Comparison OPPO HA-2 SE vs OPPO HA-2
Add to comparison |  |  |
|---|---|---|
| OPPO HA-2 SE | OPPO HA-2 | |
| Outdated Product | from $332.31 up to $430.92 | |
| TOP sellers | ||
| Type | portable | portable |
| DAC | ESS Sabre32 Reference ES9028-Q2M | Sabre ES9018-K2M |
Specs | ||
| DAC sample rate | 384 kHz | 384 kHz |
| DAC bit depth | 32 bit | 32 bit |
| Headphone impedance | 16 – 300 Ohm | 16 – 300 Ohm |
| Power (300 Ohm) | 30 mW | 30 mW |
| Power (32 Ohm) | 220 mW | 220 mW |
| Power (16 ohm) | 300 mW | 300 mW |
| Frequency range | 20 – 200000 Hz | 20 – 200000 Hz |
Functions and features | ||
| IPhone/iPad connection |  | |
| Gain Control | | |
| Bass control | | |
| Level adjustment | wheel | wheel |
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 life | 13 h | 13 h |
General | ||
| Metal body | | |
| Dimensions | 68x137x12 mm | 68x137x12 mm |
| Weight | 175 g | 175 g |
| Added to E-Catalog | december 2017 | august 2015 |
Compare OPPO HA-2 SE and HA-2
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Glossary
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.
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.