Audiometric Couplers enable insert earphone testing.

Press Release Summary:

Designed for testing insert earphones and other audio transducers, Model AEC204 occluded-ear simulator includes built-in microphone and is compliant with IEC 60318-4. Models AEC202 and AEC203, compliant with IEC 60318-5, are 2 cm³ couplers designed to be used with ½ in. and 1 in. microphones, respectively. Using AUDit™ software, users can automatically correct RETSPL measurements for effects of microphone and coupler while tracking calibration history in database.

Original Press Release:

Larson Davis Launches New Audiometric Couplers for Insert Earphones and Hearing Aid Tests

Larson Davis has raised the bar for audiometer calibration systems and guarantees total customer satisfaction to make sure clients are getting the best product at the best price.

Farmington Hills, MI - Larson Davis - a division of PCB Piezotronics, Inc., introduces two new 2 cm3 couplers and a new '711' coupler for testing insert earphones and other audio transducers. AEC204 is a very affordable occluded-ear simulator that includes a built in microphone and is fully compliant with IEC 60318-4. The AEC202 and AEC203 are IEC 60318-5 compliant, 2 cm3 couplers designed to be used with ½ in and 1 in microphones respectively.

The addition of these new couplers enhances the extensive line of Larson Davis products for calibrating audiometers which include a sound level meter with firmware features necessary for calibrating audiometers, artificial ears, couplers, an artificial mastoid, and PC software for managing calibrations. Using the AUDit™ software, you can automatically correct RETSPL measurements for the effects of a microphone and coupler while tracking calibration history in a database.

According to Ken Cox, the Product Manager of Larson Davis, "Larson Davis continues to show support to the audiology community by the announcing of the launch of the new couplers and adding new products to the extensive line of calibrating audiometers. Backed by years of experience and excellent support, Larson Davis continues to be a trusted choice."

Click Here for more information about our audiometer calibration products or contact or application engineers at 1-716-684-0001 ext.2869

About Larson Davis

Larson Davis offers a full line of Noise and Vibration measurement instrumentation; including Type 1 sound level meters, personal noise dosimeters, octave band, audiometric calibration systems, microphones and preamplifiers, hearing conservation software, and Human Vibration Exposure Monitors. Products are used for measurement of building acoustics, community & environmental noise monitoring, as well as supporting various automotive, aerospace and industrial applications. As a division of PCB Piezotronics, Inc., Larson Davis guarantees Total Customer Satisfaction through our outstanding limited warranty; no charge, 24-hour toll-free technical support; global distribution; and worldwide customer service. For more information, please visit

PCBPiezotronics Acoustics

For over 30 years PCB has provided precision microphones and accessories for use in a wide range of acoustic test and measurement applications. Leveraging state-of-the-art equipment and facilities, a dedicated team of Acoustic, Mechanical, Electrical Engineers and PhDs have built an extensive portfolio of products including modern prepolarized and traditional externally polarized condenser, array, probe, low-profile surface, and special purpose microphones.  PCB's Acoustic Team participates in both the Acoustical Society of America (ASA) and IEC Standards Board and is a Vendor Liaison to Penn State's Center for Acoustics and Vibration.  PCB is accredited by the American Association for Laboratory Accreditation (A2LA) and a signatory to the International Laboratory Accreditation Cooperation (ILAC) Mutual Recognition Arrangement (MRA).

PCB and ICP are registered trademarks of PCB Group, Inc.

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