The Bose MA12B is a modular line array loudspeaker finished in black. Featuring twelve 2.25″ full-range drivers in a slim column enclosure, it provides wide 160° horizontal coverage and tight vertical control, making it ideal for speech and light music reinforcement in acoustically challenging spaces. Its modular design allows multiple units to be stacked using coupler brackets for increased output and coverage.
Key Features
- Modular line array with 12 × 2.25″ full-range drivers
- 160° horizontal coverage for even sound distribution
- Slim column-style enclosure for discreet installation
- Expandable design – stack multiple units using coupler brackets (CBMA12)
- Black finish (B = Black; also available in White as MA12W)
- Ideal for houses of worship, auditoriums, lecture halls, and multipurpose venues
Specifications
- Frequency Response (-10 dB): ~155 Hz – 12 kHz
- Coverage: 160° horizontal × 20° vertical (per module)
- Power Handling: 200 W continuous (IEC)
- Sensitivity (SPL / 1W @ 1m): ~88 dB
- Maximum SPL: ~98 dB (per module)
- Nominal Impedance: 8 Ω
- Drivers: 12 × 2.25″ (57 mm) full-range
- Color: WHITE
