MI254 4-Channel Digital Amplifier
د.إ 25,500.00
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A powerful and efficient solution for multi-room audio. This 4-channel digital amplifier provides clean power to multiple speakers, making it perfect for custom installations or for powering a high-performance home theater system.
The McIntosh MI254 is a high-performance 4-channel digital amplifier designed for custom installation. Delivering 250 Watts per channel into 8 Ohms (300WPC into 4 Ohms), it leverages efficient Class D topology, eliminating the need for noisy cooling fans. Ideal for distributed audio or home theater surrounds, it offers flexible integration in a compact, 2U rack-mountable chassis.
Each channel features balanced XLR and unbalanced RCA inputs, plus standard 5-way binding posts. McIntosh’s Power Guard® and Sentry Monitor™ technologies ensure speaker protection and reliability. Signature McIntosh aesthetics include a black glass front panel with an illuminated logo and two blue Watt Meters displaying summed output. The MI254 provides powerful, clean audio with a low 0.025% THD and a wide 20Hz-20kHz frequency response.
Features
amplifier ideal for use in distributed audio, home theater, or 2-channel stereo playback.
– Delivers 250 Watts into 8 Ohm speakers or 300 Watts into 4 Ohm speakers via highly sophisticated closed-loop digital switching amplifiers that are paired with extremely robust power supplies to produce performance levels that are rarely achieved in distributed audio.
– Installer-friendly physical dimensions and is 2U rack-mountable via the included mounting ears (ears are removable for non-rack installations).
– As a highly efficient Class D amplifier, it does not require noisy cooling fans to maintain nominal operating temperature.
– Two McIntosh Watt Meters display the summed power output of channels 1 + 2 and channels 3 + 4. Multi-color LED indicators display the status of each channel. Features a balanced and unbalanced input for each channel along with our standard 5-way speaker binding posts.
– Other features included: Loudspeaker Guard signal overload technology that prevents overdriving the speakers; Sentry Monitorâ„¢ short-circuit protection that disengages the output stage before current exceeds safe operating levels; BUS input & outputs to easily distribute a stereo signal to multiple outputs and/or multiple amplifiers; individual channel inputs; 12 Volt triggering capabilities; and eco-friendly on/off signal sensing.
Specifications
Power Output per Channel:
– 250 Watts into 8 Ohms
– 300 Watts into 4 Ohms
S/N below rated output:100dB
Rated Power Band:Â 20Hz to 20kHz
Number of Channels:Â 4
Dynamic Headroom:Â 8 Ohms: 2.5dB, 4 Ohms: 3.5dB
Frequency Response:Â +0, -0.9dB from 20Hz to 20,000Hz
Total Harmonic Distortion:Â 0.025%
Damping Factor:Â 8 Ohms: >85 ; 4 Ohms: >45
CONTROL
Remote Power Control:Â Yes
Multi-Channel DB25 Cable:Â N/A
Speaker Binding Post Type:Â Standard
GENERAL SPECIFICATIONS
Circuit Configuration:Closed loop digital switching
Mono Parallel:N/A
Meter Light Switch:No
Illumination:Direct LED
Circuit Design:Digital
Output Type:Direct Coupled
Balanced Input:4
Chassis Style:Black painted steel
Mono Bridge:N/A
Meters:Yes
Front Panel:Glass with removable rack mounting ears
WEIGHTS & DIMENSIONS
Unit Dimensions (W x H x D):
17-1/2″ (44.45cm) (19″ (48.3cm with mounting ears)) x 4-5/16″ (11cm) (including feet) x 21″ (53.3cm) (including front panel and cables)
Unit Weight:23.5 lbs (10.7 kg)
Shipping Weight:40 lbs (18.1 kg)
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