The DSP502 is a ceiling speaker, also known as flush mount 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 (100-16,000Hz), 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; Spring clip clamp ensures the easy and secure installation; Driver surround excellent damping, long life, with clear and sonorous sound.
This flush mount speaker is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.

DSP124 Round Type 6.5 Inch Ceiling SpeakerAugust 16, 2018The DSP124 is a 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 c...view
DSP901 4.5 Inch 5W-10W Fireproof Ceiling SpeakerApril 14, 2017The DSP901 is a 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 c...view
DSP903II Ceiling Speaker with Fire DomeAugust 29, 2019This product is widely use in schools, gyms, squares, parks, parking lots, train stations, airports, villas, supermarkets and shopping malls. It is an ideal choice for public broadcasting.viewwe will contact you within 24 hours.
DSPPA | ISE 2026: Connect with Us at Booth 7A900January 12, 2026Abstract: Join DSPPA at ISE 2026 in Barcelona (Feb. 3–6). Head to Booth 7A900 for exclusive audiovisual tech demos and collaboration discussions. Don’t miss out!view
Enhancing Hotel Experience with Zone Mixer AmplifiersJanuary 8, 2024In today's competitive hospitality industry, providing a remarkable guest experience is crucial for the success of any hotel. And to achieve that, hotels are constantly exploring new technologies ...view