U.S. federal trademark · Serial No. 77153450 · Reg. No. 3589607
A sophisticated 2 channel infrared receiver/amplifier, remote control capability of the infrared wireless microphones from the teachers microphone, 4 auxiliary inputs, 20 Watts true RMS audio power, 4 speaker outputs, 2 speaker volume controls, and 2-band equalizer
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.