Polk Audio Atrium 4 Outdoor Speakers (Pair) Color:Black Dual built-in subwoofers combined with

Dual built-in subwoofers combined with dual bass reflex ports provide a rich and spacious bass range

- 2 Grilles

compatible with 1/4-20 thread insert

Dual-zone A/V output

Ambient Aware keeps you alert to your surroundings wherever the music takes you

Polk Audio Atrium 4 Outdoor Speakers (Pair) Color:Black Dual built-in subwoofers combined withPolk Audio Atrium 4 Outdoor Speakers (Pair) Exceptional sound anywhere you want it really, anywhere. The compact Atrium 4 Outdoor Loudspeaker meets or exceeds military specifications for environment endurance. Its small size makes it ideal for tight, out of way installations: by the pool, next to the deck or patio, around the kitchen, tucked away in the family den or filling the backyard with great sound. The easy to mount Atrium 4 will deliver high