Oppo HA-2 - Manual (Page 15)

16. Specifications
General
Dimensions
(W x H x D)
2.5 x 6.2 x 0.5
inches,
68x 157 x 12mm
Weight 6.2 oz, 175 grams
Frequency Response 20 Hz – 200 kHz
Audio-in Level 1 Vrms
Line-out Level 1Vrms @ 0 dBFS
Recommended Headphone
Impedance 16 Ohm – 300
Ohm
Maximum Headphone Output
Power
300 mW into 16
Ohm
220mW into 32
Ohm
30mW into 300
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 Sabre 32
Reference
ES9018-2M
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),11.289
6 MHz (DSD256,