Martin Logan HELOS22 22 6.5" High-Resolution Stereo In-Ceiling Speaker HPE/Aruba It can be used as

It can be used as a standalone unit with single or dual-gas detection (i

Designed to flush mount DoorBird's D1101KH flush mount for pedestrian access (including ADA-compliant applications

a monthly subscription fee applies (just like your cell phone)

right out of the box

Martin Logan HELOS22 22 6.5" High-Resolution Stereo In-Ceiling Speaker HPE/Aruba It can be used asHelos 22 is a high resolution stereo in ceiling loudspeaker featuring dual 0. 75 inch neodymium soft dome tweeters, an aluminum cone woofer, and proprietary Vojtko crossover topology. Helos 22 features dual tweeters and a dual voice coil woofer. This design allows the speaker to provide stereo sound from a single speaker, ideal for use in small rooms such as bathrooms, small offices, entryways, and kitchens. Helos 22 also bridges to deliver mono sound