Listen Technologies LA-404 Universal Single Ear Bud with Earphone Extension Cable

Designed for assistive listening and professional monitoring environments, the Listen Technologies LA-404 Universal Single Ear Bud delivers clear audio while allowing wearers to remain aware of ambient sounds. This single-ear earphone is perfect for security teams, surveillance operators, guided-tour staff and event monitors who need reliable, comfortable communication without isolating the listener. The LA-404 features a standard 3.5 mm mini-phone connection and a 1' extension cable for easy use with belt-worn receivers or neck loop/lanyard setups. With a flat 20 Hz–20 kHz frequency response and 32 ohm impedance, the mono output emphasizes speech clarity—critical for command-and-control, courtroom or healthcare applications. The universal in-ear form factor fits a wide range of users and the hard plastic shell is simple to disinfect; disposable foam cushions (LA-163) are available for added comfort and hygiene. RoHS-compliant and built for daily professional use, the LA-404 balances durability and portability at just 0.32 oz. Choose the Listen Technologies LA-404 when you need unobtrusive, dependable audio for security, surveillance, or assistive listening—order today or contact us to discuss volume or institutional purchasing.

• Comfortable in-ear design preserves awareness of ambient sound for safer monitoring and surveillance
• Universal fit and lightweight construction for all-day wear during tours, events or security shifts
• Works with neck loop, lanyard or included 3.5 mm extension cable for receiver/belt-clip connectivity
• Durable, easy-to-clean plastic housing and optional disposable foam cushions for hygiene in shared environments
• Wide 20 Hz–20 kHz frequency response and 32 ohm impedance deliver clear voice audio ideal for assistive listening and monitoring