Polk Audio Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System

Price: $249.00
(as of Feb 04, 2026 04:52:03 UTC – Details)


These Polk audio outdoor speakers deliver exceptional sound anywhere. The compact Atrium 4 Outdoor Loudspeaker meets or exceeds military specs for environmental endurance. Its small size fits tight spots by the pool, on the deck, around the kitchen or filling the backyard with great sound. Easy-mount hardware lets you enjoy high-performance audio in every season, and durable, weatherproof black or white paintable finishes. For homeowners interested in outdoor entertaining, these outdoor pool speakers couple a 4 1/2″ Dynamic Balance long-throw mineral-filled polypropylene cone with butyl rubber surround pumps out surprising bass, and a 3/4″ anodized aluminum dome tweeter with neodymium magnet for smooth response. A steeply angled baffle maximizes mid- and high-frequency dispersion over large areas without sacrificing detail. As wired speakers for stereo or multi-zone setups, Atrium 4 uses the proprietary Speed-Lock system for one-handed installation; simply click, aim, and tighten. Polk All-Weather Certification means Atrium Speakers can effortlessly withstand the worst mother nature can dish out, whether it’s extreme temps or heavy rains. Compact yet powerful, Atrium 4 offers award-winning Polk Audio sound, four-season durability and effortless placement—ideal for any music lover’s patio, garage or backyard.
ALL WEATHER CERTIFICATION – The speaker for all seasons. With rugged durability and premium build, these outdoor wired speakers can effortlessly withstand all elements including extreme temperatures and heavy rain
ULTRA COMPACT – Compact outdoor loudspeaker with a 4.5” dynamic balance polypropylene woofer, ¾” anodized aluminum dome tweeter for outdoor speaker system
EXCEPTIONALLY GREAT SOUND – High fidelity sound from outdoor patio speakers for small-to-medium areas. Atrium 4 can be installed by a pool, on the patio, in a sunroom, or anywhere in the backyard
EASY INSTALLATION – One-click speed-lock mounting bracket for wall mount speakers offers anti-slip, one-handed installation; mount these outdoor speakers wired vertically or horizontally to deliver optimal sound in different setups
EASY SETUP – Polk’s gold-plated 5-way binding post can easily connect to wired outdoor speakers or any modern AVR or amplifier