The DSP504 is a surface mounted ceiling speaker with a 70v/100v transformer built in. 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(300-14,000Hz), the multiple terminals 1.5W, 3W & 6W can be applied to different occasions vary in area sizes and background noises; It is made of high quality engineering plastic, with long-term durability, and will never be out of shape or fading;No roof cutout direct mounting on ceiling by 4 screws ;waterproof, long life, with clear and sonorous sound.
This surface mount ceiling speaker is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.

DSP159 ABS 6.5 Inch Ceiling Speaker With TransformerNovember 15, 2016The DSP159 is a Hifi ceiling speaker, also known as a coaxial ceiling speaker, which can be switched between the voltage terminal and the ohms terminal.view
DSP703 10W-20W Coaxial Ceiling SpeakerNovember 14, 2016Description:The DSP703 is a coaxial ceiling speaker with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmi...view
DSP211 8 Inch 50W Ceiling SubwooferMay 22, 2017We believes that the sound in a venue should be uncompromised, including the often overlooked secondary areas. To this end we are proud to introduce our subwoofer ceiling speaker to you.The speaker is...viewwe will contact you within 24 hours.
DSPPA | Unveil the Future at Booth W1E21, Security China 2024!October 8, 2024Abstract: We sincerely invite you to join us at Security China 2024 to witness the latest advancements in security technology.view
Comparisons on Network PA System MAG6000 and Network PA System DSP9000September 5, 2019In the aspect of public addressing, Network PA System MAG6000 and Network PA System DSP9000 work in the same way for functions and system connections.view