Sony PHA-1A Portable Amplifier


PHA-1A Portable High-Resolution DAC and Headphone Amplifier. (Mfr # PHA1A)

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The Sony PHA-1A Portable High-Resolution DAC and Headphone Amplifier uses a Wolfson USB DAC with a separate amplifier section to deliver a broad frequency response of 10 to 100,000 Hz into headphones with an impedance range of 8 to 600 ohm.

It supports playback of high resolution audio files up to 192 kHz/24-bit resolution with direct digital connection support for Walkman, Xperia, and iOS mobile devices. It uses high quality components to present a wall-balanced natural 3-dimensional sound stage.

Key Features:

  • Pocket Sized Amplifier Design
  • 192 kHz/ 24-bit PCM Conversion
  • Direct Digital Connection to Mobiles
  • Wolfson DAC with Separate Headphone Amp
  • Durable Aluminum Enclosure
  • Works With MDR-1A and Walkman A10
  • Immersive Three-Dimensional Sound
  • 10 to 100,000 Hz Frequency Response
  • Weighs Only 5 ounces
  • Includes Silicone Band for Mobile Device


Weight 5.11 oz (145 g)
Frequency Response 10 to 100,000 Hz
Battery Battery Charging Time: Approximately 2 hours
Dimensions 2.4 x 0.7 x 4.3" (62.0 x 18.5 x 109.0 mm)
Battery Life Approximately 6 hours
Resolution Sampling Resolution PCM: Max 192 kHz/24-bit

Item Includes

  • Digital Cable for Xperia
  • Digital Cable for Walkman
  • Micro-USB Cable
  • 2 x Silicone Belts
  • Protection Sheet
  • Standard Manufacturer's Warranty.

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