Oppo HA1

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amazon Oppo HA1 reviews

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Design

The first impression for first-time users to admire HA1 no different than couples PM1 and PM2 headset, make sure that the quality and build of advanced hardware systems equip HA1. Heavy, solid, functional property clusters are extremely simple ease of use is a big plus for this amplifier form.

On the front, HA1 is equipped with a 4.3 inch color screen, large enough (even very large among the high-end products) to display sufficient information, from the standard input, the recording quality to to the volume level or sound spectrum display of the music band can be seen very clearly. Joked a little, if the screen is missing, or if Oppo uses a lower quality screen, the aesthetic value of HA1 certainly reduced.

Both sides monitor the two knob. While the volume knob is equipped with a motor to properly display the volume level when using the remote control, the second knob right of the screen is smaller, and use the control mechanism under the rungs to convert desired input mode, or press down on the screen to customize gain mode of the amplifier.

Meanwhile, the number of optional input / output of HA1 is another plus point. Oppo has been extremely generous in providing relatively complete the options for the user, from the ability to connect audio signals via USB, Optical, for digital AES, Balanced XLR and to the RCA for the user analog signal output device. Meanwhile, as input, users also have the choice of output, from RCA, XLR to two 6.3mm headphone port signals and XLR on the front of the device.

Still not over yet, as Oppo even bundled a Bluetooth antenna, allowing users to connect standard mobile devices via a wireless connection and turn the device Oppo become a digital audio signal wireless. Besides, under the volume knob is a USB port for devices running iOS, allowing users to enjoy music comfortably without worry to the connection trouble.

Besides HA1 machines, packaging manufacturers included a remote control, a 6.3mm jack and wire transfer 3.5 to use the same power source for the device. However this is one of two design weaknesses of HA1. If you want to use with the music device connected digital or analog, the user will have to equip themselves with signal cables separately.

Meanwhile, the second disadvantage is at the base of the Oppo HA1. Used showed plenty of heat radiating devices. However, if you add an elevation base 4 between 3 and 5 cm in four feet of the device, it will radiate heat greatly reduced in the face on the amplifier due to the heat sink on the bottom is reinforced.

Taken together, in terms of exterior design, and sensorial, machine from Oppo Digital deserves 9/10 points with solid structure, and almost certainly full of options for the user.

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where can you get a Oppo HA1 online

OPPO HA-1 Headphone Amplifier / DAC / Stereo Pre-amplifier (Black): Buy it now

OPPO HA-1 (JP) [DAC built-in balance drive corresponding headphone amplifier] OPP-HA1JP-B: Buy it now

Sound

Maybe I have to admit one thing, that the digital audio race had faster growth rates compared to what I ever expected. Only two years ago, consumers are very much interested to the compact digital devices, creating both an audio device market with high quality score, the player owning the decoder chip Wolfson audio with 24bit native ability to play music appeared everywhere.

But then the 32-bit era, as well as DSD has started to penetrate into the market. The senior community service of music and get people interested, even early private pleasures of serving their own sound.

Previously, we used to send to you the readers all the details of the review device that allows users to play music as standard IFI Nano native DSD or Aune S16. Oppo HA1, fortunately, is a similar product.

Ownership chip DAC Sabre32 ES9018, HA1 enough power to decode standard audio files without converting DSD to PCM standard, to meet the rigorous demands for connoisseurs of music or the discerning audiophile. But to do this, computer users need to have the help of some of the included software, in my case the DSD ASIO driver. Without such software, HA1 will switch to the standard DSD files to PCM output channels.

Experiments showed that the HA1 reproducing sound has a certain balance in all three bands, thereby bringing balance of music, humor those hard to find products that meet their taste in music. The power of Opamp chip on HA1 relatively well situated to be able to pull the earpiece hard as LCD2 most spoiled, HD800 or K1000, of course, can not compare some superman of the sound world, but it’s still enough to bring shy audio experience fairly good for users. However, at high volume, the sound is not torn, causing discomfort distort sound to the listener.

Experiment with Audeze LCD2 and Sennheiser HD580 showed DAC HA1 good quality, clean background, no noise nuisance during the hearing, which is when the amplifier connected with other HA1 through preamp output for comparison . One thing to remember is that users have the ability to connect HA1 entire home entertainment system, so if you want the volume knob of HA1 stops working, users should choose to Bypass mode eliminate interference HA1 on the volume of the music and to the other amplifier complete its work.

For the HA1’s Opamp chip, as mentioned above, it can not become the only device capable of “plowing” all types of headphones most difficult way, but the sound is still appreciated. In vocal jazz, mid range with a little something gritty, everyday and very natural, while the bass is distributed heavily in mid bass range. Contrabass sounds, the sounds of percussion flickering no depth and thickness as I had expected, which is similar to high-range sound while the soaring piano notes to sharp spikes are not people. But at a certain extent, the sound of HA1 very easy going and feels “laidback” needed for those who enjoy music to relax.

Whether mid thick and mid bass power, but the sounds that recreate HA1 not cramped at all, even when tested with the ear in a compact and sensitive monitor. Airy soundstage, with certain widths, the separate instrument, easy listening has helped the symphony or orchestra music get the quality that listeners expect. However soundstage width of HA1 only when the depth is what people still yearn to enjoy listening to music through the built-in amplifier of this device.

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