Bose EM90-LP EdgeMax Ceiling Loudspeaker

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EdgeMax loudspeakers combine bold surface-mount performance with stealthy design to shatter the limitations of traditional in-ceiling loudspeakers. Patented PhaseGuide® technology enables EdgeMax loudspeakers to project powerful, focused sound asymmetrically from the room’s edges to the center.

New EdgeMax LP models feature an 80-degree vertical coverage angle for use in rooms with lower ceilings, and their shallow 4-inch backcan is ideal for spaces with above-ceiling limitations and tighter clearances. Larger rooms with higher SPL needs benefit from the powerful, deeper 9-inch cans and 75-degree vertical coverage of the original EdgeMax models.

EdgeMax models are purpose-built to provide specific horizontal coverage. The EM90-LP’s 90-degree horizontal coverage angle is optimized for corner placement, with wall-boundary loading providing extended bass impact.

Integrators can “mix and match” original EdgeMax and new LP loudspeakers, particularly in challenging installations with varying space dimensions and above-ceiling obstructions.

Features

  • Patented PhaseGuide technology distributes sound asymmetrically throughout the space to ensure all listeners enjoy the same experience—regardless of their location
  • In-ceiling installation for minimum visual impact, with fewer units required to deliver uniform sound
  • High-frequency compression driver and high-excursion woofer for exceptional audio quality and power
  • In-ceiling mounting along room edges and corners; purpose-built for specific horizontal coverage—90 degrees for corner placement or a wider 180 degrees—ideal for near-field and wide 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
  • Shallow 4-inch (10 cm) backcan height for rooms with above-ceiling limitations and tighter clearances
  • 80-degree vertical coverage angle for use in rooms with lower ceilings
  • UL 62368 and UL 2043 safety standard compliance

Specifications

  • Safety Agency Ratings
  • UL 62368, UL 2043

PHYSICAL

  • Colors
  • White (similar to RAL 9003), paintable
  • Ceiling Cutout
  • 345 × 345 × 100 mm (13.6 × 13.6 × 4.0 in), length × width × mounting depth
  • Enclosure Material
  • Engineered-plastics front baffle with integrated steel-formed enclosure
  • Environmental
  • Indoor only
  • Grille
  • Microperforated steel, powder-coated finish, paintable
  • Suspension/Mounting
  • (4) Quickhold spring-loaded mounting arms, (4) safety cable attachment points
  • Net Weight
  • 16.6 lb (7.5 kg), loudspeaker with grille (single)
  • Product Dimensions (H×W×D)
  • 339 mm × 339 mm × 100 mm (13.4 in × 13.4 in × 3.9 in) enclosure / 390 mm × 390 mm × 13 mm (15.4 in × 15.4 in × 0.5 in) grille flange
  • Shipping Weight
  • 11.0 kg (24.3 lb)

PERFORMANCE

  • Frequency Range (-10 dB)
  • 45 Hz – 19,000 Hz
  • Coverage, Horizontal
  • 90°
  • Calculated Maximum SPL @ 1 m
  • 110 dB continuous, 116 dB peak
  • Nominal Impedance
  • 8 Ω (transformer bypassed)
  • Power Handling, long-term continuous
  • 32W
  • Power Handling, Peak
  • 128W
  • Recommended Signal Processing
  • Recommended but not required
  • Sensitivity (SPL/1 W at 1 m)
  • 91 dB
  • Transformer Taps, 100V
  • 8 W, 16 W, 32 W, bypass
  • Transformer Taps, 70V
  • 4 W, 8 W, 16 W, 32 W, bypass
  • Coverage, Vertical
  • 80°

TRANSDUCERS

  • Crossover
  • 1 kHz, passive 2-way crossover with integrated 70/100V transformer
  • Driver Protection
  • Recommended high-pass protection 55 Hz with minimum 24-dB/octave filter
  • High-Frequency
  • 1 × compression driver, 1.3 in (33 mm) voice coil
  • Low-Frequency
  • 1 × 5.25-in (133 mm) woofer, 1.5-in (38 mm) voice coil