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OPPO HA-2SE Portable Headphone Amplifier & USB DAC

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  • Updated version of acclaimed high-resolution headphone amp & DAC

  • USB DAC for Apple, Android, PC and MAC

  • New and improved ESS Sabre 9028 DAC chip

  • Hybrid Class AB Amplifier with clean signal path

  • Mobile power bank for charging portable devices

OPPO HA-2SE Portable Headphone Amplifier & USB DAC

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OPPO HA-2SE

OPPO HA-2SE is an elegant yet sophisticated portable headphone amplifier with a built-in rechargeable battery. This reworked version incorporates the new Sabre32 Reference DAC chip and a modified gain structure to its amplifier section. Featuring hybrid class AB amplification and a USB DAC that supports PCM DSD, the HA-2SE offers high performance digital-to-analogue conversion for smartphones.

Headphones, from very sensitive IEMs to the most power-hungry over-the-Ears, can all benefit from the HA-2SE’s excellent performance and powerful amplification. The HA-2SE turns a smartphone into a high performance digital audio player. The asynchronous USB DAC input of the HA-2SE also works with PC and Mac computers to replace the built-in sound card and support high-resolution audio playback with PCM.

Housed in an aluminium chassis wrapped in genuine leather and beveled metal edges and contrast stitching on the leather of the HA-2SE are eye-catching. Its fit and finish will instill a sense of pride when using the product. OPPO HA-2SE meshes equally well in the pocket of an urban Millennial or on the desk of a business executive.

High-resolution audio meets style.

 

OPPO HA-2SE

 

Hybrid Class AB Amplifier
Delivering the full potential when power is required the HA-2SE's power amplification circuit for the headphones is Class AB built with integrated circuits and discrete transistors. The output transistors are biased to operate in their most linear range for the critical small signal.

ESS Sabre32 Reference DAC
A DAC is one of the most important components for digital audio playback. With the ESS patented 32-bit Hyperstream DAC architecture and Time Domain Jitter Eliminator, the SABRE32 Reference DAC delivers an unprecedented performance for mobile applications.

Made for Apple
Compatible with the latest iPod, iPhone and iPad to be used as the digital audio output accessory of these devices. By tapping directly into the digital audio signal of these devices and converting the audio to analogue music from your favourite portable device will sound its best.

Compatible with Android
HA-2SE’s micro-USB input port works with Android devices that support USB OTG. When used with a compatible Android device, the HA-2SE can support the device's built-in music app, tones and notifications. A high-resolution music playback app can use the HA-2SE as its external DAC to play lossless PCM and DSD audio files.

 

OPPO HA-2SE

 

REVIEWS

 

What Hi-Fi? Sound & Vision Celebrates OPPO HA-2SE with 5 Star Review

What Hi-Fi?

“There’s now more expression and openness at the higher and lower frequencies, making the delivery tighter and more precise.”

 

FEATURES

  • New and improved ESS Sabre 9028 chip
  • Modified gain structure to amplifier section reduces noise floor
  • Hybrid Class AB Amplifier with clean signal path
  • Bass boost option and two gain settings
  • Compatible with Apple and Android devices
  • Functions as external battery bank to charge devices

 

OPPO HA-2SE

 

TECHNICAL SPECIFICATIONS

General

  • Dimensions (W x H x D): 2.7 x 5.375 x 0.5 inches, 68 x 137 x 12 mm
  • Weight : 175g
  • Frequency Response: 20Hz - 200kHz
  • Audio-in Level: 1 Vrms
  • Line-out Level: 1 Vrms
  • Recommended Headphone Impedance: 16Ω - 300Ω
  • Maximum Headphone Output Power (Per Channel): 300mW into 16Ω / 220mW into 32Ω /30mW into 300Ω
  • Headphone Amplifier Output Impedance: 0.5Ω
  • Output Jacks: 3.5 mm stereo headphone / 3.5 mm stereo line-out
  • Analogue Input Ports: 3.5mm stereo audio-in
  • Digital Input Ports: USB A for iPod / iPhone / iPad; USB micro-B for smartphones with USB OTG feature and computers.
  • DAC Chip: ESS Sabre32 Reference ES9028-Q2M
  • Input Format: Stereo PCM, Stereo DSD (DoP v1.1 or native)
  • PCM Sampling Frequencies: 44.1kHz - 384kHz, 16 / 24 / 32-bit
  • DSD Sampling Frequencies: 2.8224MHz (DSD64), 5.6448MHz (DSD128), 11.2896MHz (DSD256, native mode only)
  • Profile: USB 2.0, USB Audio 2.0

Battery

  • Built-in Battery type: 3000mAh lithium polymer rechargeable battery
  • Battery Operation Time: Approx. 13 hours for analogue source via Audio-in; approx. 7 hours for digital sources via USB
  • Charging Time: Approx. 1 hour 30 minutes

 

PACKAGE INCLUDES

  • OPPO HA-2SE Headphone Amplifier & DAC
  • Power supply unit (rapid charger)
  • USB micro-B data and rapid charging cable
  • Lightning data cable (for Apple devices)
  • USB micro-B to micro-B data cable (for Android and other smartphones)
  • 3.5mm to 3.5mm stereo audio cable
  • Silicone rubber bands (2 pieces)
  • User guide and warranty documents

 

BrandOPPO
Product TypeDAC / Headphone Amplifier
ColourBlack
Feature KeywordNo
Recommended UseNo
Manufacturer Warranty1 Year
Included AccessoriesPower supply, USB micro-B CABLE, Lightning data cable, USB micro-B to micro-B data cable, 3.5mm to 3.5mm audio cable, Silicone rubber bands (2 pieces), User guide and warranty documents
Part NumberHA-2SE
GTIN898072002479

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