Bose DesignMax DM3C In‑Ceiling Loudspeaker, White, Pair

The Bose DesignMax DM3C is a coaxial two-way in-ceiling loudspeaker pair rated for 30 watts, designed to deliver clear, intelligible audio with a clean aesthetic suited for commercial environments. Its compact size and ceiling integration support make it ideal for multi-zone audio systems in retail, hospitality, or corporate projects.

Featuring a 3.5-inch woofer and 0.75-inch coaxial tweeter combined via the Dispersion Alignment system, the DM3C provides smooth frequency response from 75 Hz to 20 kHz without requiring user EQ. The QuickHold mounting system streamlines installation and reduces labor time.

Whether deployed in retail floors, conference rooms, or hallways, the DM3C integrates into ceiling spaces with minimal visual impact while providing dependable coverage and clarity alongside other DesignMax models.

Key Features

• Coaxial 2‑Way Design: Woofer and tweeter in a single axis for coherent sound
• 30 W RMS Power Rating: Adequate for background or foreground audio zones
• Frequency Response: 75 Hz to 20 kHz range without external processing
• Dispersion Alignment Technology: Matches coverage of woofer and tweeter for uniformity
• QuickHold Mounting System: Speeds up ceiling installation and secures the speaker
• White Paintable Grille: Blends into ceiling aesthetics, customizable to match interiors
• UL & Plenum Rated: Suitable for commercial in-ceiling use with building code compliance

Technical Specifications

• Driver Configuration: 3.5-inch woofer + 0.75-inch coaxial tweeter
• RMS Power Handling: 30 W
• Frequency Range (‑3 dB): 75 Hz to 20 kHz
• Impedance: 8 ohm nominal (with possible transformer variants in some models)
• Sensitivity: (Not specified) — manufacturer does not list
• Mounting System: QuickHold arms for tool-less installation
• Grille Finish: White, paintable
• Safety / Compliance: UL 1480A, UL 2043 plenum / ceiling space rated, NFPA 70 & 90‑A compliant

What’s in the Box