Bose DesignMax DM8C-SUB In-Ceiling Subwoofer - 150W RMS - 8 inch - Black

The Bose DesignMax DM8C-SUB is a high-performance in-ceiling subwoofer designed to deliver deep, impactful bass for commercial audio installations. With an 8-inch (203 mm) driver and 150W RMS power handling, it provides exceptional low-frequency extension down to 45 Hz. The subwoofer features a compact, easy-to-install design with QuickHold mounting arms, making it ideal for restaurants, retail spaces, conference rooms, and other venues where discreet yet powerful bass is required.

Advantages

Engineered for superior sound quality, the DM8C-SUB offers a frequency response of 45 Hz - 150 Hz (-3 dB) and a peak SPL of 114 dB. Its 8 Ω nominal impedance and 150W RMS (600W peak) power handling ensure compatibility with a wide range of amplifiers. The included 70/100V transformer taps allow for use in distributed audio systems, providing flexibility for various installation scenarios.

Suitable for

• Commercial spaces requiring high-quality background music or paging
• Restaurants, bars, and retail stores needing deep bass without visible speakers
• Conference rooms and boardrooms for clear, impactful presentations
• Hotels, lobbies, and public areas where aesthetics and performance matter

Key specifications

• Product Type: In-Ceiling Subwoofer
• Driver Size: 8 inch (203 mm)
• Frequency Response (-3 dB): 45 Hz - 150 Hz
• Frequency Range (-10 dB): 35 Hz - 200 Hz
• Power Handling (RMS): 150 W
• Power Handling (Peak): 600 W
• Nominal Impedance: 8 Ω
• Sensitivity: 86 dB SPL/1W @ 1m
• Maximum SPL (Peak @ 1m): 114 dB
• Transformer Taps (70V): 20 W, 40 W, 80 W, 150 W
• Transformer Taps (100V): 40 W, 80 W, 150 W
• Mounting Cutout Diameter: 292 mm (11.5 in)
• Enclosure Material: Engineered plastic (front baffle), Steel (backcan)
• Grille Material: Perforated steel, powder-coated
• Connectors: Euroblock 6-pin connector
• Recommended Amplifier Power: 150 W - 300 W
• Colour: Black

Recommendations

For optimal performance, pair the DM8C-SUB with a compatible Bose amplifier or any quality amplifier delivering 150-300W per channel at 8 Ω. Ensure the ceiling cutout is at least 292 mm in diameter for proper installation. This subwoofer is designed for use with the DesignMax series speakers for a complete, cohesive sound system.