BOSE DM8C Ceiling Speaker


BOSE DM8C Ceiling Speaker


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BOSE DM8C Ceiling Speaker

The BOSE DM8C Ceiling Speaker with coaxial two-way drivers an 8″ceiling speaker for big rich sound.

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 BOSE DM8C Ceiling Speaker features a two-way, 8-inch woofer and a centre-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.

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 BOSE DM8C Ceiling Speaker for demanding applications, including high-ceiling venues such as ballrooms, concourse, and convention centers

Designed for a wide range of applications, including:

  • Performing arts venues
  • Places of worship
  • Conference centres
  • Retail stores
  • Restaurants and bars
  • Hospitality venues


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


  • Colours: Black (RAL 9005), White (RAL 9003), paintable
  • Cutout Diameter: 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: 9.6 kg, loudspeaker with grille 1.0 kg, tile bridge
  • Operating Temperature: 0 °C to 50 °C (32 °F to 122 °F)
  • Product Dimensions (H×W×D): 409 mm × 255 mm, loudspeaker diameter × depth 340 mm × 240 mm, backcan diameter × depth
  • Shipping Weight: 12.7 kg, single


  • Frequency Range (-10dB): 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
  • Transformer Taps, 70V: 2.5 W, 5 W, 10 W, 20 W, 40 W, 80 W, bypass
  • Coverage, Vertical: 135° conical


  • 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 × 25 mm compression driver, coaxial centre-firing
  • Low-Frequency Transducer Quantity and Size: 1 × 203 mm woofer


Additional information


Black, White