The CA-30 classroom amplifier is designed to complement projectors or flat panel displays to provide high quality playback of multimedia audio. The CA-30 is the perfect solution for equally distributing music and other auxiliary sound throughout a classroom at an extremely affordable price. Easy to upgrade to a full teacher voice audio classroom system. The CA-30 is a 16 Watt amplifier. This amplifier has a frequency response of 20 Hz to 20,000 kHz. It also includes a 3.5 mm input with volume control, accessory port with balanced line input and unbalanced line output, including a RJ-45 input for IR-Satellite (TLD100) or XD Receiver (K-SRC14), provides both audio and power.