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Delivering rich low-end performance, the 180-watt Bose Professional DesignMax DM8C-SUB subwoofer brings instantly impressive bass to any commercial sound installation. The in-ceiling DM8C-SUB has an 8-inch woofer, 38 Hz – 155 Hz frequency range, and is installed easily via QuickHold mounting arms. DesginMax subwoofers complement and enhance any DesignMax installation.
Combine DesignMax models to complete any design, big or small — 12 loudspeakers to mix and match, from 2-inch, low-profile models to 8-inch, high-SPL compression-driver loudspeakers and outdoor-rated options
Deliver rich bass performance with custom Bose Professional drivers; for optimal performance use select Bose Professional DSPs and amplifiers to enable Bose Professional loudspeaker EQ and SmartBass processing, which expands performance and response at any listening level
Blend with any room design with elegant form factors, minimum-bezel grilles available in black or white, and removable logos
Reduce installation time with the patented QuickHold mounting system, which also reduces strain, hassle, and the chance of product damage
Install easily with industry-standard accessories — all models include Euroblock connectors; in-ceiling models include plenum-rated backcans, tile bridges, and front-access audio wiring that makes installation and troubleshooting easier
Designed for a wide range of applications, including:
Performing arts venues
Places of worship
Conference centers
Retail stores
Restaurants and bars
Hospitality venues
Environmental
Indoor only
Colors
Black (RAL 9005), white (similar to RAL 9003), paintable
Ceiling Cutout
13.8 in (349 mm)
Enclosure Material
Engineered-plastics front baffle with integrated steel-formed backcan
Grille
Magnetically attached perforated steel, powder-coated finish, paintable, with safety tether
Logo
Rotatable, removable
Suspension/Mounting
(3) QuickHold spring-loaded mounting arms, (3) safety cable attachment points
Net Weight
21.9 lb (9.9 kg), loudspeaker with grille (single) / 2.2 lb (1.0 kg), tile bridge (single)
Operating Temperature Range
0 °C to 50 °C (32 °F to 122 °F)
Product Dimensions (H×W×D)
16.1 in × 10.0 in (409 mm × 255 mm), loudspeaker diameter × depth / 13.4 in × 9.5 in (340 mm × 240 mm), backcan diameter × depth
Shipping Weight
28.5 lb (12.9 kg)
Safety Agency Ratings
UL-1480A, S5591/ UL Listed, in compliance with UL2043 for plenum-space installation, NFPA70 & NFPA90-A, CE compliant
Frequency Range (-10 dB)
38 Hz – 115 Hz
Coverage, Horizontal
Omnidirectional below 200 Hz
Calculated Maximum SPL @ 1 m
112 dB
Nominal Impedance
8 Ω (transformer bypass)
Power Handling, long-term continuous
180 W
Power Handling, Peak
720 W
Recommended Signal Processing
Not required, Bose Professional EQ voicing and SmartBass processing available
Sensitivity (SPL/1 W at 1 m)
89 dB
Transformer Taps, 100V
40, 80, 150 W, bypass
Transformer Taps, 70V
20 W, 40 W, 80 W, 150 W, bypass
Coverage, Vertical
Crossover
80 Hz – 200 Hz via active crossover in DSP
Driver Protection
Recommended high-pass protection 40 Hz with recommended 18 dB/octave filter
Low-Frequency
1 × 8 in (203 mm) woofer
(1) cutout template
(1) tile bridge
