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McIntosh MCC302

Category: Mcintosh
Product Code: MCC302

 The MCC302 consists of two separate power amplifier channels, each capable of 150 watts into 4 ohm speakers with less than 0.005% distortion.

The MCC302 includes two 150 watt amplifier channels. Both channels can be set in bridged configuration for 600 watts output into a 4 ohm loudspeaker with less than 0.008% distortion.

 A peak output current of 30 amperes ensures that the MCC302 will successfully drive high quality loudspeakers, such as McIntosh, for a truly exciting sound experience.

MCC302 Power Amplifier Features

Equalizer and Variable Crossover Filters
The one band equalizer has a center frequency that is variable from 40 Hz to 2,000 Hz which can be either cut or boosted ±12db. 12dB per octave high pass filters with variable corner frequencies from 50Hz to 120Hz and 12dB per octave low pass filters with variable corner frequencies from 50Hz to 120Hz.

Power Guard and Sentry Monitor
All channels include the patented McIntosh Power Guard circuit that prevents the amplifier from being overdriven into clipping with its harsh distorted sound that can also damage your valuable loudspeakers. McIntosh Sentry Monitor power output stage protection circuits are present on all channels to ensure the MCC302 will have a long and trouble free operating life.

Speaker Protection
If for any reason, a DC (Direct Current) voltage appears at the speaker output terminals, a built-in circuit turns off the amplifier power supplies to prevent damage to your valuable loudspeakers.


Thermal Protection with Multi-Speed Cooling Fans
Built-in thermal protection circuits guard against overheating which could shorten the normal long life expectancy of your McIntosh Power Amplifier. Cooling fan speed is controlled by temperature sensors attached to the interior of the extruded aluminum cooling tunnel. The fans are normally off. When needed, the fans will automatically switch on, and speed is increased as needed for additional cooling.


Fully Discrete Design
The MCC302 has a fully complimentary double balanced amplifier design and is identical to that found in McIntosh’s leading home amplifiers.


Balanced Inputs with Pass Through
The Balanced Inputs cancel out interference noise that is produced by other sources in the vehicle and can be directly connected to the bridged speaker output of any head unit. The MCC302 provides two line level outputs, for the convenience of connecting multi-amplifier systems.


Remote Subwoofer Control and Line Output
The subwoofer level can be controlled via an external rotary control, which can be remotely mounted in the vehicle. A line level summed output is provided to drive an external subwoofer power amplifier. The inputs to both channels are summed for this output.


Gold Plated Terminals
McIntosh provides gold plated input and output terminals on the amplifiers for superior corrosion resistance. It is a very important feature in the automotive environment. Speaker wires to 10 AWG and DC input wires to 4 AWG can be accommodated.

MCC302 Power Amplifier Specifications

Power Output Per Channel

150 watts into 4 ohm loads and 300 watts into 2 ohm loads is the minimum sine wave continuous average power output per channel, with both channels operating.


Power Output Bridged
600 watts into 4 ohm loads is the minimum sine wave continuous average power output.


Rated Power Band
20Hz to 20,000Hz


Total Harmonic Distortion
Maximum Total Harmonic Distortion at any power level from 250 milliwatts to rated power output is:
0.005% for 4 ohm loads
0.008% for 2 ohm loads
0.008% for Bridged Mode with 4 ohm loads


Dymanic Headroom


Frequency Response
+0, -0.25dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz


0.5 Volts


A-Weighted Signal To Noise Ratio
105dB (1.5V)


One Band Equalizer
Center Frequency is variable from 40Hz to 2,000Hz, level variable ±12db, Q fixed at 2


Selectable High pass or Low pass. The frequency is variable from 50Hz to 120Hz. The slope is 12dB per octave (Low pass is 24dB per octave in bridged mode)


Subwoofer Output
Low Pass filtered at 200Hz with a 6db per octave slope(level variable ±12db when using optional McIntosh External Subwoofer Rotary Control)


Intermodulation Distortion
Maximum Intermodulation Distortion if instantaneous peak output per channel does not exceed twice the rated output, for any combination of frequencies from 20Hz to 20,000Hz, with all channels operating is: 0.005% for 4 ohm loads and 0.008% for 2 ohm loads; 0.008% for Bridged Mode with 4 ohm loads


Input Impedance
12,000 ohms


Power Requirements
12 Volts DC, 2.5 amps (idle) - 50 amps (150 watts)

12.5 inches (31.8cm) wide, 3.0 inches (7.6cm) high, 13.7 inches (34.8cm) depth


14.5 pounds (6.6Kg) net, 17 pounds (7.7Kg) in shipping carton

MCC302 Power Amplifier Owner's Manual and Literature

Manuals & Documents


MCC302 Power Amplifier Owner's Manual (6161.07KB)

Downloads & Updates

MCC302 Power Amplifier Literature (254.73KB)
Product Details: Reviews and Awards
For the Consumer's Protection

In order to ensure the highest level of customer satisfaction, "new" McIntosh products may only be purchased over-the-counter or delivered and installed by an Authorized McIntosh Dealer.

McIntosh products that are purchased over the Internet, by phone or mail order are presumed to be "used" and do not qualify for any McIntosh Warranty. McIntosh does not warrant, in any way, products that are purchased from anyone who is not an Authorized Dealer or products that have had their serial number altered or defaced.