Fostex HP-A4

Headphone amplifier and D/A converter with USB interface

  • USB 2.0, with up to 24 bit / 192 kHz PCM audio
  • DSD with 2.8 / 5.6 MHz (DoP or ASIO)
  • Frequency range: 20 to 80,000 Hz +/- 3 dB (1 kHz, 32 ohm loaded, 100 mW, FS 192 kHz)
  • 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
  • Dimensions: 113 x 34 x 155 mm
  • 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

Further information

Amount Of Channels 2
AD Conversion No
DA Conversion Yes
Max. Resolution 24 bit
Max. sampling rate 192 kHz
S/PDIF Connecor Yes
AES/EBU Connector No
ADAT No
Word clock No
Number of analog inputs 0
Number of Analog Outputs 2
Headphone connection Yes

These are other customers' choices:

Customers who looked at this item have bought these:

Fostex HP-A4
38% bought this exact product
Fostex HP-A4
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times
319 € Add to Cart
Swissonic Converter DA 24/192
16% bought Swissonic Converter DA 24/192 35 €
RME ADI-2 DAC
14% bought RME ADI-2 DAC 999 €
Fostex HP-A3
7% bought Fostex HP-A3 295 €
Fostex HP-A4 BL
5% bought Fostex HP-A4 BL 458 €
Our most popular Digital Converters
13 customer ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
4.8 / 5.0
  • handling
  • features
  • sound
  • quality
10 written ratings Read all reviews
Total
handling
features
quality
sound

Hard pressed to find a better Dac in this price range!

S5690, 30.12.2014
A/B'd against: Dac Magic Plus (£350)
Xonar Essence One (£350)
Arcam IrDac (£400)
Running through the headphone amplifiers on each device using Sennheiser HD 600 headphones

By no means am I an audiophile: I appreciate clean, detailed sound and am drawn to a sonic balance (neutrality). This Dac really gives others in its price range a run for their money!

I bought the HP-A4 for around £200 and the only Dac that surpassed it was x2 the price (Arcam IrDac) which it does by a small margin... In my opinion, the Fostex trumps the Xonar in sound quality: it has punch in the bass, a clean mid-section, which, the Xonar seemed to become muddy and a bit too messy and too forward.
The Dac Magic Plus was very close in sonic quality! shockingly close. The only difference I could tell from the small amount of time I had with this device was the treble of the Dac Magic getting slightly lost in a Rage Against the Machine song (I do not recall) in the treble region; I believe this was because the Fostex has a brighter top end by a light notch, giving it the edge in detail, whereas the Dac Magic seemed very laid back and neutral; I had high expectations for the Dac Magic considering it cost £150 more; the difference was minimal and the HP-A4 was my winner here.

Describing the tone of the Fostex HP-A4 I'd say laid back with punch and edge; simply put: Tight-punchy bass, a cleverly revised mid section (extremely clean despite being subtly reduced), and detailed highs with a slight treble boost to give life to cymbals and such.

A side note: don't be alarmed by the reduced mids, what Fostex have done is make an awesome sounding unit while not making it dull and lacking in any way. My ears actually hear a reduction in the muddier frequencies to give recordings more space and a cleaner reproduction.
Definitely recommend this Dac/Pre-amp!
Helpful · Not helpful · Report review
Report rating…

Do you believe this rating to be inaccurate or unacceptable for some reason?

Send report
Total
handling
features
quality
sound

Actually Fostex HP-A4 5 star product.

Gintas, 17.04.2018
Fostex HP-A4 sound is just natural full scale and no draw back in this area 25 stars at least. But..... support is typical word to word translation from Japanese to English. So many people war confused because was unclear how to see as Fostex HP-A4 hardware was up to date , as Fostex
have to release an extra brochure on a mater.
Helpful · Not helpful · Report review
Report rating…

Do you believe this rating to be inaccurate or unacceptable for some reason?

Send report
Free shipping incl. VAT
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times
Share this product
Your Contacts
Phone: +49-9546-9223-30
FAX: +49-9546-922328
Phone: +49-9546-9223-33
FAX: +49-9546-9223-24
Offers include 24% Greek VAT and are valid as long as stocks last. Shipping costs to Greece are 20 EUR, free shipping on orders above 298 EUR. Please click here for international Shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
Harley Benton Fusion-HSH Roasted Maple Slate Digital ML-2 Alesis Nitro Kit Mesh Kit DPA 4066-OC-A-F10-LH Slate Digital ML-1 JHS Pedals The Bonsai Zynaptiq Intensity Sennheiser ew IEM G4 A-Band Showtec Compact Par 18 MKIII Tour Tech 21 DP-3X Harley Benton Fusion-HSH MN Aqua Stairville Wild Wash Pro 648 LED RGB DMX
Recommended
Harley Benton Fusion-HSH Roasted Maple

