Hit the street in Hello-fi High-fidelity audio is crisp and nuanced with incredibly deep bass you can truly feel. Want bigger highs and reduce lows? There’s Adjustable EQ while in the Bose app. Installation in Large-Sound Parts: Put in Visible alarms in regions the place sound amounts exceed 90 dB(A) https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/