Fostex HP-A4 24-Bit USB DAC Headphone Amplifier

by Fostex
Order, 1 - 2 weeks $394.00
Fostex HP-A4 24-Bit USB DAC Headphone Amplifier
Up to 24-Bit/192kHz PCM Support
Up to 5.6MHz DSD Support
USB 2.0 Input
Optical S/PDIF Digital I/O
Front-Panel 1/4" Headphone Output
2 Gain-Staging Levels
Selectable Filter
Mac and Windows Compatible
Includes USB Cable & Rubber Feet

Specifications

Input
Sampling Frequency : Up to 192 kHz (PCM), Up to 5.6 MHz (DSD)
Bit Depth : Up to 24-bit
Connector : 1x USB high speed, 1x S/PDIF TOSlink (16/24-bit, 44.1 to 192 kHz)

Output
Connector :
1x 1/4" (6.3 mm) stereo headphone output
2x analog RCA outputs
1x S/PDIF TOSlink (16/24-bit, 44.1 to 192 kHz)

Maximum Output : 100 mW (32 Ohm loaded), RCA Outputs: 2 Vrms reference output level
THD :
Headphone Output: Less than 0.04% at 1 kHz, 32 Ohm loaded, 100 mW
RCA Outputs: Less than 0.01% at 1 kHz
Frequency Response :
20 Hz to 80 kHz +/-3dB (1 kHz, 32 Ohm loaded, 100 mW, FS 192 kHz)
RCA Outputs : 20 Hz to 80 kHz +/-3 dB (at FS 192 kHz)

General
SD Card Slot : 1x microSD slot (for firmware updates)
Compatibility -
Windows : XP (SP2 or later), Vista, 7, 8
Mac : OS X 10.6 or later
Power : USB bus powered
Power Consumption : 2.5 W
Dimensions (W x H x D) : 113 x 34 x 155 mm (4 x 1 x 6 in), excluding protruded parts
Weight : 500g (17 oz) , approximate

In the Box

1m USB Cable
4 x Rubber Feet

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