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MC2 E45

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Page last updated Aug 10, 2025

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Description

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The MC2 E45 Power Amplifier is designed for musicians who demand reliability and precision in their live sound setups. Whether you're setting up for a small gig or a major event, this amplifier ensures that your sound is consistent and clear. Engineered with advanced Class D technology, the E45 provides efficient power output with reduced heat generation, making it ideal for long performances.

This amp is also equipped with comprehensive protection circuits, safeguarding against overloads and short circuits, ensuring longevity and peace of mind. Its high-efficiency toroidal power supply ensures that you get the most out of your sound system, delivering a punchy and dynamic audio experience. The intuitive front panel controls allow for easy adjustments on the fly, while the sleek design fits seamlessly into any rack setup.

Compatible with a wide range of speaker configurations, the MC2 E45 is versatile enough to be the backbone of any stage setup. Whether you're a seasoned audio professional or an enthusiastic amateur, this amplifier delivers the performance you need without compromise.

Key Features:

Advanced Class D technology
High-efficiency toroidal power supply
Comprehensive protection circuits
Intuitive front panel controls
Compatible with various speaker configurations
Rack-mountable design
Reliable and consistent sound output

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Theninja7227

2 double 18” bass boxes run through mc2 e45 and sage bass pre amp

Theninja7227

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about MC2 E45.

Features and functionality

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The MC2 E45 offers enough power for raw bass applications, recommended for powering setups with PD1852/2 subs.
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Owners use the channel link switch on the MC2 E45 to send the same input signal to both channels, highlighting its utility in setups requiring uniform signal distribution.
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Comparisons

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The MC2 E45 is comparable in performance to the Crest Pro and CA series, which have been found to be underrated on paper.
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The CVR D-1504, rated at 4x2500W @ 4 ohms, is another amp option, noted for its power and flexibility.
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It is mentioned that running tops at 4-ohm loads can result in a "metallic" sound, contrasting with better clarity at 8-ohms, suggesting the impact of impedance on sound quality.
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Setup and maintenance

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For optimal performance, ensure the amplifier provides around 1.5x the RMS power of the driver, particularly when used with systems like the PD1852/2.
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Splitting DSP channels using an XLR splitter is a common practice and does not result in a weaker signal; it's similar to internal amp pass-through connections.
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Use cases and applications

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The MC2 E45 is suggested alongside Crown I-Tech 6000 and FFA 10000 for systems requiring robust power handling.
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The MC2 E45 is suitable for driving four 1000W 4-ohm subwoofers, but users suggest running it stereo down to 2 ohms for better efficiency.
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The MC2 E45 is effectively used for kick speakers in a system with Soundgear Jupiter 10 amps for tops and Crown Macrotech VZ5000 for hog scoops.
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User experience

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Owners report that the Crest CA18 can handle drivers like the 1852 effectively, supporting two per channel without issues.
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Software and compatibility

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The DBX PA2 is recommended for sound management, but lacks the capability for 4-way systems without additional units.
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CVR's DSP software offers more features than DBX PA2, but requires a PC and lacks MacBook or WiFi support.
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Critic Reviews

SLS 8290 Dual-Purpose PA Box and MC2 Audio E45 Power Amplifier – FOH | Front of House Magazine

fohonline.com

The MC2 Audio E45 Power Amplifier impresses with its compact design and robust power output, delivering 2250 watts per channel into 4-ohms. It excels in clarity across lows, mids, and highs, making it reliable for various setups. However, potential buyers should be wary of its 16.25-inch rack depth, which requires careful handling to prevent damage during transport. While it passes the subwoofer test with flying colors, some might find the necessity for a beefy power connector a bit cumbersome. Overall, the E45 is a technically sound amplifier with minor logistical considerations.

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