Dd5.1 - Off The Grid

| Component | Model | Peak Power | Efficiency | |-----------|-------|------------|-------------| | Media player | Raspberry Pi 4 + SSD | 6W | - | | DAC/processor | miniDSP 2×4 HD (as preamp) | 3W | - | | Amplifier (5 channels) | 6× TPA3116D2 board (50W×6) | 120W at full volume | 90% | | Subwoofer amp | Bash 300W (digital) | 300W dynamic, 10W idle | 85% | | Speakers (5) | Klipsch RP-500M + Micca RB42 for surrounds | - | 92dB sens | | Subwoofer | DIY 12" passive in sealed box | - | - | | | - | ~140W average listening (75dB) | - |

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. End of report off the grid dd5.1