Active noise and vibration control systems are products such as controllers, sensors and actuators that monitor and cancel noise and/or vibration

Noise control products passively control vibrations or noise through absorption or dampening (e.

Specialty shock and vibration control products are specialty or proprietary products and accessories related to shock and vibration absorption

Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI.

CPU coolers are integrated fans and heat sink assemblies packaged to provide optimum cooling performance, often for specific processors.

Audio headphones are small speakers worn over the ears to isolate sounds for the listener.

Speakers produce and transmit sounds carried by electrical or radio signals.