Head-Fi.org › Head Gear › Dedicated Source Components › DACs › Fostex HP-A4 32 bit multi-format audio converter D/A and premium Headphone Amplifier

Fostex HP-A4 32 bit multi-format audio converter D/A and premium Headphone Amplifier

100% Positive Reviews
Rated #68 in DACs

Posted

Pros: Format support, sound quality, amazing build quality

Cons: Front panel easily scratched, low output power

Excuse my English

 

First off the DAC is 24bit no matter if its on PC/Mac/Linux
it Decodes PCM 192K and DSD 2.8/5.6 MHz

 

Build quality: One of the best on the market. the casing of the unit is 3mm thick aluminum. Components on the circuit board are neatly laid out.

 

Sound Quality: I don't have high end headphones, but Low impedance phones really sounds good (<150 ohm). The sound is balanced.

 

Filters: Fast and Slow roll-off for PCM, Low and High cut for DSD. PCM roll offs are easier to notice for the bass, DSD cut off is just lowering the ampitude as some DSD are recorded over 0db

 

There are also other features:
Optical input and output, can be used as a converter. the output is always on.
RCA output, i also have powered speaker that I use with the HP-A4.

 

Specs from fostex jp website:

 

Output power:

32 ohm load: 100mW

300 ohm load: 20mW

 

DAC chip: Taxas Instrument PCM1792A

Fostex HP-A4 32 bit multi-format audio converter D/A and premium Headphone Amplifier
By:
Description:

Fostex HP-A4 is a new, improved version of the acclaimed HP-A3. It offers up to DSD 5.6MHz and PCM 192kHz for superior audio playback functionality as well as the sophisticated and class-leading appearance of the flagship HP-A8C - See more at: http://www.fostexinternational.com/docs/products/HP-A4.shtml#1

Details:
DetailValue
BindingElectronics
BrandFostex
EAN0636827304221
FeatureAsynchronous transfer mode by using the custom made crystal HI/LO Gain selection (10dB) for wider range of headphones Quick and easy hi-resolution playback in combination with "FOSTEX Audio Player" software Linear PCM audio up to 24bit/192kHz and DSD audio up to 5.6MHz playback - See more at: http://www.fostexinternational.com/docs/products/HP-A4.shtml#1 USB buss powered operation without AC adapter
LabelFostex
ManufacturerFostex
MPNHPA4RB
PublisherFostex
StudioFostex
TitleFostex HP-A4 32 bit multi-format audio converter D/A and premium Headphone Amplifier
UPC636827304221
Package Height2.7 inches
Package Length10.3 inches
Package Weight1.65 pounds
Package Width6.2 inches
PackageQuantity1
PartNumberHPA4RB
ProductGroupCE
ProductTypeNameHEADPHONES
UPCList - UPCListElement636827304221
Models:
Model Name/TypeMPNEAN/UPC
Head-Fi.org › Head Gear › Dedicated Source Components › DACs › Fostex HP-A4 32 bit multi-format audio converter D/A and premium Headphone Amplifier