Oppo HA-1 Headphones amplifier and DAC USB

Oppo HA-1

HA-1

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1 499,00 EUR

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Quick Overview:

Oppo HA-1 Headphones audio amplifier and DAC USB. The analog audio section is a fully balanced design with an emphasis on keeping the audio signal in the analog domain once it leaves the DAC. The fully balanced Class A power amplification section uses hand-picked and paired discrete components to ensure symmetry.

More details

Oppo HA-1. Headphones Amplifier and DAC.


AMP&DAC USB ANALYSIS

The HA-1 is especially suitable for high-resolution digital audio playback. Its digital inputs include coaxial, optical, balanced AES/EBU, and an asynchronous USB DAC. It is easy to connect the HA-1 to digital audio players or to a computer running the listener’s favorite playback software. The USB DAC supports PCM audio up to 384 kHz 32-bit resolution and DSD audio up to 256x the CD sample rate. The same ESS 9018 Sabre32 Reference DAC and output driving stage used in OPPO audiophile Blu-ray players ensure extremely low noise and low distortion performance. The HA-1 is compatible with Apple’s iPod, iPhone and iPad for use as an external DAC, enabling the listener to directly tap into digital music played from these devices. For additional convenience, the Bluetooth audio transport with high quality aptX CODEC sets music free from your mobile phones with a performance boost.

OPPO designs the HA-1 headphone amplifier with the same versatile approach as the Blu-ray players. The HA-1 is a high performance headphone amplifier, and it doubles as an asynchronous USB DAC, a stereo pre-amplifier, a digital audio dock for mobile devices, and a Bluetooth audio transport. Users have a choice of using the 4-pin balanced XLR or the traditional quarter-inch headphone jack. Line level analog inputs and outputs are provided with both RCA and balanced XLR sockets.

The HA-1 sports a classic design with contemporary elements. It is a desktop component housed in an aluminum chassis, and the familiar volume and source selection knobs are complemented by a 4.3-inch color screen for easy operation. While music is playing, the screen can show a classic VU meter, a modern spectrum display, or detailed technical information about the audio signal. A supplied IR remote and a smartphone app provide complete control and convenience.

Class A Headphone Amp and Pre-Amp
Fully balanced analog inputs and outputs, purely analog volume control, and an adjustable headphone gain switch.

Toroidal Power Supply
A custom OPPO transformer provides clean power with plenty of energy reserves.

Mobile Device Support
Bluetooth with Apt-X codec for high quality wireless audio and a USB input for mobile phones and tablets.

ESS 9018 Sabre32 Reference DAC
High resolution performance with extremely low noise and distortion.

High Definition Audio Support
Numerous digital inputs including coaxial, optical, AES/EBU, and an asynchronous USB DAC input that supports PCM, DSD64 and DSD128.

Display Driven Interface
Physical volume and source selection knobs frame a 4.3-inch display for easy operation.


Characteristics

  • Discrete Class A Balanced Headphone Amplifier
  • Asynchronous USB DAC Up to 384 kHz and DSD256
  • Stereo Pre-Amplifier with Home Theater Bypass
  • Compatible with iPod/iPhone/iPad and Bluetooth


Specs

  • Dimensions: (WxHxD) 254x91x333mm
  • Weight: 5.9 kg
  • Power Suppl: AC 110-120 V~ / 220-240 V~, 50/60 Hz auto-sensing
  • Power Consumption: 70 W (operation), 0.5 W (standby)
  • Trigger Input: 3.5 V – 15 V, 10mA minimum
  • Trigger Output: 12 V, 100 mA maximum
  • Operating Temperature: 41 °F - 95 °F, 5 °C - 35 °C
  • Operating Humidity: 15% - 75% No condensation
  • Recommended Headphone Impedance: 32 ohm – 600 ohm
  • Balanced Headphone Jack Output (XLR-4) Pin order 1: L+, 2: L-, 3: R+, 4: R-, Shell: GND
  • 6.35 mm Headphone Jack Output Pin order Tip: L, Ring: R, Sleeve: GND


XLR Balanced Audio Input

  • Input Impedance: 15k ohm
  • Maximum Input Level: 18 Vrms, +27.3 dBu (0 dBu = 0.775 Vrms)


RCA Stereo Audio Input

  • Input Impedance: 10k ohm
  • Maximum Input Level: 9 Vrms, +21.3 dBu (0 dBu = 0.775 Vrms)


Coaxial, Optical, AES/EBU Digital Inputs

  • Input Format: Stereo PCM
  • Sampling Frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
  • Word Length: 16-bit, 24-bit


USB DAC Audio Input (USB B Type)

  • Input Format: Stereo PCM, Stereo DSD (DoP v1.1 or native)
  • PCM Sampling Frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz
  • PCM Word Length: 16-bit, 24-bit, 32-bit
  • DSD Sampling Frequencies: 2.8224 MHz (DSD64), 5.6448 MHz (DSD128), 11.2896 MHz (DSD256, native mode only)
  • Profile: USB 2.0, USB Audio 2.0


Mobile USB Audio Input (USB A Type)

  • Input Format: Stereo PCM
  • PCM Sampling Frequencies: 44.1 kHz, 48 kHz
  • Profile: USB 2.0, USB Audio 2.0
  • VBUS Power Output: +5 V, 2.1 A


Bluetooth Audio Input

  • Standard: Bluetooth 2.1+EDR
  • Profile: iAP, SPP, AVRCP, A2DP
  • Audio Transmission Format: SBC, aptX


 
Oppo HA-1

Oppo HA-1

Oppo HA-1 Headphones audio amplifier and DAC USB.  The analog audio section is a fully balanced design with an emphasis on keeping the audio signal...

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Oppo HA-1 <p><strong>Oppo HA-1 Headphones audio amplifier and DAC USB. </strong>The analog audio section is a fully balanced design with an emphasis on keeping the audio signal in the analog domain once it leaves the DAC. The fully balanced Class A power amplification section uses hand-picked and paired discrete components to ensure symmetry.</p> 1499

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