In-Ceiling Subwoofer Speaker, 8" MB

Beale Street Audio Professional Audio Ceiling SpeakerFeatures their Sound Vortex® Technology that uses a unique sprial in the enclosure to create six tuned ports that not only add bass but also a wider dispersion pattern and improved clarity for richer sound - this is a very unique and premium feature over "open-back" ceiling speakers. The enclosed back of Beale Street speakers prevents the bleeding of sound to other rooms while giving the lower octave a boost of 6-9db!Note: a change of 10dB is double the sound volume Subwoofer Highlights 8" Kevlar Woofer 28 Hz to 300 kHz Frequency Range 4-Ohm Sensitivity 90dB Sensitivity "No-Bezel" Magnetic Grill 11.3" x 8.6" (Diameter x Depth), 10.3" Cut-out