Analog Domain Apollo.

Analog Domain Apollo solid-state power amplifier in the making. Apollo on the workbench and a photo of the output power board. “The Apollo is the most powerful member of the DX9 range. It is housed in our M4 chassis. Rated at 4,000W into 8 ohms and 8,000W into 4 ohms, the Apollo is one of the most powerful amplifiers ever built for home use, designed for precise amplification of audio signals in demanding installations.”