SoundTube SM400I-BK 4" Coaxial Ported Surface Mount Speaker, 2-10 kHz, Black

Deliver intelligible paging and reliable background audio with the SoundTube SM400i 4" coaxial ported surface mount speaker. Engineered for commercial security and monitoring environments, the SM400i provides consistent dispersion from 2–10 kHz (independently verified) so announcements, alarms and voice prompts remain clear throughout retail, transportation, and surveillance areas. The coaxial 4" woofer and 1" tweeter combination, along with 20W RMS handling and 86 dB sensitivity, gives punchy, accurate sound from a discreet, low‑profile enclosure.

Designed for installers and system integrators, the corrosion- and theft-resistant Stealth™ U-bracket and tool-free, one-way fasteners speed secure mounting in both indoor and outdoor applications (IP4X). Weatherized components, included port plugs, Euroblock connector and a five-position tap switch (25/70.7/100V with transformer bypass) simplify deployment and stocking for multi-site projects. Ideal for security, surveillance, paging and monitoring systems that require dependable audio coverage with minimal visual impact. Add the SoundTube SM400i to your next public address or security audio design—contact sales or order online to streamline installation.

• Consistent high-frequency coverage up to 10 kHz for clear paging and voice intelligibility across large spaces
• Low-profile, corrosion-resistant Stealth™ U-bracket and tamper‑resistant hardware for secure, vandal-resistant installations
• Weatherized, ported enclosure and included port plugs for reliable indoor/outdoor use and reduced maintenance
• Flexible 5-position tap switch (25/70.7/100V) with transformer bypass simplifies inventory and system integration
• Compact 4" coaxial driver delivers balanced sound with 20W RMS power and 86 dB sensitivity for efficient, cost-effective coverage