Polk Audio Atrium8 SDI All-Weather Indoor/Outdoor Speakers (4 Speaker Bundle) Color:Black Can be filled with sand

Can be filled with sand to add mass and vibration damping

2 switched)

high-pass filter/low-pass filter

and Smart Ambient mode controls

5” driver is housed in a dedicated and tuned sub-enclosure to ensure the output is not distorted or colored by the flanking woofers

Polk Audio Atrium8 SDI All-Weather Indoor/Outdoor Speakers (4 Speaker Bundle) Color:Black Can be filled with sandPrice Match Guarantee Polk Audio Atrium8 SDI All Weather Indoor Outdoor Speakers (4 Speaker Bundle) BUY Bundle of 4 Speakers and SAVE Enjoy enhanced quality sound outdoors with the Polk Audio Atrium 8 DSI All Weather Outdoor Speaker. Polk Audio Atrium8 features a single dual input switch, which allows you to use it either as a virtual stereo speaker or as part of a traditional L R stereo pair when used with a second speaker. Polk Audio Atrium 8