DSPPA DSP501 Round Type 4.5 Inch Ceiling PA Speaker, now available at Tech Land BD, a trusted source for professional audio systems in Bangladesh. Designed specifically for background music and paging systems, the DSP501 offers a perfect balance of sound quality, reliability, and aesthetic integration, making it an ideal solution for commercial settings such as offices, hotels, shopping malls, restaurants, and educational institutions. With its compact yet powerful 4.5-inch driver unit, this ceiling speaker is capable of delivering a consistent and clear audio experience across a broad frequency range of 75Hz to 20kHz, ensuring both voice and music are rendered with fidelity and richness. Operating on both 70V and 100V line voltage systems, the speaker supports selectable power taps of 1.5W, 3W, and 5W at 70V, and 3W and 6W at 100V, allowing installers to customize power output according to room size and acoustic needs. With a sensitivity rating of 91±2dB and a maximum SPL of 96±2dB at 1 meter, the DSP501 ensures effective audio coverage with minimal amplification requirements, which helps optimize system efficiency. Its durable construction and low-profile round design allow for flush ceiling mounting, delivering not only clear audio but also a clean and discreet appearance. The cutout size of Φ154mm and total dimensions of Φ180mm x 80mm ensure the speaker fits neatly into standard ceiling tiles and drywall openings, making it easy to install or retrofit into existing systems. Weighing only 0.8kg, the DSP501 is lightweight and easy to handle during installation while still maintaining a solid and durable structure. The speaker's wide frequency response enables it to reproduce both high and low tones effectively, making it suitable for diverse applications, whether for clear vocal announcements in a paging system or ambient background music in a retail environment. The transformer-based design ensures stable long-distance audio transmission over 70V/100V distributed systems without signal degradation. As a passive speaker, it relies on a central amplifier, simplifying system design and ensuring that multiple speakers can be wired efficiently in series or parallel, depending on the layout. Its sleek grille design helps it blend into any ceiling environment, while its robust acoustic performance ensures it stands out in terms of sound clarity. Whether you're outfitting a large commercial building or a small boutique space, the DSPPA DSP501 offers reliable, long-lasting audio performance in a compact package. Trust Tech Land BD to provide you with original DSPPA audio equipment and expert advice on setup and configuration. Ideal for both new installations and upgrades, the DSP501 ceiling speaker delivers exceptional performance and value in any distributed audio system. With professional-grade specs and installer-friendly design, it's the go-to choice for efficient sound coverage in indoor public spaces across Bangladesh.

 Yes, it supports both 70V and 100V line systems with selectable power taps for each voltage level.

The cutout size required for installation is Φ154mm.

It’s ideal for paging and background music in commercial environments like offices, hotels, shops, and schools.