Yamaha RX-A8A AVENTAGE 11.2-Ch AV Receiver with 8K HDMI & Dolby Atmos
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Yamaha RX-A8A AVENTAGE 11.2-Ch AV Receiver with 8K HDMI & Dolby Atmos
Overview
The RX-A8A sits at the top of Yamaha's AVENTAGE line, built for the largest and most demanding home theatre installations with 11.2 channels of processing and four independent zones.
The RX-A8A is an 11.2-channel AV receiver rated at 150W per channel (8 ohms, 20Hz-20kHz, two channels driven), built around two ESS Hyperstream ES9026PRO DACs for high-resolution playback. Surround:AI adjusts Cinema DSP HD3 processing scene by scene, and the receiver decodes Dolby Atmos, DTS:X, and Auro-3D, plus Dolby Atmos Height Virtualization.
Video runs through 7 HDMI inputs and 3 outputs at up to 4K120 and 8K60, with HDR10+, Dolby Vision, ALLM, and VRR. YPAO Multipoint calibration adds 3D measurement, 64-bit high-precision EQ, and angle measurement, and 11.2-channel preouts support Zone 2, Zone 3, and Zone 4 output with HDMI zone video and Zone B. Balanced XLR terminals, a phono input, and MusicCast round out the connections.
Simcoe Audio Video Insight
For a Central Ontario client building a dedicated theatre plus whole-home zones from a single receiver, the RX-A8A's four independent zones are the differentiator over the RX-A6A — it's the only AVENTAGE model that adds a fourth zone.
More Info
Why the Yamaha RX-A8A Stands Out
Dual ESS Hyperstream DAC Design
Two ES9026PRO DACs handle high-resolution audio conversion across all channels.
Surround:AI with Dolby Atmos, DTS:X & Auro-3D
Scene-by-scene processing adjustment plus decoding for all three major object-based and 3D surround formats.
YPAO Multipoint Room Calibration
3D calibration with 64-bit high-precision EQ, angle measurement, and R.S.C. room correction.
8K/4K120 HDMI with Three Outputs
7 HDMI inputs and 3 outputs support 4K120, 8K60, HDR10+, Dolby Vision, ALLM, and VRR.
Four Independent Zones
Zone 2, Zone 3, and Zone 4 audio, plus HDMI zone video and Zone B output.
Balanced XLR Terminals
Balanced connections for a cleaner two-channel signal path in high-end setups.
Buyer's Guide
Who It's For
- The Whole-Home Integrator: wants four independent zones from a single receiver.
- The Format Purist: wants Auro-3D decoding alongside Dolby Atmos and DTS:X.
- The Flagship Seeker: wants the highest channel count and most complete feature set in Yamaha's AVENTAGE line.
How It Compares
The RX-A8A tops the AVENTAGE line at 11.2 channels, adding a fourth zone over the RX-A6A while matching its 150W per channel output, dual-DAC design, and Auro-3D decoding. The RX-A6A remains the better fit for most three-zone installations, with the RX-A8A reserved for the largest, most elaborate systems.
Yamaha RX-A8A AVENTAGE 11.2-Ch AV Receiver with 8K HDMI & Dolby Atmos Specifications
| General Information | |
|---|---|
| Model | Yamaha RX-A8A |
| Series | AVENTAGE |
| Channels | 11.2 |
| Amplifier | |
| Rated Output Power (2ch Driven, 20Hz–20kHz) | 150W per Channel (8 Ohms, 0.06% THD) |
| High Slew Rate Amplifier | Yes |
| DA Converter | 384kHz/32-bit ESS Hyperstream DAC ES9026PRO x2 |
| Surround & Audio Processing | |
| Cinema DSP | Cinema DSP HD3, 24 DSP Programs |
| Surround:AI | Yes |
| Surround Formats | Dolby Atmos, Dolby Atmos Height Virtualization, Dolby TrueHD, Dolby Digital Plus, Dolby Surround, DTS:X, DTS-HD Master Audio, Auro-3D |
| YPAO Room Calibration | YPAO Multipoint with R.S.C., 3D, 64-bit High Precision EQ, and Angle Measurement |
| High-Res File Support | ALAC up to 96kHz/24-bit, FLAC up to 384kHz/24-bit, WAV/AIFF up to 384kHz/32-bit, DSD up to 11.2MHz |
| High-Resolution Music Enhancer | Yes |
| Phono Input | Yes |
| Video | |
| HDMI Input/Output | 7 In / 3 Out (HDMI 2.1, HDCP 2.3) |
| HDMI Pass-Through | 4K120AB, 8K60AB, 4K60, 40Gbps |
| HDR Support | Dolby Vision, HDR10+, HLG |
| Gaming Features | ALLM, VRR |
| eARC | Yes |
| Component Video Input/Output | 1 / 0 |
| Composite Video Input/Output | 2 / 0 |
| Connectivity | |
| Wi-Fi | Yes (2.4/5GHz) |
| Bluetooth | Yes (SBC/AAC) |
| AirPlay 2 | Yes |
| MusicCast Surround | Yes |
| XLR Terminal | Yes |
| Digital Audio Inputs | 3 Optical, 2 Coaxial |
| Analog Audio Inputs | 6 |
| Preout | 11.2-Channel |
| Zone Control | Zone 2 (Preout/HDMI), Zone 3 (Preout), Zone 4 (HDMI), Zone B |
| USB Input | Yes |
| Network Port | Yes |
| Physical Specifications | |
| Dimensions (W x H x D) | 17-1/8" x 7-1/2" x 18-3/4" (Antenna Up: 17-1/8" x 10-5/8" x 18-3/4") |
| Weight | 47.2 lbs |
| Standby Power Consumption | <0.4W (IR Only) |