The DSP922G is a ceiling speaker with a 70v/100v transformer built in, and also is a ceiling speaker with fire dome. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.
The built-in 4.5'' speaker driver is designed of wide frequency response (130-20,000Hz), the multiple terminals 4W, 8W & 15W can be applied to different occasions vary in area sizes and background noises; It is made of high-class steel and fixed by stamping, which ensures long-term durability, and will never be out of shape; Equipped with leaded wire case which is hard to burn for fireproofing; Spring clip clamp makes the easy and secure installation possible; Waterproof driver surround excellent damping, long life, clear and sonorous sounds.
This fireproof ceiling speaker is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.

DSP7181L 8Ω 8'' 100W Coaxial Ceiling Speaker with Rear CoverJuly 8, 2025This product is an 8Ω ceiling speaker with a coaxial design, featuring a full-range driver and an tweeter, complemented with rear cover. The terminal connectors are located at the front for easy inst...view
DSP7154 Two-Way 5-Inch 40W Coaxial Ceiling Loudspeaker with Power TapJuly 28, 2025This product is a ceiling speaker with a coaxial design, featuring a full-range driver and a tweeter, complemented with a rear cover. It supports both 8Ω and 100V line inputs, with selectable power t...view
DSP915 5W-20W ABS Ceiling SpeakerNovember 14, 2016Description:The DSP915 is a ceiling speaker, also known as a 2 way ceiling speaker, it can be switched between the voltage terminal and the ohms terminal. The 70v/100v transmission is realized in a hi...viewwe will contact you within 24 hours.
Principles and Optimization of Digital Audio ProcessorsJune 24, 2025In the field of digital audio processing, the Digital Audio Processor (DAP) plays a crucial role. Through complex algorithms and calculations, it processes audio signals in various ways to enhance, ad...view
Unveiling Ceremony - “Voice of DSPPA” Going to AfricaAugust 6, 2020Abstract: Invitation to the Unveiling Ceremony - “Voice of DSPPA” Going to Africa.In a bid to build communication bridges with African countries and merchants in international trades, promote econom...view