Door-station speakers, indoor monitor drivers and siren sounders — two-way clarity outdoors, unmistakable alarms indoors, wiring that stays within load limits.
Weatherproof speech drivers and mics that keep conversations clear on rainy facades.
Full-range monitor speakers for handsets and wall units with low feedback coloration.
High-sensitivity drivers for alarm sounders, verified against audibility margins.
Zone speakers and 100V line drivers for apartment and campus installations.
Figures from public industry trackers and standards bodies, checked in November 2026 — use them for orientation, not as investment research.
video intercom market, 2025 to 2033 forecast (DataHorizzon Research)
of intercom demand from Asia-Pacific — the region our factories supply daily
NFPA 72 public-mode audibility rule for notification appliances
Intercom audio is a two-way trade-off: the louder the door-station speaker, the more the microphone picks it up. We tune speaker and mic placement together to keep calls feedback-free, while alarm sounders follow the opposite rule — as loud as the margin requires, placed so wiring loads stay legal. The wiring calculator below keeps your total impedance inside amplifier limits.
Every item below ships from our own factories in Jiashan and Shenzhen — with sample curves, batch data and EOL test conditions agreed up front.
Send your target specs, sizes and volumes. An engineer — not a sales script — replies with driver options, sample data and realistic timelines.