Theory Professional announced it is launching a new line of amplified loudspeaker controllers at InfoComm 2025. According to the company, the PLC series, comprised of two 8-channel and two 4-channel models, leverages Powersoft’s patented Class-D amplification topologies, SmartRail energy-management power supplies, Power Factor Correction and advanced DSP architecture. Together, they will bring Theory’s premium sound into complex professional, large venue and live sound applications.
“Theory’s small format products have received a very strong, positive reaction in the commercial market since being introduced at InfoComm in 2023. Integrators, specifiers, consultants, and end users have been asking us to bring Theory’s high-fidelity and high-output sound to their larger projects,” says Paul Hales, Theory CEO. “With our recently introduced SR Series loudspeakers and manifold subwoofers, paired with the new PLC loudspeaker controllers, we are going after that segment head on with a small catalogue of immensely capable, innovative, and flexible products. If you’re a fan of the small format Theory products, wait until you hear what Theory can do for your live sound applications.”
Working with Powersoft
According to Theory, the Powersoft technology has a reputation in the audio industry for its reliability, energy efficiency and pristine sonic transparency achieved through ultra low noise converters, linear phase FIR filters and Active Damping Control. Combining high-quality amplification with advanced DSP capabilities, along with PoE, gives PLC users exceptional sound reproduction and precise control.
Per the company, the PLC 4 and 8 channel loudspeaker controllers are compact (only 1RU) but extremely power dense. They are reliable, scalable, provide exceptional sound reproduction and offer advanced DSP capabilities. By adding Theory’s proprietary loudspeaker presets, users can achieve big, clean, high-fidelity, sound for large-venue and portable applications.
Main Features
The four new Theory PLC loudspeaker controller models include:
- PLC-4K8: 8 channels x 500W per channel
- PLC-8K8: 8 channels x 1,000W per channel
- PLC-9K4: 4 channels x 2,250W per channel
- PLC-16K4: 4 channels x 4,000W per channel
“Partnering with Powersoft to create Theory’s PLC loudspeaker controller platform was a no-brainer,” remarks Marc Bertrand, Theory CSO. “Feedback directly from the field is that for large, complex installations, Powersoft’s patented amplification and processing technology delivers the best sounding, most powerful and reliable solution, especially for those deploying elaborate Dante or AES67 systems.”
“We are proud to embark on this close partnership with Theory, which places Powersoft’s patented amplification and DSP technologies at the heart of the new PLC line,” says Luca Lastrucci, CEO of Powersoft. “Their decision to align with us validates our commitment to being the reference technology partner for power, efficiency and pristine audio in large-venue, live-sound and complex networked applications. Together, we will set a new benchmark for performance and reliability.”
Key Features of PLC Loudspeaker Controller Platform
The main features of Theory’s PLC Loudspeaker Controller platform include:
- Proprietary Theory Loudspeaker presets
- Native Dante & AES67 Audio over IP networking
- All-channel power sharing
- Three configurable 1Gb network ports with 1x PoE
- Easy swap USB key amplifier restore
- Maritime compliance
At InfoComm 2025, Theory Professional will show the PLC loudspeaker controllers in Booth 5167, with availability in fall 2025.
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