NAD T 778 (Class-D, 9 channels, ~40W idle) or Marantz NR1711 (slimline Class A/B but still ~280W peak). Ultimately, a DIY 5.1 system using TPA3116 or TAS5630-based boards is most efficient.
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To support DD5.1, the electrical system must be sized correctly: off the grid dd5.1
: A responsive author or publisher that provides updates, additional content, or support for their product can be a significant plus. NAD T 778 (Class-D, 9 channels, ~40W idle)
Start with a power audit. If your daily solar budget exceeds 1 kWh, build the efficient 5.1 system described in Section 5. If not, consider a high-quality 2.1 or virtual surround soundbar (e.g., Sonos Beam with 12V conversion) as a more power-savvy alternative. NAD T 778 (Class-D
Traditional AVRs are inefficient. Replace with: