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With coaxial two-way drivers, the 150-watt Bose Professional DesignMax DM8S loudspeaker delivers powerful SPL suitable for foreground music — along with premium aesthetics that complement any commercial sound installation. The DM8s features a two-way, 8-inch woofer and a center-firing coaxial 1-inch compression driver, delivering a 52 Hz – 20 kHz frequency range. The DM8S is surface-mounted and locks onto a hidden QuickHold U-bracket for fast, secure 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 lows and clear, intelligible highs with coaxial two-way drivers — no DSP or EQ required. For even better sound, 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
Deliver high SPL for clear foreground music
Designed for a wide range of applications, including:
Performing arts venues
Places of worship
Conference centers
Retail stores
Restaurants and bars
Hospitality venues
Safety Agency Ratings
UL-1480A, S5591/ UL Listed, NFPA70, CE compliant
Colors
Black (RAL 9005), white (RAL 9003), paintable
Enclosure Material
Engineered plastics, highly UV fade-resistant
Environmental Testing
Indoor only
Grille Material
Magnetically attached perforated steel, powder-coated finish, paintable, tamper-resistant design, includes safety tether
Logo
Rotatable, removable
Net Weight
22.8 lb (10.3 kg), loudspeaker with grille
Operating Temperature
0 °C to 50 °C (32 °F to 122 °F)
Product Dimensions (H×W×D)
15.6 in × 9.8 in × 10.0 in (395 mm × 249 mm × 255 mm), loudspeaker / 15.6 in × 9.8 in × 10.7 in (395 mm × 249 mm × 272 mm), loudspeaker with bracket
Shipping Weight
29.0 lb (13.2 kg), single
Frequency Range (-10 dB)
52 Hz – 20,000 Hz
Coverage, Horizontal
130° conical
Maximum SPL at 1 m
115 dB
Nominal Impedance
8 Ω (transformer bypass)
Power Handling, Continuous
150 W
Power Handling, Peak
600 W
Recommended Signal Processing
Not required, Bose Professional EQ voicing and SmartBass processing available
Sensitivity (SPL/1 W at 1 m)
93 dB
Transformer Taps, 100V
5, 10, 20, 40, 80 W, bypass
Transformer Taps, 70V
2.5 W, 5 W, 10 W, 20 W, 40 W, 80 W, bypass
Coverage, Vertical
Crossover Frequency
1.5 kHz, passive 2-way crossover
Driver Protection
Recommended high-pass protection 48 Hz with recommended 24 dB/octave filter; Overload protection; Resistor-network power reduction with automatic reset
High-Frequency Transducer Quantity and Size
1 × 1 in (25 mm) compression driver, coaxial center-firing
Low-Frequency Transducer Quantity and Size
1 × 8 in (203 mm) woofer
(1) U-bracket
powder-coated steel