Electric Guitar Ergonomically shaped mahogany body, "Ultra Flame" flamed maple veneer top, Matching headstock, Bolt-on neck from "roasted" Canadian flamed maple, "Roasted" maple fretboard, Neck shape: Modern C, Clay Dot fretboard inlays, 24 Medium jumbo stainless steel frets, Nu-Bone...

to the product
415 €
(2)
Recommended
Slate Digital ML-2

Small Diaphragm Condenser Microphone For Slate Digital VRS8 Thunderbolt audio interface, similar linear and flat frequency response to the Slate Digital ML-1, Allows microphone placement that is difficult or impossible for a larger microphone, Side mounted pad switch -...

to the product
159 €
Recommended
Alesis Nitro Kit Mesh Kit

Alesis Nitro Mesh Kit, e-drum set for beginners, Mesh Heads for toms and snare, Nitro drum module with 385 sounds, 25 preset kits, 15 user kits, 60 songs, metronome, mono 1/4" jack outputs (L/R) to connect speakers or mixer, stereo...

to the product
399 €
Recommended
DPA 4066-OC-A-F10-LH

DPA 4066-OC-A-F10-LH, d:fine CORE 4066 Omni Headset Mic, professional headset microphone with removable and adjustable neck holder for left or right-sided use. Omnidirectional, 20Hz-20kHz with 3dB boost between 8-20kHz, 144dB SPL max.,TA-4F Switchcraft connector for Shure Transmitter . beige, Great...

to the product
719 €
Recommended
Slate Digital ML-1

Large-diaphragm condenser microphone Neutral ML-1 condenser microphone that can be combined with VMS hardware and software, Optional Neutral VMS preamp ensures minimal sound-colouration (not included!), Via VMS plug-in software, you can completely change the sound characteristics even after recording,...

to the product
866 €
(1)
Recommended
JHS Pedals The Bonsai

Effect Pedal Overdrive, 9 Tube Screamer Overdrive modes, 5 Classic TS circuits and 2 popular mods, Analogue operation, True bypass, Volume, sustain and tone controls, 9-Way rotary control to select between Tube Screamer modes (OD-1 / TS-808 / TS-9...

to the product
259 €
Recommended
Zynaptiq Intensity

Zynaptiq Intensity (ESD); enhancer plugin; innovative algorithm increases detail, clarity, density and loudness of any audio signal; suitable for single tracks, groups, mixbus or mastering; easy to us clearly arranged user interface; additional soft-knee saturating limiter at the output stage;...

to the product
152 €
Recommended
Sennheiser ew IEM G4 A-Band

Evolution Wireless In Ear System Consists of UHF bodypack receiver (EK IEM G4), 9.5" transmitter (SR IEM G4) and IE4 earphones, Stereo / focus / mono modes, Up to 1680 frequencies in 42 MHz switching bandwidth, 20 Channel banks...

to the product
990 €
Recommended
Showtec Compact Par 18 MKIII Tour

LED headlights Noiseless due to fanless cooling, Compact flat housing, Double bracket for upright and hanging mounting, Light source: 18x 3 Watt RGB 3in1 LED, Beam angle: 28°, Light output: 9600 Lux at 1 m, 4170 lux at 2...

to the product
198 €
Recommended
Tech 21 DP-3X

Preamp for bass dUg Pinnick signature model, Controls: volume, chunk, high, mid, low, comp, drive, Gain switch, Mix button, Chromatic tuner, XLR DI output, TRS input / output, Headphone output, Dimensions (W x D x H): 19.7 x 6.4...

to the product
299 €
Recommended
Harley Benton Fusion-HSH MN Aqua

Electric Guitar Ergonomically shaped mahogany body, "Ultra Quilted" plywood veneer top, Matching headstock, Bolt-on Canadian Hard Maple neck, Maple fretboard, Neck profile: Modern C, Clay Dot fretboard inlays, 24 Medium jumbo stainless steel frets, Nu-Bone nut, Nut width: 42...

to the product
311 €
(1)
Recommended
Stairville Wild Wash Pro 648 LED RGB DMX

Multi-Functional LED Spotlight with 4 Effects in One DeviceWith its SMD LED equipment, the Wild Wash series is a magic box for events and shows of all kinds. Whether on small to large stages, in clubs of all sizes, exhibitions,...

to the product
259 €
Feedback Found an error or want to give us feedback about this page?

We're looking forward to hearing from you and aim to solve any problems as soon as we can.

Please leave a comment. Please enter your e-mail address.