Are you struggling with unclear conversations in noisy restaurants, muffled TV audio at home or faint ambient sounds during outdoor walking? Our XB-303 Neckband Hearing Amplifier is engineered to solve daily hearing obstacles for people with mild to moderate hearing impairment and aging seniors, perfectly blending trending AI intelligent sound processing technology, ergonomic neck-worn design and professional acoustic configuration, becoming a cost-effective wearable hearing helper prevailing in global healthcare consumer market in 2026. Unlike traditional plug-in hearing amplifiers that blindly amplify all surrounding sounds and bring harsh noise interference, this rechargeable neckband hearing amplifier equips upgraded adaptive sound chip with four switchable working modes, which is developed following the booming smart hearing health trend across Europe, North America and Southeast Asia. Whether users are chatting quietly in bedroom, dining in crowded cafes, strolling outdoors against windy weather or enjoying TV programs on couch, XB-303 can match corresponding sound optimization solution to deliver crisp, natural human voice and effectively filter unwanted ambient distractions.
Crafted with ultra-lightweight construction, the whole device only weighs 29.5g with compact dimension of 160 130 18mm, the flexible silicone neckband smoothly fits human neck contour without tight binding or dropping off during long-time wearing, daily housework, outdoor jogging and short-distance travel. Freed from the constraint of disposable replaceable button batteries, our XB-303 adopts built-in rechargeable lithium battery with standard USB 5V/50mA universal charging specification, only needing 2 hours full charging via common USB charging cable to achieve continuous 8~10 hours stable working time, which largely cuts down long-term recurring battery cost for end users and delivers outstanding eco-friendly and economical value compared with conventional disposable hearing amplifiers on market.
Every official retail set comes with complete accessory pack: 1pc dedicated cleaning tool for daily device maintenance, 3 different sizes of soft silicone earplugs to fit diversified ear canal diameters, 1 customized color gift box, 1 detailed multi-language user manual and 1 original USB charging wire, all spare parts enable users to start using the hearing amplifier right out of package without extra accessory purchasing trouble. For bulk wholesale partners, we adopt optimized export carton packing standard: 100 pieces per outer carton, carton measurement at 635336cm with total gross weight of 24kg, compact layout effectively saves international air and sea shipping cost for global distributors, and our factory's direct wholesale price starts from USD15 when order quantity hits 200pcs, creating prominent profit margin for resellers.
We invest long-term R&D resources on acoustic calibration to ensure stable, industry-leading sound performance for XB-303, all core parameters pass repeated lab testing and strict finished-product inspection, fully compliant with mainstream global consumer electronic standard:
Max Sound Output: 130±3dB, sufficient sound volume covers daily mild & moderate hearing loss compensation without sudden ear-piercing sharp sound;
Sound Gain: ≥40dB, steadily boosts low-volume human speech and faint environmental sound to reach comfortable audible level for hearing-impaired users;
Total Harmonic Wave Distortion: ≤10%, low distortion rate guarantees pure, layered sound output, avoids muddy and distorted voice during long-hour listening;
Frequency Range: 450-3000Hz, precisely covers the core frequency band of daily human conversation, TV dialogue and regular environmental sound, matches human ear's most sensitive audio spectrum;
Rated Working Voltage: USB 5V/50mA, universal USB charging design compatible with mobile power bank, laptop USB port, wall USB adapter for flexible daily charging;
Working Current: ≤12mA, low-power consumption circuit design extends overall battery service lifespan and reduces frequent recharging frequency.
The biggest competitive highlight of our XB-303 hearing amplifier lies in its 4 optional scene modes empowered by built-in AI sound recognition algorithm, the hottest technical upgrade in current global hearing auxiliary industry. Each independent mode is pre-calibrated with exclusive sound parameter targeting specific living environment:
Mode 1: Quiet Indoor Mode
Optimized for silent home space such as bedroom and study room, the chip moderately enhances low-frequency soft voice while keeping original ambient background quietness, perfect for chatting with family members and reading accompanying sound at home.
Mode 2: Noisy Crowd Mode
Specially designed for busy dining halls, supermarkets and crowded family parties, AI algorithm instantly identifies messy background chatter, tableware collision noise and crowd echo, automatically cuts off over 60% useless ambient noise and focuses on amplifying front-facing human conversation, solving the core pain point of failing to catch words amid noisy surroundings.
Mode3: Outdoor Windproof Mode
Professional wind noise suppression program is embedded inside this mode, efficiently filters natural wind rustle from walking outdoors or cycling, avoids annoying booming wind interference and keeps clear voice pickup when users hang out in park or take public transit.
Mode4: TV & Media Mode
Tuned for home television watching, the frequency optimization strengthens TV human dialogue sound while weakening over-loud background music and program sound effect, users can follow TV plots clearly without turning up TV volume to disturb other family members.
Manufacturer Advantage | About Hangzhou Health Shining Electronic Technology
All XB-303 hearing amplifiers are independently researched, developed and manufactured by Hangzhou Health Shining Electronic Technology, a professional certified Chinese healthcare electronic manufacturer with years of specialized experience in digital thermometer, blood pressure monitor and full-series hearing amplifier production, you can check our full enterprise introduction via official website link: https://www.zjkhealth.com/about-us.
Our company owns a standardized production workshop covering total area of 5000 square meters with more than 100 skilled full-time employees including professional acoustic R&D team, certified quality control inspectors, experienced production assembly workers and dedicated after-sale service specialists. We build exclusive independent production assembly lines specially for hearing amplifier production, separating raw material processing, chip programming, acoustic parameter debugging, finished product aging test and packaging procedure to realize standardized streamlined production. Strictly following ISO13485 international medical device quality management system, we implement full-process quality inspection from raw material incoming verification to finished product outbound testing, every single XB-303 unit undergoes multi-round acoustic parameter calibration and aging durability test before leaving factory to guarantee stable consistent quality for every shipment.
Thanks to mature production layout, our factory maintains stable monthly bulk production capacity for healthcare electronic products, which enables us to flexibly arrange production schedule and shorten order lead time for global clients whether small trial sample order or large container bulk order. All our finished hearing amplifier products complete CE and RoHS authoritative certification, fully satisfy market access regulation requirement of European Union, United States and most mainstream overseas countries, helping importers smoothly clear local customs without certification trouble.
Besides standard off-the-shelf XB-303 stock products, we provide comprehensive OEM & ODM customized service for global brands, distributors and private label sellers. Our customizable service scope includes private brand logo printing on product body and retail box, personalized gift box artwork design, fine-tuning partial sound parameter based on regional market preference and exclusive new mold opening for customized appearance development. We set friendly customized minimum order quantity of 500pcs for customized projects, our in-house R&D and mold team can finish design draft confirmation, sample production and mass production arrangement efficiently, providing one-stop customized solution for all cooperation partners worldwide. We never earn extra profit from freight forwarding service for our clients, if buyers have fixed cooperative local forwarder, we support delivering finished goods to designated Chinese warehouse and fully assist sorting out all required customs clearance documents to save clients' logistics trouble.
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