Polk Audio Atrium 4 Outdoor Speakers (Pair) 15351 Front-panel Type-A USB port for

Front-panel Type-A USB port for connecting a thumb drive

Cable Conductor Material Oxygen-Free Copper

low pass filter control

Shadow Flare drastically reduces harmful cabinet diffraction

and Precision Link II Digital-to-Analog Converter (DAC) to bring you incredibly realistic sound reproduction

Polk Audio Atrium 4 Outdoor Speakers (Pair) 15351 Front-panel Type-A USB port forPolk 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