OPPO HA2se Headphone Amp and DAC
The OPPO HA2se Headphone Amp and DAC is a high resolution portable headphone amplifier with USB DAC for Apple/Android/PC/Mac.
The headphone amp and D A converter High-Resolution Audio is an elegant yet sophisticated portable headphone amplifier with built-in rechargeable battery. This headphone amp/DAC is engineered to enhance music playback from mobile phones and portable music players. And it is conveniently used to charge mobile devices on-the-go and itself can be efficiently charged in 30 minutes.
The genuine leather casing with contrast stitching and bevelled aluminium edges are eye-catching.
- Polish sounding with gutsy performance
- Great for very sensitive In-Ear Monitors to the most power-hungry Over-the-Ears
- Ideal for music on the go
|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||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|
|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|