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(1) - Audio speaker drivers, audio speaker systems, microphones, microphone accessories, headphones, kits for building audio speaker system enclosures, kits for building audio speaker systems, audio signal cables
(2) - Audio drone cones
(3) - Audio frequency dividing networks, audio speaker accessories, namely capacitors, coils, attenuators, and speaker terminals
(4) - Audio electronic circuit parts, namely amplifiers, compressors, crossover filters, oscillators, and synthesizers
(5) - Audio speaker horns, audio acoustic lenses, audio horn drivers
(6) - Stereo amplifiers
(7) - Analog audio signal recorders and analog audio signal reproducers
(8) - Audio signal processing equipment, namely equalizer machines, reverb machines, delay machines, and echo machines
(9) - Digital voice recorders and digital voice reproducers; digital music recorders and digital music reproducers
(10) - Digital audio mixers
(11) - Audio signal converters, namely analog to digital audio signal converters and digital to analog audio signal converters
(12) - Computer audio electrical interfaces and remote controllers for use in the field of sound recording and reproduction; audio transmitters, audio receivers, audio electrical interfaces and switch boxes for use with a computer network
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