The AVM Ovation SA 8.3 Lite is a Class A/B stereo power amplifier with a fully transistor circuit, delivering 225 watts per channel at 8 ohms, 350 watts at 4 ohms, and 500 watts at 2 ohms, built on 24 MOSFET transistors per channel, with balanced (XLR) and unbalanced (RCA) inputs. massive 1000 VA toroidal transformer and dual mono architecture to minimize interference between channels.