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 high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.
The built-in 5'' speaker driver is designed of wide frequency response (60-20,000Hz), and rated power output is 20W; It is made of high quality engineering plastic, which ensures long-term durability, and will never be out of shape; Construction of dual-crossover, its flush mount type makes the easy and secure installation possible; Driver surround excellent damping, long life, clear and sonorous sounds.
This 2 way loudspeaker is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.

Model | DSP915 | |
Full-range | 5” x 1, 1” x1” | |
Rated Power | 20W | |
Power Adjustment | 70V | 3W/6W/10W |
100V | 6W/10W/20W | |
8Ω | 20W | |
Sensitivity (1m,1W) | 90±2dB | |
Max SPL(1M) | 103±2dB | |
Freq. Response | 60Hz-20kHz | |
Cutout Size | Ø170 mm | |
Dimensions (H x W x L) | 224 x Ø198mm | |
Weight | 2.9kg | |
DSP7054 6.5'' 40W Coaxial Ceiling SpeakerMarch 26, 2025This product is a ceiling speaker with 40W rated power. It has excellent sound quality, simple structure, and convenient power supply setting, easy installation. It is suitable for indoor environment...view
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
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.
The Function and Characteristic of PreamplifierApril 29, 20211. The basic function of preamplifierThe preamplifier is the connection device between various audio source equipment (including ordinary audio sources such as CD players, tuners, decks, MP3 players a...view
Classification of Conference SystemsMay 24, 2021Ⅰ. The conference system divided by computer equipment1. Video conference systemVideo conference is a kind of television system used for conferences, which mainly transmits video and audio signals. I...view