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€ 299.00

Retail Price € 399.00

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Product information

Find more about OPPO HA-2SE Portable Headphone Amplifier

Designs and specifications are subject to change without notice. 

General: 
Dimensions (W x H x D), 2.7 x 5.375 x 0.5 inches, 68 x 137 x 12 mm 
Weight, 6.2 oz, 175 grams 
Frequency Response, 20 Hz - 200 kHz 
Audio-in Level, 1 Vrms 
Line-out Level, 1 Vrms 

Recommended Headphone Impedance: 16 Ohm - 300 Ohm 

Maximum Headphone Output Power (Per Channel): 
300 mW into 16 Ohm 
220 mW into 32 Ohm 
30 mW into 300 Ohm 

Headphone Amplifier Output Impedance: 0.5 Ohm 

Output Jacks: 
3.5 mm stereo headphone 
3.5 mm stereo line-out 

Input Ports, Analog: 3.5 mm stereo audio-in 
Digital: 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, 44.1 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) 

Profile: 
USB 2.0, USB Audio 2.0 

Included Accessories: 
Power Supply Unit (Rapid Charging Charger) 
USB A - USB micro-B data and rapid charging cable 
USB A - Lightning data cable (for Apple devices) 
USB micro-B to micro-B data cable (for Android and other smartphones) 
3.5 mm - 3.5 mm stereo audio cable 
Silicone rubber band (2 pieces) 
User guide and warranty documents 

Battery:  
Built-in Battery type, 3000 mAh lithium polymer rechargeable battery 
Battery Operation Time, Approx. 13 hours for analog source via Audio-in; approx. 7 hours for digital sources via USB 

Charging Time: Approx. 1 hour 30 minutes 

HA-2SE

Portable Headphone Amplifier and DAC

High-resolution USB DAC for Apple/Android/PC/Mac

ESS Sabre32 Reference ES9028-Q2M DAC chip

Mobile power bank for charging your phone

Hybrid Class AB Amplifier
The HA-2SE's power amplification circuit for the headphones is Class AB built with integrated circuits (ICs) and discrete transistors. The discrete transistor output stage uses hand-picked and matched parts. The output transistors are biased to operate in their most linear range for the critical small signal, and deliver their full potential when power is required.

Asynchronous USB DAC 
By bypassing the smartphone's built-in DAC and headphone amplification circuit that are often cost-constrained, 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 up to 384 kHz 32-bit and DSD up to 12 MHz (DSD256).

Two Gain Settings
The HA-2SE offers two gain level settings for optimal headphone matching. The High Gain mode is capable of driving large power-hungry headphones, delivering up to 300 mW into 16-Ohm headphones. The Low Gain mode is intended for sensitive In-Ear Monitor type earphones.

 
 

High-Resolution Audio Meets Style and Design


HA-2SE is an elegant yet sophisticated portable headphone amplifier with a built-in rechargeable battery. It is engineered to enhance music playback from mobile phones and portable music players.
Its genuine leather casing with contrast stitching and bevelled aluminium edges are eye-catching. And it is conveniently used to charge mobile devices on-the-go and itself can be efficiently charged in 30 minutes.

 
 

Polished-sounding, gutsy performer


High-resolution USB DAC for Apple/Android/PC/Mac
ESS Sabre32 Reference ES9028-Q2M DAC chip

Featuring hybrid class AB amplification and a USB DAC that supports 384 kHz PCM and DSD256, the HA-2SE offers high performance digital-to-analogue conversion for Apple’s iPhone/iPod products, a wide range of Android devices, PC and Mac computers.

For music on the move


Headphones, from very sensitive In-Ear Monitors to the most power-hungry Over-the-Ears, can all benefit from the HA-2SE’s excellent performance and powerful amplification.

 
 

Hybrid Class AB Amplifier


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

ESS Sabre32 Reference DAC


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.

Asynchronous USB DAC
HA-2SE turns a smartphone into a high performance digital audio player. The asynchronous USB DAC input also works with PC and Mac computers to replace the built-in sound card and support high-resolution audio playback with PCM up to 384 kHz 32-bit and DSD up to 12 MHz (DSD256).

 
 

Clean Signal Path


The HA-2SE provides a clean signal path for the audio by avoiding re-digitizing the audio signal for volume adjustment or bass boost.

Rapid Charging
The HA-2SE features patented VOOC rapid charging technology from OPPO. Using the supplied rapid charger the internal battery can be quickly and safely charged to 70% capacity in about 30 minutes.

Build Quality


The HA-2SE is housed in an aluminium chassis wrapped in genuine leather. The bevelled metal edges and contrast stitching on the leather are eye-catching. The HA-2SE fits equally well in the pocket of an urban millennial or on the desk of a business executive.

 
 

Made for iPad®, iPhone®, iPod®, and Compatible with Android


The HA-2SE is both compatible with the latest iPod, iPhone, iPad and Android devices that support USB OTG (USB On-The-Go) and USB Audio Class. Music from your favorite portable device will sound its best.

Mobile Power Bank

The HA-2SE functions as an external battery pack to charge your mobile device. You can ditch the bulky spare battery pack and carry just the HA-2SE with your mobile phone

Audio-in and Line-out


The HA-2SE has a 3.5 mm Audio-in port to support portable music players that do not have a USB-compatible digital output. While the HA-2SE is used with one of its USB digital input ports, the 3.5 mm jack acts as line-out for the USB DAC.

Two Gain Settings
The HA-2SE offers two gain level settings for optimal headphone matching, the High Gain mode for driving large power-hungry headphones and the Low Gain mode for sensitive In-Ear Monitor type earphones.

Bass Boost
The HA-2SE offers a Bass Boost function for those who like a bit more punch and impact with their music.