Self-biased amplifier device for an electrecret microphone
Signal processing apparatus with selective power amplification
Simplified amplifier providing sharing of music with...
Single package three channel audio signal amplifier
Sound amplifier system
Speaker and amplifier system
Speaker attenuation for practicing a musical instrument
Speaker driving circuit
Specialized amplifier systems for musical instruments
Specialized amplifier systems for musical instruments
State machine enabling auto-recovery of short-circuited...
System, method and apparatus for adjusting an output of a...
Systems and methods for switching and mixing signals in a...