The Bose Professional EM180 is a premium EdgeMax in-ceiling loudspeaker designed to provide exceptionally wide coverage with fewer units. Featuring Bose PhaseGuide technology, it delivers 180° horizontal dispersion and powerful full-range sound, making it ideal for conference rooms, hospitality spaces, retail, and other commercial installations where broad audio coverage is essential. The asymmetrical coverage reduces the number of speakers needed while maintaining consistent, intelligible sound.
Key Features
- Passive full-range in-ceiling speaker (requires external amplifier)
- 180° horizontal asymmetrical coverage with PhaseGuide technology
- 8″ woofer and high-frequency compression driver
- Integrated 70/100V transformer with multiple taps and 8 Ω bypass
- Frequency response: 45 Hz – 20 kHz (–10 dB)
- Power handling: 125 W continuous / 500 W peak
- Sensitivity: 93 dB SPL (1 W @ 1 m)
- Maximum SPL: 114 dB continuous, 120 dB peak
- Passive two-way crossover at 1 kHz
- UL 1480A and UL 2043 plenum-rated
- Easy installation with spring-loaded arms and safety cable points
- Paintable magnetic grille for seamless architectural integration
Specifications
- Frequency Range (–10 dB): 45 Hz – 20 kHz
- Coverage Pattern: 180° horizontal × ~75° vertical (asymmetrical)
- Power Handling: 125 W continuous / 500 W peak
- Nominal Impedance: 8 ohms (with transformer bypass)
- Inputs: 6-pin Euroblock connector
- Crossover: Passive 2-way, 1 kHz
- Color: White paintable grille


















