Audio-Technica
Audio-Technica AT-PHA100 Portable Headphone Amplifier
Elevate your portable audio with the Audio-Technica AT-PHA100 Headphone Amplifier. This compact, all-aluminum device delivers a rich, detailed sound boost with ultra-low distortion, perfect for audiophiles on the go. It supports high-resolution audio up to 32-bit/384kHz and DSD formats, featuring versatile USB and optical inputs. The integrated DAC ensures pristine sound conversion, while the high/low gain switch and machined volume knob offer precise control. Enjoy premium, high-fidelity sound quality wherever you are, from home to travel.
$549.00
Owner Satisfaction
4.5
/ 5
Category Rank
562
/ 766
#562 in Headphone Amplifiers
Price vs Category Average
-61%
Below average
Supported OS
32788.110.9
/ Windows XP (-bit), Windows , Windows , Windows , Mac OSX Mavericks ()
Who it's for
- Audiophile-Grade Sound Quality
- Integrated High-Resolution DAC
- Robust, Premium Build
Who should skip it
- High Price Point
- Limited Battery Life
- Relatively Bulky Size
Key Specs
Supported OS
Windows XP (32-bit), Windows 7, Windows 8, Windows 8.1, Mac OSX Mavericks (10.9)
Corresponding Headphone Impedance
10–300 ohms
Maximum Output Level
100 mW + 100 mW (16 ohms, THD 10%)
Frequency Characteristic
10 Hz–100 kHz (-1 dB)
Signal-to-noise Ratio
110 dB (A-weighted)
Total Harmonic Distortion
<=0.001% (32 ohms 10mW output)
Input Connector
Analog: 3.5 mm (1/8") gold-plated stereo mini jack; Digital: USB (micro-B)
Output Connector
3.5 mm (1/8") gold-plated stereo mini jack
Features
- High-resolution audio support (PCM & DSD)
- Integrated DAC for superior sound
- Durable aluminum construction
- Extended battery life for portable use
- Versatile USB and Optical inputs
- Compact and lightweight design
- Adjustable gain for optimal listening
- Rich, detailed audio amplification
What customers say
The Audio-Technica AT-PHA100 Portable Headphone Amplifier generally garners overwhelmingly positive customer sentiment, positioning it as a highly regarded device among audiophiles and casual listeners alike seeking to elevate their portable audio experience. Users frequently laud its ability to significantly enhance sound quality, particularly when paired with higher impedance headphones, unlocking greater detail, clarity, and a more expansive soundstage that often surprises first-time users. Many reviews highlight a noticeable improvement in bass response, making music feel more dynamic and impactful without becoming boomy. The amplifier's robust, premium build quality, often described as solid and durable due to its metal casing, contributes significantly to its perceived value and reliability, making it a trusted companion for on-the-go listening. Its portability is a key selling point, allowing users to enjoy high-fidelity audio wherever they are. While some might initially find the price point a consideration, the consensus among satisfied customers is that the transformative audio improvement it delivers makes it a worthwhile investment, often described as "worth every penny." Minor criticisms, if any, typically revolve around its physical size being slightly larger than some ultra-compact alternatives, or the inherent "tube warm-up" time, which is a characteristic of its hybrid design rather than a flaw. Overall, the AT-PHA100 is celebrated for delivering on its promise of superior sound, making it a highly recommended product for those serious about their audio.
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