Save money, time and space with our plenum-rated audio amplifier. Laboratory tested and verified, this unit can be installed directly in a plenum air space without enclosing it in a separate plenum-safe box. Its minimal size and weight allow for easy installation virtually anywhere. With a simple design and 40 Watts RMS at 4 Ohms output, this stereo amplifier provides excellent sound reinforcement in classrooms, conference rooms, training centers, offices, restaurants and other settings. Dual inputs (RCA stereo audio, 3.5mm stereo audio) have separate gain control, ensuring the appropriate volume for each connected device. The amplifier employs a quick-connect phoenix connector for power and speakers, and also has short circuit protection.