... 3.High quality , lowest price dc motor gear encoderencoder brushless motorRotary Potentiometers use for Sound Instruments, car amplifier, DVD player ... encoder, potentiometer and switch.rotary encoder,potentiometer and switch for musical instruments, audios,medical equipment, Walkie talkie,DVD, ... 0.025W (B taper)Maximum operating voltages: 50/25V AC (B taper)Slider noise: less than 47mVGang error: ...