Yamaha Japan today announced a new series of A/V receivers, the Yamaha RX-A8A, RX-A6A, and RX-A4A are high-end receivers with 11, 9, and 7 channel amplifier configurations, respectively. They will also support the Auro 3D audio format in addition to Dolby Atmos, DTS:X, and much more. The company said that its new generation of AV receivers with HDMI 2.1 will be available in Japan in late July / early August. Yamaha has yet to announce availability details for the US and Europe.

RX-A8A
Equipped with the latest "SURROUND: AI" and "YPAO" that inherit the architecture and materials of Yamaha separate AV amplifiers and adopt Qualcomm ® 64bit SoC. The pinnacle of integrated AVENTAGE with a built-in 11ch power amplifier that pursues the complete form of an AV receiver in a home theater, such as a deep immersive feeling in the image and a sound that never fades.

RX-A6A
Including the excellent functionality inherited from the high-end model, the latest "SURROUND: AI" is installed, "AURO-3D ® " * 1 is supported, and the introduction of a high-quality ESS DAC gives the sound and presence that are the essence of the AV receiver. A high-grade model of AVENTAGE with a built-in 9ch power amplifier created without compromise.

RX-A4A
Based on the AVENTAGE standard high-quality sound design, it is equipped with the latest "SURROUND: AI" and "YPAO" and Yamaha's original cinema DSP HD³.
AVENTAGE with a built-in 7ch power amplifier that allows you to fully enjoy a variety of the latest AV entertainment.

Functional features
1. Realism-Deep spatial depiction unique to Yamaha-
- Unique surround function "SURROUND: AI" that has achieved further evolution through 64-bit arithmetic processing
- A new "AURO-3D ® " * 1 has been added, and a decoder that also supports "Dolby Atmos ® " & "DTS: X ™" is installed.
- One "RX-A8A" can configure a system of up to 11.2ch
- Supports cross-playback of Cinema DSP HD³ and "Dolby Atmos ® " & "DTS: X ™"
- High-precision "YPAO" with 64-bit high-precision EQ that further enhances the viewing environment improvement effect.
- New option mode specialized for low frequency range

2. High sound quality-Tone and dynamic expression that enhances the immersive feeling in the image-
- Anti-resonance technology and newly designed construction that pursues overwhelming vibration damping performance and rigidity
- AVENTAGE standard high-quality sound design with a completely redesigned circuit configuration.
- Achieves a high slew rate that is approximately twice that of the conventional model
- Equipped with two ESS D / A converters "ES9026PRO" (RX-A8A)

3. Advanced features-Maximize the appeal of all video content-
- Equipped with HDMI terminal compatible with the
latest standards * 2 8K50AB / 60AB, 10G / 4L, including VRR, QMS, QFT, ALLM

4. Design-Beauty that appeals to sensibilities, redefining the value of AV receivers-
- High-quality new design with aluminum volume knob and black mirror finish.
- Uses an LC display that also supports Japanese display

5. Network function-Providing cutting-edge fun and new emotions-
- Full network functions such as high resolution playback that also supports WAV / AIFF 384kHz / 32bit & DSD 11.2MHz direct, "Amazon Music HD", "Deezer HiFi" support, etc.
- Supports original wireless network function "MusicCast ® " and voice assistant function "Amazon Alexa"

Source:
1. https://www.flatpanelshd.com/news.php?subaction=showfull&id=1621345156
2. https://www.yamaha.com/ja/news_release/2021/21051301/