In-Ceiling Installation Loudspeaker

Official grille-off view of the Bose Professional EdgeMax EM90 showing its 8-inch LF driver, PhaseGuide and HF compression driver

Bose Professional's in-ceiling installation loudspeaker with an 8-inch LF driver, an HF compression driver, 90° × 75° asymmetrical PhaseGuide coverage and an integrated 70/100V transformer.

Drivers: LF: 8in (203mm); HF: compression driver with 1.3in (33mm) voice coil
Coverage: 90° horizontal × 75° vertical (asymmetrical, 0°–75° referenced to wall)

Published in the Journal August 15, 2026Product analysis

EdgeMax EM90