192 kHz192 kHz-192 kHz192 kHz
S/PDIF Connecor
AES/EBU Connector
ADAT
Word clock
Number of analog inputs00803202000
Number of Analog Outputs048323220220
Headphone connection
Dimensions (W x H x D)--43.1 x 4 x 22.9 cm-----108 x 49 x 145 mm-

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Description

The Fostex HP-A4 is a Headphone amplifier and D/A converter with USB interface with a USB 2.0, with up to 24 bit / 192 kHz PCM audio, DSD with 2.8 / 5.6 MHz (DoP or ASIO), High-resolution audio playback via "FOSTEX Audio Player" software, USB bus-powered, Asynchronous data transfer via USB interface, Selectable digital filter, Headphone output with switchable amplifier gain, Analog RCA outputs and S/PDIF in- and output (optical) enable operation as a stand-alone converter and line preamplifier, MicroSD slot for future firmware updates, Weight approx. 500 g, For Windows XP SP2 (XP 64-bit is not supported), Vista, 7.8, and MacOS X 10.6.1 or later & Incl. USB cable and 4 rubber feet. The retail price is 268.49 £.

Specifications

Frequency range20 to 80,000 Hz +/- 3 dB (1 kHz, 32 ohm loaded, 100 mW, FS 192 kHz)
Dimensions113 x 34 x 155 mm
Amount Of Channels2
AD ConversionNo
DA ConversionYes
Max. Resolution24 bit
Max. sampling rate192 kHz
S/PDIF ConnecorYes
AES/EBU ConnectorNo
ADATNo
Word clockNo
Number of analog inputs0
Number of Analog Outputs2
Headphone connectionYes

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