Bose DesignMax DM3C Ceiling Loudspeaker - 25W - 2-Way Coaxial - Arctic White

The Bose DesignMax DM3C is a high-performance ceiling-mount loudspeaker designed for commercial PA systems. Featuring a 2-way coaxial driver configuration with a 3.25-inch woofer and a 0.75-inch tweeter, it delivers clear, full-range audio with a wide 140° conical coverage. With 25W RMS power handling (100W peak) and selectable transformer taps for 70V and 100V systems, it integrates seamlessly into distributed audio installations. The Arctic White finish blends with most ceiling tiles, and the IP55-rated front baffle ensures durability in demanding environments.

Advantages

Exceptional sound quality in a compact ceiling form factor, easy installation with quick-hold arms, and versatile power handling for both low-impedance and constant-voltage systems. The coaxial design ensures consistent coverage and smooth frequency response.

Suitable for

• Commercial PA systems in retail, hospitality, and office spaces
• Background music and paging applications
• Ceiling-mount installations requiring wide coverage

Key specifications

• Speaker Type: Ceiling-mount Loudspeaker
• Driver Configuration: 2-way Coaxial
• Woofer Size: 3.25 inches (83 mm)
• Tweeter Size: 0.75 inches (19 mm)
• Frequency Response (-10 dB): 75 Hz - 20 kHz
• Nominal Coverage (Conical): 140°
• Power Handling (RMS): 25 W
• Power Handling (Peak): 100 W
• Nominal Impedance: 8 Ohms (transformer bypass)
• Transformer Taps (70V): 3 W, 6 W, 12.5 W, 25 W
• Transformer Taps (100V): 6 W, 12.5 W, 25 W
• Sensitivity (SPL 1W/1m): 84 dB
• Maximum SPL (Peak): 104 dB
• Enclosure Material: Engineered plastic with steel backcan
• Color: Arctic White
• Mounting Type: Ceiling-mount with quick-hold arms
• Connectors: Euroblock 6-pin
• Cutout Diameter: 210 mm (8.3 inches)
• Overall Diameter: 250 mm (9.8 inches)
• IP Rating: IP55 (front baffle, when installed)

Recommendations

For optimal performance, pair with a compatible Bose amplifier and ensure proper ceiling cutout dimensions. Ideal for distributed audio systems requiring high intelligibility and wide coverage.