Description
The McIntosh MI254 is a premium 4-channel digital power amplifier engineered for high-performance home theater and custom installation applications. Delivering up to 250W per channel into 8Ω or 300W per channel into 4Ω, it combines high efficiency with McIntosh’s signature styling, featuring the iconic blue watt meters and black glass front panel. Designed and manufactured in the USA, the MI254 supports both balanced and unbalanced audio connections for flexible system integration.
Key Technical Specifications
- Power Output (per channel):
- 250W × 4 @ 8Ω
- 300W × 4 @ 4Ω
- Number of Channels: 4
- Amplifier Topology: Closed-loop digital switching (Class D)
- Output Type: Direct Coupled
- Rated Power Band: 20Hz – 20kHz
- Frequency Response: 20Hz – 20kHz (+0, -0.9dB)
- Dynamic Headroom:
- 2.5dB (8Ω)
- 3.5dB (4Ω)
- Damping Factor:
-
85 (8Ω)
-
45 (4Ω)
-
Connectivity
- Balanced Inputs (XLR): 4
- Unbalanced Inputs (RCA): 4
- Compatible with a wide range of A/V processors and preamplifiers.
Features
- High-efficiency closed-loop digital switching (Class D) amplifier design
- Delivers 250W per channel (8Ω) or 300W per channel (4Ω)
- Signature McIntosh blue watt (VU) meters
- Balanced (XLR) and unbalanced (RCA) inputs
- Direct-coupled outputs
- Glass front panel with removable rack-mount ears
- Black painted steel chassis
- Designed for home theater, distributed audio, and custom installations
- Made in the USA
Power Consumption
- Heat Dissipation: 1,000 BTU/h
Dimensions & Weight
- Width: 17.5 in (44.45 cm)
(19 in / 48.3 cm including rack-mount ears) - Height: 4.31 in (11 cm)
- Depth: 21 in (53.3 cm)
- Net Weight: 23.5 lbs (10.7 kg)
- Shipping Weight: 40 lbs (18.1 kg)
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