Oppo HA-2SE portable headphone amplifier and DAC

07 Feb 2017

The Oppo HA-2SE is a portable headphone amplifier and DAC that is equipped with ESS Sabre's new ES9028-Q2M DAC chip.

Product Specification

Power Output	300 mW into 16 Ohm 220 mW into 32 Ohm 30 mW into 300 Ohm
Amplifier Type	Hybrid Class AB Amplifier
Frequency Range	20Hz - 200,000Hz
I/O 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.
Audio Format Support	PCM: Up to 32-bit/384kHz DSD: Up to DSD256 (11.2896MHz)
Other features	Built-in 3,000mAh power bank
Dimensions	68 x 137 x 12mm
Weight	175g