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Sony PHA-1 Portable Headphone Amplifier and USB DAC

B&H # SOPHA1 MFR # PHA-1
Sony PHA-1 Portable Headphone Amplifier and USB DAC

Sony PHA-1 Portable Headphone Amplifier and USB DAC Front View Back View

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Product Highlights

  • 24-Bit/96kHz DAC
  • Built-In Rechargeable Battery
  • 10-Hours of Analog Source Use
  • 5-Hours of Digital Source Use
  • 1x 1/8" Stereo Mini Jack Input
  • 1x Micro-USB Input
  • 1x Dedicated iOS Device Digital Input
  • 1x 1/8" Stereo Ouptut Jack
  • Gain Control Knob
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Price: $499.95

Instant Savings: $150.00

You Pay: $349.95

Questions? Ask our experts:

The Sony PHA-1 Portable Headphone Amplifier and USB DAC can be used for portable audio playback from analog and digital audio sources such as compatible computers or iOS devices. It has a built-in digital to analog converter with asynchronous digital transfer to reduce jitter. It supports sampling frequencies up to 24-bit/96kHz. The PHA-1 has a micro-USB input for use with compatible computers as well as a dedicated digital input for iOS devices. It also supports analog audio sources via its 1/8" stereo mini jack input.

The amplifier comes with a built-in rechargeable battery that provides up to 10-hours of playback when in use with an analog audio source and up to 5-hours of playback with a digital source. Its gain switch provides compatibility with a range of headphones ranging from 8 to 600 ohms. The unit's analog and digital circuits are isolated and housed in an aluminum-shielded case to reduce electrical noise.

UPC: 027242857179
Inputs 1x 1/8" (3.5 mm) Stereo Mini Jack
1x Micro-USB Type B
1x iOS Device Connector
Audio Output 1x 1/8" (3.5 mm) 3-Pole Stereo Mini Jack
Frequency Range Audio In: 10 Hz to 100 kHz (Distortion 0.01% or less @ 1 kHz)
Sampling Frequencies USB Input: 24-bit/96 kHz (maximum)
Impedance 8 to 600 Ω
Maximum Input Audio In: 1 Vrms
Maximum Output 175 mW + 175 mW (8 Ω, 10 % distortion, approximate, with built-in battery)
26 mW + 26 mW (300 Ω, 10 % distortion, approximate, with built-in battery)
Power Source Built-in lithium-ion rechargeable battery
USB power (from PC)
Battery Life Audio In: 10-hours (approximate)
Digital In: 5 hours (approximate)
Charging Time: 4.5-hours (approximate)
Operating Temperature 32 to 104°F (0 to 40°C)
Charging Temperature 41 to 95°F (5 to 35°C)
Voltage Lithium-Ion Rechargeable Battery: DC 3.7 V
USB Power: 5 V
Compatibility Windows 7:
Starter (SP1 or later)
Home Basic (SP1 or later)
Home Premium (SP1 or later)
Professional (SP1 or later)
Ultimate (SP1 or later)

Windows Vista
Home Basic (SP2 or later)
Home Premium (SP2 or later)
Business (SP2 or later)
Ultimate (SP2 or later)

Windows XP
Home Edition (SP3 or later)
Professional (SP3 or later)
Media Center Edition 2004 (SP3 or later)
Media Center Edition 2005(SP3 or later)

Mac OS X (10.5.8 or later)
CPU: Pentium II 266 MHz or better
USB port (USB 2.0 Full Speed)

Note: Unit is not guaranteed to work with the below:
With all or home built computers
With operating systems that are personally upgraded
With multiple operating systems simultaneously
With power-saving functions such as system suspend, sleep, or hibernation on any computer.
Dimensions (W x H x D) 2.6 x 1.0 x 5.1" (6.7 × 2.6 × 13.0 cm) (approximate)
Weight 8 oz (220 g) (approximate)
Packaging Info
Package Weight 1.1 lb
Box Dimensions (LxWxH) 6.2 x 4.0 x 3.3"
Sony PHA-1 Portable Headphone Amplifier and USB DAC
  • 30-Pin to USB Cable
  • Walkman Audio Cable
  • Micro-USB Cable
  • Stereo Mini Cable
  • 4 x Silicone Belts
  • Protection Sheet
  • Limited 1-Year Warranty
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