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.

DSP5211 10W 6.5 Inch Coaxial Frameless Ceiling SpeakerMarch 21, 2017This product is a coaxial two-frequency ceiling speakers. With wide angle and high output power, it can output good sound effect. Besides, it’s easy to install. It’s an ideal choice for you .view
DSP5211L 10W 6.5 Inch Coaxial Frameless Ceiling Speaker (8Ω)August 29, 2019This product is a coaxial two frequency ceiling type speaker,with a wide range of sound diffusion.large output power.easy installion fear,can reproduce the voice and music. It’s an indeal choice for ...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.
Opening Ceremony of DSPPA Audio MuseumNovember 29, 2016Opening Ceremony of DSPPA Audio Museum -The First Audio History Museum in ChinaMay 28, 2016, DSPPA successfully held the opening ceremony for the audio museum and science popularization education base...view
Tips for Selecting Best PA AmplifierAugust 6, 2018The power amplifier with high power undoubtedly has its own advantages, but it doesn’t mean that the power higher, the better. All aspects of the factors should be taken into account. In terms of pow...view