MI254 Power Amplifier

The McIntosh MI254 is a four-channel digital power amplifier for custom stereo, distributed-audio, and theater applications. It provides 250 watts per channel into 8 ohms or 300 watts per channel into 4 ohms from a compact 2U rack-mountable chassis.

Balanced and unbalanced inputs, bussable signal routing, on/off signal sensing, and Power Control support flexible installation. Power Guard and Sentry Monitor supervise each channel, while the four-channel layout can serve two stereo zones or a multichannel system.

Three Important Features

• Four high-output channels: One chassis can power two stereo zones or four channels in a larger system.
• Balanced and bussable inputs: Connection options support both direct and distributed signal routing.
• Installation-oriented control: Signal sensing and Power Control support automated operation.

Three Important Specifications

• Power output: 250 watts x 4 channels into 8 ohms; 300 watts x 4 channels into 4 ohms.
• Total harmonic distortion: 0.025%.
• Chassis: 2U rack-mountable.