The ART SLA-2 Studio Power Amplifier is a Toroidal transformer-based amplifier that delivers 200W of clear power to reproduce your mixes with near-pinpoint accuracy. The ART SLA-2 has the advanced SmartFan cooling system; XLR, Euroblock and 1/4" inputs; XLR and 1/4" outputs, and a tamper-proof faceplate for fixed installations. The SLA-2 boosts 200W of stereo power or 560W of mono power (@ 8 ohms) and uses a single rackspace.