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Oppo HA-1 Headphone Amplifier

RRP: $ 1,799.00 AUD
$ 1,699.00 AUD
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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 your favourite 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 you 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.

We designed the HA-1 headphone amplifier with the same versatile approach as our 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 analogue 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 aluminium chassis, and the familiar volume and source selection knobs are complemented by a 4.3-inch colour 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 analogue inputs and outputs, purely analogue 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.

Remote Control App
The OPPO Remote Control app provides a convenient way to control your OPPO HA-1 Headphone Amplifier from your mobile device. You will be able to switch input sources, adjust volume, mute/unmute audio, set the screen brightness level, and even control playback of digital audio sources.

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

Dimensions (WxHxD): 254 x 80 x 333 mm
Weight: 5.9 kg

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