Yamaha's auto-calibration system provides easy, precise home theater setup. Plug in the included microphone and place it in your favorite seat. The RX-A820 quickly analyzes the size, …

It dampens vibrations from the power transformer, power transistors and heat sinks, as well as vibrations that might be caused by the sound from the speakers. This AV receiver's HDMI input/output supports 4K video image pass-through. It also can perform 4K upscaling to boost a lower resolution image to super high-def resolution.

For $700, the Yamaha RX-A720 is a very full featured offering. The next receiver in the line is the RX-A820. It is, again, a seven channel offering but this time with 100 watts per channel. It adds $200 to the price tag (up to $899.95) and 0.2lbs (up to 23.8 lbs.). It also adds two additional HDMI inputs (eight) and a second HDMI output.

Premium quality audio and video performance combines with new technologies like 4K Pass-Through and 4K upscaling, unrivaled surround sound with Dialogue Lift and Dialouge Level Adjustment for perfectly clear dialogue and vocals, AirPlay support, 8 in/2 out HDMI, YPAO Reflected Sound Control (R.S.C.) and ECO mode.

2013年5月26日 · Occupying the lowest rung of Yamaha's elite 'Aventage' range, the RX-A820 is a versatile beast with DSPs galore (an area where Yamaha has a rich history), a claimed 7 x 130W of amplification at your disposal and no fewer than eight HDMI ports. With its £850 price tag it's aimed at those who want something more than just a basic AVR.

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Fortunately, the Yamaha RX-A820 can handle this kind of data as well. Even if you don’t have a 3D or 4K display, getting an AVENTAGE model can still give you major visual improvements. The RX-A820 is capable of processing high quality video with edge adaptive deinterlacing.

Yamaha Aventage RX-A820 was introduced in 2012. It is equipped with 7 channel amplifier with 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It passes 4K/30Hz and upscales up to 4K video signal. We evaluated the a/v receiver and gave 78 overall score out of 100.

Read our comprehensive review of the Yamaha RX-A820. Discover its features, specs, performance, and why it's a top choice for audio enthusiasts.

Inhabiting the bottom rung of Yamaha's elite 'Aventage' range, the RX-A820 is a versatile creature with DSPs galore (a place where Yamaha has a rich history), a claimed 7 x 130W of amplification at your disposal and no fewer than eight HDMI ports. With its GBP850 price tag it's aimed at those who want something more than just a fundamental AVR.