Sony

Sony PHA3 Portable Headphone Amplifier - Black

3.9 (75 reviews)

Experience Audio Excellence with the Sony PHA3 Headphone AmplifierThe Sony PHA3 PHA-3 Headphone Amp delivers high-fidelity audio amplification, supporting both analog and digital connectivity. Enjoy your music from smartphones, portable players, or PCs with bit-perfect playback. Connectivity: An...

$548.00*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

Experience Audio Excellence with the Sony PHA3 Headphone Amplifier

The Sony PHA3 PHA-3 Headphone Amp delivers high-fidelity audio amplification, supporting both analog and digital connectivity. Enjoy your music from smartphones, portable players, or PCs with bit-perfect playback.

  • Connectivity: Analog, Digital
  • DAC Support: PCM up to 384 kHz/32-bit, DSD 2.8/5.6MHz
  • Frequency Response: 10–100 kHz (AUDIO IN)

Key Features

Flexible, Powerful, and pocket-able

Convenient Analog and Digital connectivity meets powerful digital audio conversion/amplification circuitry

Supporting up to 384 kHz/32-bit PCM and DSD (2.8/5.6) sources, for immersive and pocket-able Hi-Fi. Frequency response 10–100 kHz

Compatible with USB Audio, PCM 384 kHz/32-bit, DSD

Specifications

Model
PHA3 Portable Headphone Amplifier
Color
Black
Supported PCM Resolution
Up to 384 kHz/32-bit
Supported DSD Formats
2.8/5.6
Frequency Response
10–100 kHz
Connectivity
Analog, Digital, USB Audio

Pros & Cons

👍 Pros

  • Supports high-resolution audio formats including up to 384 kHz/32-bit PCM and DSD (2.8/5.6), delivering immersive Hi-Fi sound.
  • Offers flexible and convenient analog and digital connectivity options to suit various audio sources.
  • Designed to be powerful and pocket-able, making it suitable for high-quality audio on the go.
  • Features a wide frequency response of 10–100 kHz, ensuring a full range of audio reproduction.
  • Compatible with USB Audio, providing a direct digital connection for enhanced sound quality from your devices.

👎 Cons

  • While portable, it is an additional device to carry, which may add bulk for users seeking ultimate minimalism.
  • Requires compatible high-resolution audio files and headphones to fully appreciate its capabilities, which may incur further investment.
  • The "pocket-able" description might be subjective, and its physical dimensions could still be a consideration for some users' pockets.
  • Being a dedicated headphone amplifier, it serves a specific niche and might not be necessary for casual listeners using standard headphones.
  • The product is black, which might not appeal to all users' aesthetic preferences or match other silver or white devices.

Frequently Asked Questions

The Sony PHA3 supports PCM sources up to 384 kHz/32-bit and DSD (2.8/5.6) sources, enabling immersive Hi-Fi audio.
The Sony PHA3 offers a wide frequency response of 10–100 kHz, covering a broad spectrum of audio.
Yes, it offers convenient analog and digital connectivity, including compatibility with USB Audio.
Yes, it is described as "Flexible, Powerful, and pocket-able," indicating its design for high-fidelity audio on the go.
The Sony PHA3 Portable Headphone Amplifier comes in black.