Bose Professional DesignMax DM8C Ceiling Loudspeaker (135°/120°, 119 dB Peak, Indoor)
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Bose Professional DesignMax DM8C
With coaxial two-way drivers and 150 W continuous power, the DM8C delivers high SPL for foreground music. An 8-inch woofer and a center-oriented 1-inch compression driver provide a frequency range of 52 Hz – 20 kHz, with easy installation using QuickHold mounting arms.
High SPL
Calculated 113 dB @1 m continuous; 119 dB @1 m peak
Coaxial two-way driver
1 x 8-inch woofer and center-oriented 1 x 1-inch compression driver
Wide frequency range
52 Hz – 20 kHz (–10 dB range), 60 Hz – 20 kHz (–3 dB response)
Bose EQ and SmartBass
Wider performance options with Bose Professional EQ and SmartBass processing
Specifications
Speaker Type : In-ceiling speaker
Usage Area : Indoor
Mounting Type : In-ceiling mount with QuickHold mounting arms
Color : Black: RAL 9005 / White: RAL 9003, paintable
Coverage Angle : 135° conical (1–4 kHz); 120° conical (1–10 kHz)
Maximum SPL : 113 dB calculated @1 m; 119 dB peak @1 m
Sound Pressure (1W/1m) : 91 dB
Frequency Response : 60 – 20,000 Hz (–3 dB); 52 – 20,000 Hz (–10 dB)
Power Handling (AES / Peak) : Long-term continuous: 150 W; Long-term continuous (extended test): 125 W; Peak: 600 W; Peak (extended test): 500 W
Woofer : 1 x 8-inch woofer (203 mm)
Tweeter : 1 x 1-inch compression driver, coaxial center-oriented (25 mm)
Impedance : 8 ohms (transformer bypass)
Crossover : 1.5 kHz (passive 2-way crossover)
Connection Type : Single top wire entry; allows for 9.5 mm (3/8 in) conduit entry
70V/100V Transformer : 70V: 2.5, 5, 10, 20, 40, 80 W, bypass; 100V: 5, 10, 20, 40, 80 W, bypass
Connector : Euroblock 6-pin, loop-through, front panel mounted; accepts 0.8 mm² (18 AWG) – 2.5 mm² (14 AWG) wire
Operating Temperature : 0 °C – 50 °C (32 °F – 122 °F)
Dimensions (Diameter / Depth) : 409 × 255 mm (grille diameter × depth)
Mounting Cutout : Cutout diameter 349 mm
Weight : Net (speaker + grille): 9.6 kg; Tile Bridge: 1.0 kg; Shipping weight: 12.7 kg
Certification : UL-1480A, S5591 / UL listed; UL2043 compliant (plenum-space); NFPA 70 & NFPA 90-A; CE compliant
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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