Pro Audio Technology Releases Modular Multichannel MA Series Amplifiers

Pro Audio Technology (PRO) has taken the supply chain crunch as an opportunity to develop new amplification solutions to assist integrators designing and specifying high-performance audio systems.

The California-based company, a leading supplier of high-output loudspeakers and DSP loudspeaker controllers, has introduced a new line of modular amplifiers, the MA series.

Comprising five models in the MA series, the PRO MA-4400, MA-4242, MA-9900, MA-9942, and MA-9999 provide integrators with a line of reliable amplifiers to drive any PRO or third-party audio systems.

“In 2021 it became clear that the worldwide shortage of digital and other electronic components was going to impact our ability to deliver our amplified loudspeaker controllers timely. Knowing we had many loyal customers with projects in the pipeline, we got to work designing a new amplifier platform that could be manufactured consistently while we wait for the supply chain to normalize,” explains Paul Hales, president and product designer for Pro Audio Technology.  

“The MA series of amplifiers are the result of that initiative and will allow our integrators to complete open and upcoming audio system installations amongst global supply chain uncertainty.”

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PRO’s modular amplifiers incorporate between two to four channels of up to 1000 watts each into a fan-less 2U chassis. When combined with PRO’s ALC-3316, PLP-8250, or PLP-8800 loudspeaker controller/processors, installers can use the MA amplifiers to quickly and easily power, apply high-resolution DSP filtering, and calibrate any PRO sound system, according to the company.

“By leveraging our line of loudspeaker controllers, our dealers can now use the MA amplifiers to power larger PRO loudspeakers and subwoofers and do the signal processing for them inside the ALC or PLP units,” says Hales.

“When using the ALC-3316, it acts not only as an amplified controller for the smaller speakers in the system, but also as a multichannel digital signal processor for the MA amps – a testament to the flexibility and utility of our ALC models.”

The MA modular amplifiers are available to order now. Dealers, reps and international distributors can visit the PRO website and contact PRO’s VP of sales, Mark Goldman, at: for pricing and more details, the company notes.

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