Classroom Audio Systems - Plenum Rated Amplifiers

Introducing Roemtech's New Plenum Rated Amplifier / Mixer

New Stereo Amplifier for Classroom Audio

Roemtech is proud to introduce the new PlenumAmp PMA-245. It is designed and approved for above ceiling installations allowing end users to have a more powerful amplifier system that is easily concealed. Educational environments with data projectors need classroom amplification systems that provides clear, powerful sound without taking up excess room. This product fills that need without sacraficing power or clarity.

HummBuster Technology for Classroom Audio

Advanced Noise Filtration		Real Power
The all new PMA-245 uses advanced noise filtration to eliminate interference that may be amplified. In some cases, high frequency noise, well above the range of human hearing, is produced by the sound card of some computers. This causes a thumping sound or more specifically what is referred to as "motorboating." The PMA-245 utilizes our new noise filtration circuitry and completely eliminates this phenomenon.		The Roemtech PlenumAmp PMA-245 comes with a compact, external, regulated 18V power supply at 3.5 amps. The plenum amplifier is rated at 22.5 watts RMS per channel for an impressive total output of 45 watts. This gives plenty of headroom for demanding applications that classroom amplification systems need to meet. Included also is built-in large reservoir capacitance for maximum bass response delivering rail to rail performance.
Easy to Install		Compatibility
Small enough to fit in the palm of your hand and weighing less than 1.1 lbs, this mini amplifier is small enough to install just about anywhere. The unit comes equipped with two removable mounting tabs for easy installation on any wall or under any desk. The power is attached to the amplifier via captive screws and the amplifier is polarity tolerant - so it is impossible to connect the power in reverse. Because it can be installed in the plenum area, loss due to theft is a thing of the past. It is the perfect mini amplifier!		The PMA-245 has two completely independent audio inputs each with dedicated volume controls. Input one is line level stereo RCA and input two is line level stereo 3.5mm. So, whether you are providing audio for a computer, wireless microphone, distance video conferencing or LCD screen, the PMA-245 is right for the job. Because it is the world's first plenum rated amplifier and mixer, it can easily be installed out of sight.
Sophisticated Protection Circuits		Typical Applications
Amplifier Over Temperature Shutdown Over Voltage Shutdown Speaker Short-Circuit Shutdown Power Supply Short-Circuit Shutdown Over Power Shutdown Thermal Shutdown		Classroom Amplifier: Works perfectly for K-12 and college classroom amplification system audio Conference Room Amplifier: Any Conference room / boardroom requiring amplified audio. Training Room Amplifier: Perfect for corporate training rooms. Restaurant Amplifier: Perfect for background music. Mini Amplifier: Perfect for any application with limited space. With its ultra compact package, clear and powerful sound, the Roemtech PMA-245 works well for just about any application.

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