The McIntosh MC255 is a robust 5-channel power amplifier designed to deliver pristine, powerful audio for high-end home theater systems. With 200 watts per channel into 8 or 4 ohms, this amplifier combines McIntosh’s legendary Quad Balanced design and Dynamic Power Manager® technology to provide clean, distortion-free sound with ultra-low noise. Whether powering front, center, or surround speakers, the MC255 ensures every sound detail is crystal clear, delivering an immersive surround sound experience.
Featuring McIntosh’s iconic TripleView™ Power Meter with independently dimmable blue watt meters, the MC255 brings a classic look and a modern touch to your audio setup. Its robust construction includes a sleek black glass front panel and stainless steel chassis, making it as durable as it is stylish.
Built with advanced thermal management, protection circuitry, and Autoformer™ technology, the MC255 ensures consistent performance regardless of speaker impedance. This amplifier supports both 8 and 4 ohm speakers without compromising output power or sound quality.
Ideal for audiophiles and home theater enthusiasts, the McIntosh MC255 delivers dynamic, high-fidelity sound that elevates every movie, concert, or gaming session.
FEATURES
- 5 Channels of 200 Watts Each: Powerful enough to drive large home theater speakers with ease.
- Quad Balanced Design: Minimizes noise and distortion for ultra-clean sound.
- Dynamic Power Manager®: Efficient power delivery, ensuring consistent output across various speaker loads.
- TripleView™ Power Meter: Classic McIntosh blue watt meters with adjustable brightness.
- Autoformer™ Technology: Maintains full power output at 4 or 8 ohms.
- Robust Build: Black glass front panel, stainless steel chassis, and solid construction.
- Advanced Thermal and Protection Circuits: Ensures long-term reliability and safe operation.
- 5-Channel Inputs: Allows seamless integration into multi-channel home theater systems.
SPECIFICATIONS
| Specification | Details |
|---|---|
| Power Output | 200 watts per channel (8 ohms, 20 Hz–20 kHz) |
| Number of Channels | 5 |
| Load Impedance Supported | 4 ohms and 8 ohms |
| Total Harmonic Distortion | 0.005% |
| Signal-to-Noise Ratio | > 110 dB |
| Damping Factor | > 50 (8 ohms) |
| Frequency Response | 10 Hz – 100 kHz (+0, -0.5 dB) |
| Input Sensitivity | 1.2 V |
| Input Impedance | 20 kΩ |
| Inputs | 5 Balanced (XLR) and 5 Unbalanced (RCA) inputs |
| Output Connectors | 5 pairs speaker binding posts |
| Power Consumption | 1000 watts max |
| Dimensions (W × H × D) | 17.5″ × 7.25″ × 19.5″ (44.5 × 18.4 × 49.5 cm) |
| Weight | 59 lbs (26.8 kg) |
| Special Features | Dynamic Power Manager®, Autoformer™, TripleView™ Power Meter |













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