Open Box Electronics For Sale
Open Box Electronics For Sale

Sony PHA–1A | Portable Hi–Res DAC w/ headphone amp (Open Box)

  • Compact and lightweight for easy portability and use
  • Hi–Res audio DAC/amplifier supports PCM 192kHz/24 bit
  • Direct Digital Connection for smartphones, iOS devices, and PCs
  • Wolfson DAC w/separate operational & headphone amps

Regular Price: $299.99

You Save $71 (24%)

Your Price: $228.92

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Details & Highlights

What is Open Box?

Open Box items are products that have been returned to us by customers, or were on display in our retail store. In most cases these items are in as-new condition. Although occasionally they may have had a minor defect repaired, these items are fully operational to manufacturer specifications. Open Box items include all supplied accessories and carry the full **manufacturer's warranty.
  • ** Excludes Definitive Technology, Monster, Beats by Dr. Dre, Klipsch and Onkyo products.
  • Availability is limited to stock on hand.
  • Open Box items are sold on a first-come first-served basis.
  • For more details please don't hesitate to give us a call at 1.800.340.4770

Product Highlights

    Pocketsize Hi–Res Audio performance

    Hi–Rez music doesna??t have to come from an expensive sound system. With the Sony PHA1A Headphone DAC Amplifier youa??ll enjoy audio performance with 14x the detail of MP3s in a compact and highly portable DAC (Digital to Analogue Converter). With standard USB and microUSB input options the PHA1A is compatible with a variety of digital devices including your iPod, iPhone or iPad, Walkman, Xperia and PC. A built–in Lithium–ion battery gives you up to 6 hours of playback or use the additional microUSB port for charging. A Wolfson DAC with separate operational and headphone amps is protected by a durable aluminum housing with alloy bumpers designed to protect the volume knob from external impact.

Details from Sony

    14x the detail of MP3s.

    Providing a high–resolution audio experience, the PHA–1A portable headphone DAC/amplifier affords powerful sound for headphones and can decode a variety of Hi–Res PCM audio file formats up to 192kHz/24–bit format.

    Multiple connection options.

    Compatible with a wide array of digital sources, including smartphones, Apple iOS devices and personal computer. The PHA–1A includes a full–sized USB type A connection, ideal for digital interconnectivity to compatible iOs and other devices, while a second microUSB is handy for digital interconnectivity with compatible Walkman® or Xperia® devices. Charge the PHA–1A with the third microUSB connector with the optional USB AC adapter or USB port from your computer.

    High–quality amplification circuits.

    The WM8740 Wolfson DAC samples PCM audio up to 192 kHz/24 bit and the LME49860 operational amp delivers outstanding signal & performance with ultra–low distortion, low noise & high slew rate. A high–bandwidth TPA6120 headphone amp minimizes noise, delivering more than 120 dB of dynamic range to ensure music is heard with every detail.

    Super–smooth audio.

    An internal, asynchronous USB 2.0 clock supports the highly accurate conversion of digital signals to analog sound. Further reducing timing errors, the precision clock signal generator converts digital signals into analog waveforms. The result is superior audio performance with minimal noise and distortion.

    Built to last.

    Every component in the utilized in the contruction of the portable high–resolution DAC/Headphone Amp, is designed to protect the delicate circuitry from interference and impacts. Alloy bumpers prevent the volume knob from sustaning anexternal impact.

    Rechargeable Lithium–ion battery.

    The internal rechargeable battery provides approximately 6 hours of hi–res music playback when connected digitally via USB input.1

    Flexible headphone support.

    A two position, side mounted gain switch allows you to optimize amplifier output level to match varying headphone impedances ranging from 8 to 600 Ohm. Select between Low or High settings to maximize your listening experience.


Features & Specs

Best Seller
Manufacturer's Warranty
    1 Year Limited Warranty
Detailed Specifications


    Inputs and Outputs
  • Digital Audio Input(s): Inputs (2):

  • General Specifications

    Amplifier Section
  • Impedance: Supported impedance:

  • Audio
  • Distortion: 0.01% or less (1 kHz)
  • Frequency Response: 10 Hz – 100 kHz
  • Sampling Frequency: PCM (PC connection Maximum 192kHz/24–bit)
  • Volume Control: Rotary

  • General
  • Case Type: Aluminum chassis
  • Impedance: Supports:
  • Power On/Off: Integrated:
  • Type of Use: Portable and Home

  • General Specifications
  • Recharging time: Approx. 3.5 hours (Connected to PC) Approx. 2 hours (Via AC–UD10, USB AC Adaptor, sold separately)

  • Inputs and Outputs
  • DC–In: Inputs (1):
  • Digital Audio Input(s): Inputs (2):
  • Output(s): Output (1):

  • Power
  • Battery Charging (Approx): When connected to computer:
  • Battery Indicator: Red LED when charging
  • Battery Life (Approx): Approx. 6 hours
  • Battery Type: Built–in Lithium ion rechargeable battery
  • Output Power: Maximum output (when using built–in lithium–ion battery):
  • Approx. 148mW+148mW (8 Ω, 10% distortion)
  • Approx. 80mW + 80mW (32 Ω, 1% distortion)
  • Approx. 26mW+26mW (300 Ω, 10% distortion)
  • Power Source: DC 3.7 V:

  • Weights and Measurements
  • Dimensions (Approx.): 62 mm × 18.5 mm × 1490 mm (2.4" × .73" × .22")
  • Weight (Approx.): Approx. 5.11 oz. (145 g) – rechargeable battery included

  • In The Box
  • PHA–1A
  • Operating instructions
  • Quick Start Guide
  • Digital cable for Walkman
  • Digital cable for Xperia
  • Micro–USB cable
  • Protection sheet
  • Silione belt × 2
Product Bullets
  • Compact and lightweight for easy portability and use
  • Hi–Res audio DAC/amplifier supports PCM 192kHz/24 bit
  • Direct Digital Connection for smartphones, iOS devices, and PCs
  • Wolfson DAC w/separate operational & headphone amps


Included Coverage from Sony: 1 Year Limited Warranty

Category ID: 133 | $228.92