Product Description
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.
Specifications
| Brand | Bose Professional |
| Model | DesignMax DM8C |
| Product Type | In-Ceiling Loudspeaker |
| Configuration | 2-Way Coaxial |
| Low-Frequency Driver | 1 × 8" (203 mm) Woofer |
| High-Frequency Driver | 1 × 1" (25 mm) Coaxial Center-Firing Compression Driver |
| Technology | Coaxial 2-Way Design |
| Frequency Range (-10 dB) | 52 Hz – 20 kHz |
| Coverage – Horizontal | 135° Conical |
| Coverage – Vertical | 135° Conical |
| Maximum SPL | 113 dB @ 1 m |
| Sensitivity | 91 dB SPL / 1W @ 1m |
| Nominal Impedance | 8 Ω (Transformer Bypass) |
| Power Handling – Continuous | 150 W |
| Power Handling – Peak | 600 W |
| Crossover | 1.5 kHz Passive 2-Way |
| Recommended High-Pass | 48 Hz, 24 dB/Octave |
| 70V Transformer Taps | 2.5 / 5 / 10 / 20 / 40 / 80 W / Bypass |
| 100V Transformer Taps | 5 / 10 / 20 / 40 / 80 W / Bypass |
| Signal Processing | Not Required; Bose Professional EQ & SmartBass Available |
| Enclosure Material | Engineered-Plastic Front Baffle with Integrated Steel-Formed Backcan |
| Grille | Magnetically Attached Perforated Steel, Powder-Coated, Paintable, Safety Tether |
| Environmental Rating | Indoor Only |
| Ceiling Cutout | 349 mm (13.75") |
| Maximum Ceiling Thickness | 76 mm (3") |
| Loudspeaker Dimensions | 409 × 255 mm (16.1 × 10.0") |
| Backcan Dimensions | 340 × 240 mm (13.4 × 9.5") |
| Net Weight | 9.6 kg per Loudspeaker with Grille |
| Tile Bridge Weight | 1.0 kg |
| Shipping Weight | 12.7 kg per Loudspeaker |
| Mounting | 3 × QuickHold Spring-Loaded Mounting Arms |
| Safety Mounting | 3 × Safety Cable Attachment Points |
| Connector | 6-Pin Euroblock with Loop-Through |
| Wire Entry | Top Entry for up to 9.5 mm (3/8") Conduit |
| Operating Temperature | 0°C to 50°C |
| Colours | White / Black / Paintable |
| Product Configuration | Single Loudspeaker |
| Included Accessories | Adjustable Tile Bridge, Cutout Template |
| Optional Accessory | DesignMax DM8C Rough-In Kit (6-Pack) |