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Audio-Technica AT-PHA100 Portable Headphone Amplifier

$549.00

Internal Rechargeable Battery
High- / Low-Gain Switch
Five-Stage Sampling Indicator
All-Aluminum Enclosure
Includes Attachment Accessories
USB to Micro-B Cable & 1/8″ Audio Cable

Only 2 left in stock

Audio-Technica AT-PHA100 Portable Headphone Amplifier

You don’t have to settle for wimpy, muddy sound just because you’re on the go. The Audio-Technica AT-PHA100 Portable Headphone Amplifier is small (width and length comparable to a smartphone) but packs a powerful punch. Engineered using select audio components, and enclosed in all-aluminum casing to protect the circuitry, the AT-PHA100 gives headphones a rich, detailed boost throughout the sonic range with ultra-low distortion.

The AT-PHA100 is equipped with both analog and digital inputs (3.5 mm jack and USB micro-B, respectively) and 3.5 mm headphone jack. It also features a high/low gain switch, machined aluminum volume knob, and five-stage sampling indicator for digital input. The internal lithium polymer rechargeable battery lasts up to 14 hours when amplifying an analog signal, and up to 6 hours when amplifying a digital signal.

The amplifier comes with two rubber bands and a rubber mat for strapping the unit to a smartphone or other portable device, a 1.0 m USB cable (USB 2.0 to USB micro-B) and a 10 cm audio cable terminating in a 3.5 mm gold-plated stereo mini plug at each end.

Audio-Technica AT-PHA100 Portable Headphone Amplifier Specifications

System Requirements: PC: with built-in USB port corresponding to USB 2.0

CPU: Intel Core2 CPU2.2 GHz or equivalent

RAM: 32-bit OS 2 GB or more, 64-bit OS 4 GB or more
Supported OS: Windows XP (32-bit)*, Windows 7, Windows 8, Windows 8.1
Mac OSX Mavericks (10.9)
* Technical support by Microsoft is no longer available.

Corresponding Headphone Impedance: 10 – 300 ohms

Maximum Output Level: 100 mW + 100 mW (10% during 16 ohms, THD)
80 mW + 80 mW (10% during 32 ohms, THD)
10 mW + 10 mW (10% during 300 ohms, THD)

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)/asynchronous mode/
DSD128 (DoP), DSD64 (Native / DoP): 24 – 32 bit/
PCM 384kHz, 352.8kHz, 192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz, 32kHz: 16 – 32 bit

Output Connector: 3.5 mm (1/8″) gold-plated stereo mini jack

Power Supply: 5V DC, 500 mA bus power system (PC)/rechargeable lithium polymer battery (BATTERY)

Charging Time: Up to 10 hours (DC5V, 500mA)

Battery Life: Digital about 6 hours (JEITA) / analog about 14 hours (JEITA)

Operating Temperature: 41 – 104° F (5° – 40° C)

Dimensions (excluding protrusions): 1.1″ (27 mm) H × 3.0″ (77 mm) W × 4.6″ (116 mm) D

Weight: About 240 g

Accessories Included: 1.0 m USB cable (USB 2.0 to USB micro-B), 10 cm audio cable (3.5 mm gold-plated stereo mini plugs x 2), rubber mat, two rubber bands

Common spec for analog/digital without annotation
Fs=384 kHz, 32-bit for digital input

 


Audio-Technica AT-PHA100 Portable Headphone Amplifier Features:

Specially selected, discrete circuitry enhances the resolution throughout the frequency range

NJR MUSES 8832 pre-amp delivers rich, powerful sound from low to high frequencies

DAC ESS ES9018K2M circuit samples 384kHz/32-bit PCM, and DSD audio sources at 2.8/5.6MHz

Texas Instruments LME49720 op-amp suppresses distortion for crystal clear mid to high frequencies

Internal rechargeable lithium polymer battery lasts up to 14 hours

High/low gain switch and machined aluminum volume knob

Five-stage sampling indicator (for digital signal input)

All-aluminum enclosure protects delicate circuitry

Includes two rubber bands and a rubber mat for strapping amp to a portable device, a 1.0 m USB cable (USB 2.0 to USB micro-B) and a 10 cm audio cable with 3.5 mm mini plugs

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