Audio-Technica AT-PHA100 Portable Headphone Amplifier

Audio-Technica AT-PHA100 Portable Headphone Amplifier

Audio-Technica AT-PHA100 Portable Headphone Amplifier

B&H # AUATPHA100 MFR # AT-PHA100
Audio-Technica AT-PHA100 Portable Headphone Amplifier

Audio-Technica AT-PHA100 Portable Headphone Amplifier

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Product Highlights

  • 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
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  • 1Description
The AT-PHA100 Portable Headphone Amplifier from Audio-Technica is enclosed in all-aluminum casing to protect the circuitry and is designed to give headphones a rich, detailed boost throughout the sonic range with ultra-low distortion. It is equipped with both analog and digital inputs (1/8" and USB micro-B) and can be connected to several sources to provide better headphone quality for laptops, smartphones, recorders, and more.

Featuring a high-/low-gain switch, a machined-aluminum volume knob, and a five-stage sampling indicator for digital input, the headphone amp is compatible with USB 2.0 and uses an internal lithium polymer rechargeable battery for power. It lasts up to 14 hours when amplifying an analog signal and up to 6 hours when amplifying a digital signal.

Additionally, it comes with two rubber bands and a rubber mat for strapping the unit to a smartphone or other portable device. Also included are a 3.3' USB to micro-B (2.0) cable and a 3.9" audio cable terminating in a 1/8" gold-plated stereo mini jack on each end.

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 384 kHz / 32-bit PCM, and DSD audio sources at 2.8 / 5.6 MHz
Texas Instruments LME49720 op-amp suppresses distortion for crystal clear mid to high frequencies
Internal rechargeable lithium polymer battery lasts up to 14 hours
In the Box
Audio-Technica AT-PHA100 Portable Headphone Amplifier
  • 2 x Rubber Bands
  • Rubber Mat
  • 3.3' USB to Micro-B (2.0) Cable
  • 3.9" 1/8" to 1/8" Audio Cable
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Computer Requirements PC with built-in USB port corresponding to USB 2.0
    CPU Intel Core2 CPU 2.2 GHz or equivalent
    RAM 32-bit OS 2 GB or more, 64-bit OS 4 GB or more
    Supported Operating Systems Windows XP (32-bit)*, Windows 7, Windows 8, Windows 8.1
    Mac OSX Mavericks (10.9)
    * Technical support by Microsoft is no longer available.
    Headphone Impedance 10 to 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 Characteristics 10 Hz to 100 kHz (-1 dB)
    Signal to Noise Ratio 110 dB (A-weighted)
    Total Harmonic Distortion <=0.001% (32 Ohms 10 mW output)
    Input Connector Analog: 1/8" (3.5 mm) gold-plated stereo mini-jack
    Digital USB (micro-B) / asynchronous mode
    DSD128 (DoP), DSD 64 (Native / DoP): 24 to 32 bit / PCM 384 kHz, 352.8 kHz, 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 to 32 bit
    Output Connector 1/8" (3.5 mm) gold-plated stereo mini-jack
    Power Supply 5 VDC, 500 mA bus power system (PC) / rechargeable lithium polymer battery
    Charging Time Up to 10 hours (5 VDC, 500 mA)
    Battery Life Digital about 6 hours (JEITA) / analog about 14 hours (JEITA)
    Operating Temperature 5 to 40°C (41 to 104°F)
    Dimensions (H x W x D) 1.1 x 3.0 x 4.6" (27 x 77 x 116 mm)
    Weight 8.5 oz (240 g)
    Packaging Info
    Package Weight 1.05 lb
    Box Dimensions (LxWxH) 5.7 x 4.5 x 3.1"

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