Sensors and instruments for measuring and transmitting sound levels and frequency.

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Acoustic Enclosures (147 suppliers)

Acoustic enclosures are full chambers, enclosures, or rooms designed to attenuate or minimize acoustical noise.
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Active noise and vibration control systems are products such as controllers, sensors and actuators that monitor and cancel noise and/or vibration.
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Anechoic Chambers (38 suppliers)

Anechoic chambers are specialized chambers designed for electromagnetic or sound waves.
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Audio amplifiers and audio preamplifiers are used to increase the amplitude of sound signals.  Preamplifiers or preamps are designed to amplify low-level signal from a high-impedance device such as a microphone or instrument pick-up. After pre-amplification, the signal is sent to a power amplifier or amp, which provides the higher current necessary to drive the speakers.
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Audio Analyzers (42 suppliers)

Audio analyzers measure the noise and audio spectrum of output from an amplifier or a stereo.
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Audio Cables (287 suppliers)

Audio cables transmit audible signals such as voice and music. They are designed to minimize noise and interference that can impair sound quality.  Audio cables connect an audio source such as a stereo or microphone to an audio receiver or output such as speakers. Most products are shielded to prevent electromagnetic interference (EMI), typically with a foil and/or braided shield.  
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Audio Connectors (343 suppliers)

Audio connectors are used to affix cables to other audio equipment, providing electronic signal transference and grounding protection.
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Audio Headphones (101 suppliers)

Audio headphones are small speakers worn over the ears to isolate sounds for the listener.
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Audio Microphones (437 suppliers)

Audio microphones are designed for sound reception and recording applications (speech and music).
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Audio mixers and audio consoles are units that combine signals from microphones and/or line level sources to produce a combined signal or signals.
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Audio switch matrices are electronic switching instruments for interfacing audio signals in scanning, recording and analysis systems.
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Digital Audio Systems (170 suppliers)

Digital audio systems electronically record and store audio signals such as voice, music, alarm, and security messaging for broadcast, editing, monitoring, and playback.
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Headsets (285 suppliers)

Headsets are designed to hold earphones to a user’s head for radio or telephone communications.  They include transducers and a transmitter, and are designed to receive audible signals from a source such as a portable media player or audio amplifier. Often, headsets are bundled with microphones for two-way communication.  The main benefit of headsets is that they let users listen privately, and make it easier to hear in noisy environments.
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Hydrophones (60 suppliers)

Hydrophones are underwater acoustic sensors used in marine research, undersea mapping and navigation, and various commercial and military applications.
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Measurement microphones are most commonly condenser microphones, which convert sound pressure to an output that is then converted into a reading such as sound pressure level (SPL).
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Phone Jacks and Plugs (205 suppliers)

Phone jacks and plugs are connectors used with telephones. They are also known as modular jacks (female) and modular plugs (male).
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Industrial silencers and mufflers absorb and attenuate noise levels from machinery and other sources for environmental amelioration and regulatory compliance.
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Sound level meters and noise dosimeters are used in sound and noise analysis. Applications include industrial safety, traffic noise studies, and scientific noise measurement.
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Sound proofing and acoustic materials are used to attenuate, deaden, or control sound and noise levels from machinery and other sources for environmental amelioration and regulatory compliance. 
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Speakers (725 suppliers)

Speakers produce and transmit sounds carried by electrical or radio signals.  This product category is primarily for industrial and OEM speakers rather than those for home use.
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Ultrasonic Transducers (163 suppliers)

Ultrasonic transducers send and receive waves for many types of sensing. Examples include distance, proximity, level, nondestructive evaluation, web break detection, counting, and security applications.
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Underwater acoustic transducers contain both transmitters and receivers and use distance and directional data for communication, mapping and navigation.
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Audio recorders / voice loggers are used to locate, retrieve, duplicate and/or distribute audio voice or data information from single system environments to large multi-channel networked systems.
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