Bose Professional DesignMax DM3C In-Ceiling Loudspeaker (135° conical, 98 dB SPL, Indoor)
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Bose Professional DesignMax DM3C
30 W ceiling loudspeaker with coaxial two-way drivers; clear highs, impressive bass for its size, and an elegant design suitable for commercial indoor installations.
Coaxial two-way drivers
Coaxial design provides clear highs and impressive low-frequency response for its size.
Dispersion Alignment system
Matches woofer and tweeter coverage, delivering consistent listening experience throughout the room.
Quick and secure mounting
Reduces installation time and hassle with patented QuickHold spring-loaded mounting arms; plenum-rated backcan and adjustable tile bridge included.
Bose EQ and SmartBass compatibility
No additional EQ is required for the loudspeaker; optional Bose Professional EQ voicing and SmartBass support are available.
Technical Specifications
Loudspeaker Type : In-ceiling loudspeaker
Application Area : Indoor, commercial audio installations
Mounting Type : Ceiling mount; three QuickHold spring-loaded mounting arms; front-panel access audio wiring; plenum-rated backcan and adjustable tile bridge included
Color : White (RAL 9003) or black (RAL 9005), paintable
Coverage Angle : 135° conical (1–4 kHz and 1–10 kHz)
Maximum SPL : 98 dB / 97 dB (calculated @1 m); Peak 104 dB / 103 dB (Peak @1 m)
Sound Pressure (1W/1m) : 83 dB
Frequency Response : -3 dB: 85 – 19,000 Hz; -10 dB: 75 – 20,000 Hz
Power Handling (AES / Peak) : Long-term continuous: 30 W / 25 W; Peak: 120 W / 100 W
Woofer : 1 × 83 mm (3.25 in) woofer
Tweeter : 1 × 20 mm (0.75 in) neodymium dome tweeter, coaxially mounted
Impedance : 8 Ω (transformer bypass)
Crossover Network : 1.7 kHz (passive 2-way network)
Connection Type : Euroblock 6-pin, loop-through, front-panel mounted
70V/100V Transformer : 70V: 3, 6, 12, 25 W, bypass; 100V: 6, 12, 25 W, bypass
Connector : Euroblock 6-pin connector; accepts 18 AWG (0.8 mm2) – 14 AWG (2.5 mm2) wire; top and side conduit entry knockouts, 9.5 mm (3/8 in) conduit capability
Operating Temperature : 0 °C to 50 °C (32 °F to 122 °F)
Dimensions (Diameter / Depth) : 255 × 154 mm (grille diameter × depth)
Mounting Cutout : 208 mm (8.2 in)
Weight : Loudspeaker net: 2.68 kg (single, with grille); Tile-Bridge: 0.8 kg (single); Shipping weight (pair): 8.7 kg
Material : Front baffle: engineering plastic; backcan: steel
Certification : UL Listed; UL 1480A; UL 2043 compliant (for plenum space installation); NFPA 70 & NFPA 90A; CE
Shipping & Return Terms
Fast Shipping: 24-hour delivery within North Cyprus · 3–5 business days between Türkiye and North Cyprus
Returns: 14-day no-questions-asked returns · In original packaging, unused
Warranty: All products are distributor approved and carry a 24-month warranty.
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