DSP9331 Audio Intercom Terminal with One ButtonApril 15, 2024The product is an all-digital network-based intercom device with a proven VOIP solution at its core, stable and reliable performance; adopts hands-free digital full duplex mode for clear and loud voic...view
DSP9332 Audio Intercom Terminal with Two ButtonsApril 15, 2024The product is an all-digital network-based intercom device with a proven VOIP solution at its core, stable and reliable performance; adopts hands-free digital full duplex mode for clear and loud voic...view
DSP9336 Campus Anti-Bullying Intelligent Early Warning SystemSeptember 4, 2025The campus anti-bullying system supports long-distance audio pickup and automatically triggers an alarm and recording upon detecting specific keyword speech, with both audible and visual alerts. Each ...viewwe will contact you within 24 hours.
What Is Public Address Amplifier?May 25, 2023The Basics of PA AmplifiersPublic Address (PA) systems have become an essential tool for delivering clear, intelligible sound in various settings, including schools, houses of worship, stadiums, and p...view
Introduction of Wall Mounted Active SpeakersAugust 6, 2018Wall mounted active speaker box is a whole set of sound system, which consists of a sound source input device, a signal amplifier (power amplifier) and wall mounted speaker. Wall mounted sound: it is ...view


