{"id":2732,"date":"2026-11-05T07:12:22","date_gmt":"2026-11-05T07:12:22","guid":{"rendered":"https:\/\/www.aminy.cn\/?post_type=product&p=2732"},"modified":"2026-11-05T08:19:36","modified_gmt":"2026-11-05T08:19:36","slug":"f-aid4","status":"publish","type":"product","link":"https:\/\/www.aminy.cn\/en\/product\/f-aid4\/","title":{"rendered":"F-Aid4"},"content":{"rendered":"

F-Aid4 Behind-the-Ear Hearing Aid<\/h2>\n

Intended Use: Custom-fitted hearing aids designed to compensate for hearing loss caused by conductive hearing impairment.<\/p>\n

Key Product Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Digital Signal Processing Channel<\/th>\n64-Channel WDRC<\/td>\n<\/tr>\n
Frequency Response Range<\/th>\n200 Hz \u2013 6,000 Hz<\/td>\n<\/tr>\n
Maximum Sound Gain (HFA)<\/th>\n40 dB<\/td>\n<\/tr>\n
Maximum Sound Output (OSPL90)<\/th>\n110 dB \u00b1 5 SPL<\/td>\n<\/tr>\n
Bluetooth version<\/th>\nDual-Mode 5.3<\/td>\n<\/tr>\n
Streaming Features<\/th>\nDirect Connection for Calls, Music, and TV<\/td>\n<\/tr>\n
App Smart Interaction<\/th>\nSupport (self-adjusting)<\/td>\n<\/tr>\n
Feedback Suppression<\/th>\nStandard Feedback Suppression<\/td>\n<\/tr>\n
Use Cases<\/th>\n4 Basic Scenarios<\/td>\n<\/tr>\n
Dust and Water Resistance Rating<\/th>\nIPX5<\/td>\n<\/tr>\n
Battery Life (Hearing Aid Mode)<\/th>\n22 hours<\/td>\n<\/tr>\n
Charging Methods<\/th>\nMagnetic Contact Fast-Charging Case<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Product Features<\/h3>\n

Classic Bluetooth<\/h4>\n

Supports mobile calls and direct audio connection to TVs, allowing you to listen to music, take calls, and watch videos. The hearing aid battery life lasts up to 22 hours.<\/p>\n

RIC Invisible In-Ear<\/h4>\n

The receiver fits directly into the ear canal and, combined with an ultra-thin guide wire and open-back earbuds, offers both comfort and a discreet, aesthetic design.<\/p>\n

APP Smart Fitting<\/h4>\n

Take a hearing test via the mobile app to find a personalized hearing solution.<\/p>\n

Smart Charging Case<\/h4>\n

Equipped with a color display and a startup animation, it can independently display the remaining battery level and charging progress for the charging case and the left and right hearing aids.<\/p>","protected":false},"excerpt":{"rendered":"

The F-Aid4 behind-the-ear hearing aid features 64-channel WDRC digital signal processing and supports Bluetooth audio and app-based customization. It comes with a charging case featuring a color display and offers 22 hours of battery life in hearing aid mode.<\/p>","protected":false},"featured_media":2733,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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