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Comparison OPPO HA-2 SE vs OPPO HA-2

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OPPO HA-2 SE
OPPO HA-2
OPPO HA-2 SEOPPO HA-2
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from $332.31 up to $430.92
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Typeportableportable
DACESS Sabre32 Reference ES9028-Q2MSabre ES9018-K2M
Specs
DAC sample rate384 kHz384 kHz
DAC bit depth32 bit32 bit
Headphone impedance16 – 300 Ohm16 – 300 Ohm
Power (300 Ohm)30 mW30 mW
Power (32 Ohm)220 mW220 mW
Power (16 ohm)300 mW300 mW
Frequency range20 – 200000 Hz20 – 200000 Hz
Functions and features
IPhone/iPad connection
Gain Control
Bass control
Level adjustmentwheelwheel
Connectors
Inputs
mini-Jack (3.5 mm)
USB (OTG)
USB C
mini-Jack (3.5 mm)
USB (OTG)
USB C
Outputs
mini-Jack (3.5 mm)
mini-Jack (3.5 mm)
Headphone outputs
1x mini-Jack (3.5 mm) шт
1x mini-Jack (3.5 mm) шт
Power source
Power type
battery powered
USB powered
power bank mode
battery powered
USB powered
power bank mode
Battery life13 h13 h
General
Metal body
Dimensions68x137x12 mm68x137x12 mm
Weight175 g175 g
Added to E-Catalogdecember 2017august 2015
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DAC

DAC model — a digital-to-analogue converter installed in the amplifier.

In accordance with the name, the DAC is responsible for converting a digital signal (for example, coming to the optical input or USB, see "Inputs") into an analogue format, with which the amplifier directly works. The presence of such a converter in an external "amplifier" is important, given the fact that many popular signal sources — such as smartphones or built-in sound cards — are equipped with fairly simple and inexpensive DACs with low sound quality; on external equipment, this quality can be much higher. And the quality of the conversion and, accordingly, the characteristics of the output sound directly depend on the characteristics of the DAC: even the most advanced power amplifier will not “save” a signal converted with significant errors. Accordingly, knowing the converter model, you can find detailed data on it — from official specifications to practical reviews — and evaluate how an amplifier with such a module meets your requirements.
OPPO HA-2 SE often compared
OPPO HA-2 often compared