Piezo Source

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Welcome to Piezo Source, Inc.
The proprietary manufacturer of the Motorola bimorph piezo technology

The Piezo Source bimorph Motorola speakers are not the same as simple piezoelectric speakers. Our manufacturing process is roughly equivalent to having a speaker with two crystals rather than one. This gives our speakers a much longer lifespan, efficiency and long term performance and stability.
Piezo Source, Inc. has been manufacturing and supplying the highest quality piezoelectric speakers since acquiring the exclusive rights, designs, and manufacturing line from Motorola/CTS in 2005. The speakers manufactured by Piezo Source maintain the high quality originally ensured by Motorola and later by CTS.
The quality of our bimorph ceramics means that our speakers are also used as a transceiver - speaker and microphone.
Piezo Source supports our customers through:
  • Manufacturing high quality piezoelectric speakers - Over 100 speakers available in our product portfolio.
  • Engineering and design - Our team of engineers collaborate with our clients on new designs, materials, and signal processing methods.
  • Sub-contract manufacturing - With our key collaborators, Piezo Source performs sub-contract manufacturing where we help with the mechanical and electrical assembly involved in mounting speakers into customers' boxes and arrays.
  • News:
    Bringing NFPA 72 520 Hz into Focus
    Hughes Associates, headquartered in Baltimore, Maryland, is a fire protection engineering and code-consulting firm with regional offices throughout the world.
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    New Alarm Technology More Effective at Waking People Than Standard Smoke Alarms
    Lifetone Technology's Low-Frequency Alarm Especially Effective With Older Adults, Those With Hearing Loss and Children CHICAGO, IL--(Marketwire - April 13, 2009)
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    Review of the Smoke Alarm Subsidy Scheme for Deaf and hard of hearing Victorians
    This report reviews the Victorian government Auslan Fire Alarm Subsidy, which was launched in 2006 with the aim of delivering 600 smoke alarms to profoundly Deaf Auslan (Australian sign language) users and profoundly deaf spoken language users.
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    Smoke Alarms for the Hearing Impaired
    A bedside Smoke alarm for the deaf or hearing impaired is equipped with sensors that will detect alarm signal emitted from your current smoke detector.
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    New Requirements for Audible Alarms
    Starting January 1, 2014, 520 hz (low frequency) notification appliaces will be required by 2010 & 2013 NFPA 72 ( for all sleeping rooms (e.g. hotels, dorms, etc.).
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