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Signia, part of WS Audiology, was founded in 2015 after Sivantos acquired Siemens Hearing Instruments and later merged with Widex in 2019. Headquartered in Denmark and Singapore, Signia offers prescription hearing aids tailored for individuals with mild to severe hearing loss across a global network. Signia models stand out with AI-powered speech enhancement and real-time sound adjustments, which are ideal for crowded or noisy environments. Their key features include Bluetooth Classic and LE Audio streaming, rechargeable batteries that support full-day use, and app-based controls featuring Signia Assistant and TeleCare. Users benefit from discreet styling options, ranging from ultra-slim behind-the-ear devices to invisible in-canal models and earbud-style options.  Customers generally report high satisfaction with sound clarity and design, though some note connectivity issues with the app and Android pairing challenges.