Bose Professional 778844-0220 EdgeMax EM90 In-Ceiling Loudspeaker 90 Degree Coverage 8Ω or 70/100V (Single)


BOSE 778844-0220

Bose Professional EdgeMax Premium In-Ceiling Speakers are ideal for applications such as retail stores, restaurants, hospitality venues, hotels, offices, meeting rooms and architectural custom sound design applications. They feature magnetically attached white grilles for quick access to wiring, and 8 Ω or 70/100V transformer tap settings, as well as new auto-hold, spring-loaded mounting arms for fast and easy installations, and they ship with an accompanying tile bridge. They are UL1480 listed for air-handling plenum space code requirements.

  • PhaseGuide technology produces unique asymmetrical vertical pattern for room-filling sound
  • EdgeMax EM90 provides nominal 90° horizontal coverage from room corners
  • Full-frequency range 60 – 18,000 Hz (-10 dB)
  • Maximum SPL up to 119 dB continuous and 125 dB peak
  • 2-way system combines Bose 1.3"-diaphragm compression driver and 8" woofer
  • Passive crossover with 8 Ω or 70/100V transformer taps
  • New auto-hold, spring-loaded mounting arms for fast, easy installs; ships with tile bridge
  • UL1480 listing for air-handling (plenum) space installation
  • Magnetically attached white grille for quick access to wiring and tap settings
  • Black grille and rough-in pan accessories will be available
  • PC-PBT plastic and die-cast aluminum mounting anchor and baffle material
  • Safety cables are no longer required
  • Black Plastic Torque Caps on anchor screws have been removed and are no longer required, improving installation speed

Frequency Response (-3 dB): 70 – 16,000 Hz
Frequency Range (-10 dB): 60 – 18,000 Hz
Nominal Coverage Pattern: 90° H x asymetrical 75° V (-90° to -15° referenced to ceiling)
Transformer Taps: 70V: 2.5, 5, 10, 20, 40, 80W, bypass 100V: 5, 10, 20, 40, 80W, bypass
Low Frequency: 1 x 8-inch woofer (1.5-inch voice coil)
High Frequency: 1 x compression driver (1.3-inch voice coil)
Nominal Impedance: 8 ohms (transformer bypass)
Enclosure Material: Engineered-plastics front baffle with integrated steel formed enclosure
Grille: Micro perforated steel, powder-coated finish, white
Environmental: Indoor only; UL-1480A listed for plenum-space installation
Connectors: Euro block 6-pin connector with loop-through, front-baffle mounted
Suspension / Mounting: Safety cables are no longer required
Accessories: Black grille, rough-in pan for new construction
Maximum Ceiling Thickness: 3.2" (80 mm)
Ceiling Cutout and Clearance: 13.6" (345 mm) x 13.6" (345 mm) with 9.3" (236 mm) mounting depth
Dimensions (H x W x D):
13.4" (339 mm) x 13.4" (339 mm) x 9.8" (249 mm) enclosure
15.4" (390 mm) x 15.4" (390 mm) x 0.5" (13 mm) grille flange, as mounted
Net Weight: 22.2 lbs (10.1 kg) with grille
Shipping Weight: 29 lbs (12.5 kg)

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