Underwater Acoustic Transducers Information

Show all Underwater Acoustic Transducers Manufacturers

Underwater acoustic transducers can contain both transmitters and receivers, or they can be solely transmitters used in conjunction with a hydrophone. They sense reflected sound and use distance and directional data for communication, mapping and navigation. Underwater acoustic transducers have an operational range, but are usually designed to operate at their resonance frequency to maximize output power. They are most typically single frequency transmitters, but they may contain multiple transmitters and receivers for different frequencies.

Performance Specifications

The most critical performance specifications for underwater acoustic transducers are sensitivities, power capability and pressure and depth ratings. The transmit sensitivity is the ratio of sound pressure produced to the input voltage. Receive sensitivity is the ratio of output voltage produced over sound pressure sensed. Power capability is the signal power available from the transducers. A maximum pressure rating may be specified, indicating how much pressure the transducers can have applied to them and still function properly. The transducers will likely also have a maximum depth specification, again indicating how deep they can be submerged and still function as they are supposed to. These maximum depth and pressure ratings are distinct from survivability specifications, which would indicate the maximum environmental characteristics the transducers can withstand before becoming inoperable.


Many features for underwater acoustic transducers are available. These devices can be horizontally omnidirectional, having a beam pattern that is virtually equal in all horizontal directions. They can have multiple frequencies and be usable at an unlimited ocean depth. Sidescan transducers are designed for a focused directional beam pattern to the side. Underwater acoustic transducers are often available as an array, several transducers arranged together as a system.

Related Products & Services

  • Acoustic Enclosures

    Acoustic enclosures are full chambers, enclosures, or rooms designed to attenuate or minimize acoustical noise.

  • Anechoic Chambers

    Anechoic chambers are specialized chambers designed for electromagnetic or sound waves.

  • Hydrophones

    Hydrophones are underwater acoustic sensors used in marine research, undersea mapping and navigation, and various commercial and military applications.

  • Measurement Microphones

    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).

  • Ultrasonic Transducers

    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.

  • Voice Loggers and Audio Recorders

    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.

New Privacy Policy

We have adopted new policies. Please read each one carefully.