Oppo Digital HA-2 Portable Headphone Amplifier and D/A converter
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| Condition | |
| Payment methods |     |
| Ships from | Nassau, NY, 12123 |
| Ships to | United States |
| Package dimensions | unspecified |
| Shipping carrier | USPS |
| Shipping cost | Free |
 Average | Research Pricing |
Gently used for about a year and a half. In perfect running condition and looks very good. I have the cables it came with but not the original box, instructions, and rubber bands.
The HA-2SE is an elegant yet sophisticated portable headphone amplifier with built-in rechargeable battery. It is engineered to enhance music playback from mobile phones and portable music players. Aesthetically, the HA-2SE does not look like a typical or generic electronic device.
SPECIFICATIONS
Dimensions WxHxD: 2.7x5.375x0.5 inches, 68x137x12 mm
Weight: 6.2 oz, 175 grams
Frequency Response: 20 Hz - 200 kHz
Audio-in Level: 1 Vrms
Line-out Level: 1 Vrms
Headphone Impedance: 16 Ohm - 300 Ohm
Max 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 Freq: 2.8224 MHz (DSD64), 5.6448 MHz (DSD128), 11.2896 MHz (DSD256, native mode only)
Profile: USB 2.0, USB Audio 2.0
Built-in Battery: 3000 mAh lithium polymer
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
INCLUDED ACCESSORIES
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
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Return Window
Item can be returned within 7 days of receipt.
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General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
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