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Oppo HA-2 Portable Headphone Amplifier / USB DAC

Product Code: OPPO-HA-2

Availability: In Stock - Available for next day delivery

Only £259.00

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HA-2 is a brand new Hi-Fi portable amplifier and USB DAC from OPPO. It draws upon the success of the HA-1 desktop headphone amplifier and is optimised for portable use. Featuring a hybrid class AB amplifier and a USB DAC supporting up to 384khz PCM and DSD256 audio input, HA-2 offers high performance digital-to-analogue conversion for Apple's iPhone / iPad / iPod, Android devices with USB OTG, PC and Mac computers. Upon the ultra-slim "book" design, the HA-2 comes with all-aluminium structure combined with leather wrapped, highlighting a personalised lifestyle and offering remarkable grip comfort. HA-2 features OPPO VOOC rapid charging with 3000mAh lithium battery built in and supports power bank functionality for mobile devices, making it a true companion for music on the go.


  • Ultra-slim design combined with sturdy aluminium structure and leather wrapped
  • Digital-to-Analogue conversion by ESS Sabre32 Reference ES9018-K2M DAC chip
  • Supports PCM Audio up to 384 khz / 32-bit, DSD audio up to 11.2Mhz
  • Supports multiple device types for digital-to-analogue conversion via USB:

                - iPad / iPhone / iPod

                - Android with USB OTG feature

                - PC and Mac computers

  • Stereo headphone output and line-out
  • Two gain settings for optimal headphone matching
  • Bass boost
  • 3000 mAh lithium polymer rechargeable battery
  • OPPO VOOC rapid charging to recharge 70% battery in 30mins
  • Mobile power band for charging other mobile devices


(W x H x D)

2.5 x 6.2 x 0.5 inches,

68 x 157 x 12 mm


6.2 oz, 175 grams

Frequency Response

20 Hz – 200 kHz

Audio-in Level

1 Vrms

Line-out Level

1 Vrms

Maximum Headphone

Output Power

300 mW into 16 Ohm;

220 mW into 32 Ohm;

30 mW into 300 Ohm;

Output Jacks

3.5 mm stereo headphone;

3.5 mm stereo line-out;

Input Ports

3.5 mm stereo audio-in;


USB micro -B;

DAC Chip

ESS Sabre 32 Reference ES9018 -K2M

Input Format

Stereo PCM, Stereo DSD (DoP v1.1 or native)

PCM Sampling Frequencies

44.1 kHz - 384 kHz, 16 / 24 / 32 -bit

DSD Sampling Frequencies

2.8224 MHz (DSD64), 5.6448 MHz (DSD128)

11.2896 MHz (DSD256, native mode only)


USB 2.0, USB Audio 2.0

Built -in Battery type

3000 mAh lithium polymer rechargeable battery

Battery Operation Time

Approx. 13 hours for analogue source via Audio-in;

Approx . 7 hours for digital source s via USB

Charging Time

Approx. 1 hour 30 minutes

Additional Info

Additional Info

Product Weight 0.18
Brand OPPO

Returns Information

If you are not completely satisfied with your purchase you can return the item(s) to us within 14 days of receipt and we will issue a full refund. This includes any delivery charge but excludes the cost of return postage. Items can only be returned or exchanged provided they are in a re-saleable condition. Please view our Easy Returns page for our full returns policy.

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