The McIntosh MC2301 is a power amplifier designed for high-end audio systems. It features vacuum tube technology with a quad of KT88 output tubes and a total power output of 300 watts per channel. The MC2301 has a wide frequency response and low distortion levels, providing clear and detailed sound reproduction. It also incorporates McIntosh's Autoformer technology, which ensures that any impedance variation of the connected speakers is properly matched for optimal performance.