AXON K-812 Rechargeable Sound Amplifier – In-Ear Hearing Amplifier

The AXON K-812 Rechargeable Sound Amplifier is a compact in-ear personal sound amplification device designed to amplify surrounding sounds and speech for improved listening in everyday environments. The K-812 features a discreet earbud-style design with a portable rechargeable charging case, eliminating the need to continually replace disposable batteries. It can be worn in either ear and is supplied as a pair for binaural use. Multiple ear domes help users obtain a more comfortable fit. The device provides simple one-touch operation and multiple volume levels with audible prompts. Current K-812 listings specify a maximum output around 112 dB ±3 dB, full-on gain up to approximately 30 dB, a 450–3000 Hz frequency range, and rechargeable operation. It is suitable for users who need additional sound amplification when having conversations, watching television, attending meetings or lectures, and participating in everyday social activities. Key Features Rechargeable personal sound amplifier Compact in-ear (ITE) design Pair for left and right ears Portable rechargeable storage/charging case USB charging One-touch operation Five-level volume adjustment reported for K-812 Audible volume prompts Multiple listening modes reported by sellers Lightweight and discreet earbud-style construction Replaceable ear domes/tips Designed for either-ear use No disposable hearing-aid batteries required Suitable for everyday sound amplification Technical Specifications Specification AXON K-812 Brand AXON Model K-812 Product Type Rechargeable Sound Amplifier Style In-the-Ear (ITE) Configuration Dual Ear / Pair Sound Processing Digital Sound Amplification Maximum OSPL90 Approx. 112 dB ±3 dB* Full-On Gain ≤30 dB* Frequency Range 450–3000 Hz* Equivalent Input Noise 29 dB ±3 dB* Volume Control 5 levels reported Operation One-touch control Listening Modes Multiple modes reported Power Source Built-in Rechargeable Battery Charging Method USB / Charging Case Earbud Charging Time Approx. 1.5–2 hours Charging Case Time Approx. 3–4 hours Charging Case Capacity 300 mAh reported Operating Time Approx. 12–30 hours, depending on use Ear Compatibility Either Ear Ear Tips/Domes Replaceable Colour Black Portable Yes Reusable Yes