With coaxial two-way drivers, the 150-watt Bose Professional DesignMax DM8C loudspeaker delivers powerful SPL suitable for foreground music — along with premium aesthetics that complement any commercial sound installation. The DM8C 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 in-ceiling DM8C is installed easily via QuickHold mounting arms.

COMPLIANCE
Safety Agency Ratings
UL-1480A, S5591/ UL Listed, in compliance with UL2043 for plenum-space installation, NFPA70 & NFPA90-A, CE compliant

PHYSICAL
Colors
Black (RAL 9005), white (RAL 9003), paintable

Cutout Diameter
13.8 in (349 mm)

Enclosure Material
Engineered-plastics front baffle with integrated steel-formed backcan

Environmental Testing
Indoor only

Grille Material
Magnetically attached perforated steel, powder-coated finish, paintable, with safety tether

Logo
Rotatable, removable

Mounting/Rigging Provisions
(3) QuickHold spring-loaded mounting arms, (3) safety cable attachment points

Net Weight
21.1 lb (9.6 kg), loudspeaker with grille / 2.2 lb (1.0 kg), tile bridge

Operating Temperature
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

PERFORMANCE
Frequency Range (-10 dB)
52 Hz – 20,000 Hz

Coverage, Horizontal
135° conical

Maximum SPL at 1 m
113 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)
91 dB

Transformer Taps, 100V
5, 10, 20, 40, 80 W, bypass