In white, the DesignMax DM8C from Bose Professional is a single 150W in-ceiling speaker that delivers powerful SPL suitable for foreground music. It features coaxial two-way drivers and a two-way 8″ woofer. The DM8C has a center-firing coaxial 1″ compression driver and a 52 Hz to 20 kHz frequency range. It’s easily installed via integrated QuickHold mounting arms.
FEATURES
- 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 demanding applications, including high-ceiling venues such as ballrooms, concourse, and convention centers
- 150W Speaker with Two-Way 8″ Woofer
- High SPL Suitable for Foreground Music
- 52 Hz to 20 kHz Frequency Response
- 135° Nominal Coverage
- 70/100V and 8-Ohm Transformer Bypass
SPECIFICATIONS
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
Enclosure Material – Engineered-plastics front baffle with integrated steel-formed backcan
Environmental – Indoor only
Grille – Magnetically attached perforated steel, powder-coated finish, paintable, with safety tether
Ceiling Cutout – 13.8 in (349 mm)
Logo – Rotatable, removable
Suspension/Mounting – (3) QuickHold spring-loaded mounting arms, (3) safety cable attachment points
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
Net Weight – 21.1 lb (9.6 kg), loudspeaker with grille / 2.2 lb (1.0 kg), tile bridge
Shipping Weight – 28.0 lb (12.7 kg), single
PERFORMANCE
Frequency Range (-10 dB) – 52 Hz – 20,000 Hz
Coverage, Horizontal – 135° conical
Calculated Maximum SPL @ 1 m – 113 dB
Nominal Impedance – 8 Ω (transformer bypass)
Power Handling, long-term 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
Transformer Taps, 70V – 2.5 W, 5 W, 10 W, 20 W, 40 W, 80 W, bypass
Coverage, Vertical – 135° conical
TRANSDUCERS
Crossover – 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 – 1 × 1 in (25 mm) compression driver, coaxial center-firing
Low-Frequency – 1 × 8 in (203 mm) woofer
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