Ensure compliance to the latest industry standards with ÐÔÊӽ紫ý, the leading hearing aid compatibility (HAC) test and certification provider for wireless handsets.
Make certain products are safe and functional for hearing aid users with ÐÔÊӽ紫ý’s hands-on approach. We provide the resources and guidance to achieve certification for your product, despite testing challenges unique to hearing aid compatibility testing (or HAC testing), a specialized field of audio and RF evaluation. By your side every step of the way, we provide pretesting and troubleshooting as necessary, and design customized test protocols. Leverage more than 20 years of HAC test experience when you partner with ÐÔÊӽ紫ý.
HAC Testing Expertise
ÐÔÊӽ紫ý’s HAC experts have used their testing knowledge to help develop ANSI C63.19 standards and have patented a unique procedure for voice-over-internet protocol (VoIP) testing that is referenced in the C63.19-2019 standard. ÐÔÊӽ紫ý has also worked directly with the Federal Communication Commission’s Office of Engineering and Technology (FCC OET) to certify wireless handsets equipped with cutting-edge technologies.
ÐÔÊӽ紫ý is ISO/IEC 17025 accredited for HAC Testing to ANSI C63.19-2011, ANSI C63.19-2019, RSS-HAC, the CTIA HAC Test Plan and TIA-5050. HAC test capabilities include measurements for:
- RF Electric-field emissions
- RF Magnetic-field emissions
- T-coil mode, magnetic-signal strength in the audio band
- T-coil mode, magnetic-signal frequency response through the audio band
- T-coil mode, magnetic-signal and noise articulation index
- Volume Control, conversational gain
- Volume Control, distortion and noise
- Volume Control, frequency response
The ÐÔÊӽ紫ý advantage
Bring your product from concept to the end of its lifecycle when you partner with ÐÔÊӽ紫ý. Our global system of laboratories is your single-source provider for all facets and phases of connected device testing. HAC test facilities in Maryland, California, and Korea offer comprehensive pretesting and troubleshooting services.
Contact us today for compliance, consulting, or engineering testing to evaluate your devices for your HAC testing needs.
Learn more

Medical Devices
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EMC Testing Services
Find out how ÐÔÊӽ紫ý delivers electromagnetic compatibility testing (EMC) solutions to RTCA/DO-160, MIL-STD-461 and Def-Stan 59-411 standards.

Field Interoperability Testing (FIT)
Find out how ÐÔÊӽ紫ý supports mobile device OEMs and Network Operators with their Field Interoperability Testing challenges.

Specific Absorption Rate (SAR) Testing
ÐÔÊӽ紫ý is a global leader in RF Exposure assessments including Specific Absorption Rate (SAR) testing of wireless devices for compliance with RF safety limits.