Bose DesignMax DM3C Ceiling Speakers (Pair) – 3.5" 30W 2-Way Coaxial Loudspeakers for Commercial Installations

Engineered for professional audio environments, the Bose DesignMax DM3C ceiling speakers (pair) offer premium sound quality with a sleek, minimalistic aesthetic. Designed for indoor commercial spaces, each speaker combines a 3.5-inch coaxial woofer and a 0.75-inch neodymium tweeter within a compact enclosure, delivering a full-range frequency response of 75 Hz – 20 kHz. The DM3C loudspeakers achieve powerful, room-filling performance with no need for DSP or EQ adjustments, making them ideal for integration in retail stores, restaurants, conference rooms, houses of worship, and hospitality venues.

The integrated Dispersion Alignment system ensures consistent sound coverage throughout the space, while the QuickHold spring-loaded mounting arms simplify installation and reduce the risk of product damage. These speakers blend seamlessly with any room design, available in black or white, featuring paintable grilles and removable logos. Their compatibility with Bose DSPs and SmartBass technology enhances performance even further, creating a dynamic and balanced audio experience at any listening level. Designed to meet rigorous safety and installation standards, the DM3C is UL 1480A and UL 2043 certified for plenum spaces, ensuring safe and compliant operation.

Key Features

• Full-Range Audio Performance: Features a 3.5-inch woofer and 0.75-inch coaxial tweeter with 75 Hz – 20 kHz frequency response, delivering balanced highs and surprising low-end clarity for compact ceiling speakers.

• Uniform Sound Distribution: The patented Dispersion Alignment system aligns the coverage of the woofer and tweeter, ensuring consistent, room-wide audio quality.

• Hassle-Free Installation: Equipped with Bose’s QuickHold mounting system for fast, tool-less installation, minimizing the risk of damage and installation fatigue.

• Sleek and Discreet Design: Features low-profile, paintable grilles in black or white with removable logos for seamless architectural integration.

• DSP and SmartBass Compatibility: While EQ and DSP are not required, better performance can be unlocked with Bose Professional DSPs and SmartBass processing.

• Versatile Applications: Ideal for use in performance venues, hospitality, retail, houses of worship, and business environments.

• Standards-Compliant: Certified for plenum-space use (UL 1480A, UL 2043), making them suitable for a wide range of commercial installations.

Specifications

Compliance

• Safety Certifications: UL 1480A, UL 2043 (plenum-rated), NFPA 70 & 90A, CE compliant

Physical Specifications

• Colors: Black (RAL 9005), White (RAL 9003-like), paintable

• Grille: Magnetically attached perforated steel, paintable, with safety tether

• Ceiling Cutout: 8.2 in (208 mm)

• Mounting: (3) QuickHold spring-loaded arms, (3) safety cable points

• Temperature Range: 0 °C to 50 °C (32 °F to 122 °F)

• Enclosure Material: Engineered plastic front, steel backcan

• Dimensions (Speaker): 10.0 in × 6.0 in (255 mm × 154 mm)

• Dimensions (Backcan): 8.0 in × 5.7 in (203 mm × 144 mm)

• Weight: 5.9 lb (2.7 kg) per speaker

• Shipping Weight: 19.2 lb (8.7 kg) per pair

Performance

• Frequency Range: 75 Hz – 20,000 Hz

• Max SPL (1m): 98 dB

• Sensitivity: 83 dB (SPL/1 W at 1 m)

• Nominal Impedance: 8 Ω (bypass mode)

• Power Handling: 30 W continuous / 120 W peak

• Transformer Taps (70V/100V): 3 W, 6 W, 12 W, 25 W, bypass (70V); 6 W, 12 W, 25 W, bypass (100V)

• Coverage: 135° conical (horizontal & vertical)

• Recommended High-Pass Filter: 80 Hz, 24 dB/octave

Transducers

• Tweeter: 0.75 in (20 mm) neodymium dome, coaxially mounted

• Woofer: 3.25 in (83 mm)

• Crossover: 1.7 kHz passive 2-way

• Driver Protection: Recommended high-pass filtering

Conclusion
The Bose DesignMax DM3C ceiling loudspeakers were designed with professional installers and sound integrators in mind, offering outstanding sound performance, easy installation, and aesthetic adaptability. Whether used in a boutique retail space or a large hospitality venue, these 30W coaxial speakers ensure reliable, high-quality audio performance and visual harmony within any commercial interior. Their intelligent design and premium build make them a dependable solution for modern sound reinforcement needs.