Official Partner
Bose Professional’s EdgeMax series combines the performance of big, bulky surface-mount loudspeakers with stealthy design to shatter the limitations of traditional in-ceiling loudspeakers. Dual drivers and patented PhaseGuide® technology allow EdgeMax loudspeakers to project powerful, focused sound from the room’s edges to the center. They deliver amazing directionality and voice intelligibility to ensure all listeners enjoy the same sound—regardless of their location. Larger rooms with higher SPL needs, such as fitness centers, benefit from the powerful, deeper 9-inch (24 cm) cans of EdgeMax EM. In these demanding environments, EM models deliver proven performance, with immersive full-frequency sound for music and clear intelligibility for voice, even at high volumes. Also, EM models are designed with 75-degree vertical coverage, optimal for rooms with higher ceilings.
FEATURES
Patented PhaseGuide technology evenly distributes sound throughout the space to ensure all listeners enjoy the same experience—regardless of their location
High-frequency compression driver and high-excursion woofer for exceptional audio quality and power
In-ceiling installation for minimum visual impact, with fewer units required to deliver uniform sound
In-ceiling mounting near room edges and corners (75° vertical coverage and 90° horizontal coverage)
Wall-boundary loading for greater bass response and performance
2-way passive crossover with bypassable 70/100V transformer
Consistent voicing across the EdgeMax family
QuickHold spring-loaded mounting system for easy installs
Magnetically attached grille for quick access to wiring and tap settings
UL 1480A and UL 2043 safety standard compliance
Applications
Designed for a wide range of applications, including:
Bars & restaurants
Fitness clubs
Hospitality
Houses of worship
Performance spaces
Commercial spaces
| Category | Attribute | Value |
|---|---|---|
| COMPLIANCE | Safety Agency Ratings | UL1480A, UL2043 |
| PHYSICAL | Colors | White (RAL 9003), paintable |
| PHYSICAL | Enclosure Material | Engineered plastics + steel |
| PHYSICAL | Environmental | Indoor only; plenum-space compliant |
| PHYSICAL | Grille | Microperforated steel, paintable |
| PHYSICAL | Ceiling Cutout | 13.6 × 13.6 × 9.3 in (345 × 345 × 236 mm) |
| PHYSICAL | Mounting | 4 QuickHold arms, 4 M6 cable points |
| PHYSICAL | Product Dimensions | 13.4 × 13.4 × 9.8 in (339 × 339 × 249 mm) |
| PHYSICAL | Grille Flange Dimensions | 15.4 × 15.4 × 0.5 in (390 × 390 × 13 mm) |
| PHYSICAL | Net Weight | 22.2 lb (10.1 kg) |
| PHYSICAL | Shipping Weight | 29.0 lb (12.5 kg) |
| PERFORMANCE | Frequency Range (-10 dB) | 45 Hz – 20,000 Hz |
| PERFORMANCE | Coverage (H × V) | 90° H × 75° V |
| PERFORMANCE | Max SPL @ 1 m | 117 dB continuous, 123 dB peak |
| PERFORMANCE | Nominal Impedance | 8 Ω (transformer bypassed) |
| PERFORMANCE | Power Handling (Cont / Peak) | 125 W / 500 W |
| PERFORMANCE | Sensitivity | 96 dB (1 W @ 1 m) |
| PERFORMANCE | Signal Processing | Recommended |
| PERFORMANCE | Transformer Taps (100V) | 5, 10, 20, 40, 80 W, bypass |
| PERFORMANCE | Transformer Taps (70V) | 2.5, 5, 10, 20, 40, 80 W, bypass |
| TRANSDUCERS | Crossover | 1 kHz passive 2-way, 70/100V transformer |
| TRANSDUCERS | Driver Protection | High-pass @ 55 Hz, 12 dB/octave |
| TRANSDUCERS | High-Frequency Driver | 1 × compression driver, 1.3 in (33 mm) coil |
| TRANSDUCERS | Low-Frequency Driver | 1 × 8 in (203 mm) woofer, 1.5 in (38 mm) coil |
| PRODUCT CODES | Code | 778844-0220 (EdgeMax EM90) |
| INCLUDED | Packaging | (1) tile bridge |
| Description | Downloads |
|---|---|
| Bose EdgeMax EM90 In-Ceiling Premium Loudspeaker White | 778844-0220 DataSheet | Downloads |
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