U.S. federal trademark · Serial No. 77153486 · Reg. No. 3585236
A sophisticated 2 channel infrared receiver/amplifier, with true stereo sound, remote control capability of the infrared wireless microphones and auxiliary inputs from the teachers microphone, 4 stereo auxiliary inputs, teacher voice mute where the teachers voice mutes the auxiliary inputs when he/she is speaking, 50 Watts true RMS audio power, 8 speaker outputs, 4 speaker volume controls, master volume control, and 3-band equalizer
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.