Polk Audio Atrium 4 4.5" Outdoor Loudspeakers - Pair

Polk Audio Atrium 4 Outdoor Speakers (Pair)

Experience rich, full-range sound in your favorite outdoor spaces with the Polk Audio Atrium 4 Outdoor Speakers. Designed to withstand the elements while delivering impressive clarity, these compact speakers are ready to enhance patios, decks, gardens, or any area where you want the enjoyment of music outside.

Weather-Ready Sound for Every Space

The Atrium 4’s all-weather construction exceeds military specifications for durability. A mineral-filled polypropylene cabinet, aluminum grilles, and stainless steel and brass hardware protect the speakers from UV rays, moisture, and corrosion. Whether exposed to intense sunlight or heavy rain, these speakers consistently deliver reliable performance.

Dynamic Balance® Technology for Distortion-Free Audio

Each Atrium 4 features Polk’s Dynamic Balance® driver design, tuned to minimize resonance and distortion. The 4.5"" polymer cone mid-woofer and 0.75"" anodized aluminum dome tweeter work together to reproduce everything from subtle background music to energetic playlists with impressive detail, balancing highs and lows for satisfying outdoor listening.

Easy Installation and Flexible Placement

Polk’s patented Speed-Lock™ mounting system lets you secure the speakers safely and easily in nearly any position—horizontal or vertical. The 180° swivel feature allows for precise aiming so your sound reaches exactly where you want, creating an inviting audio environment for gatherings or solitary relaxation.

Designed for Wide, Even Coverage

A thoughtfully engineered baffle design ensures wide dispersion, spreading crisp sound evenly across larger outdoor spaces. This broad coverage helps fill backyards, balconies, or poolside areas with immersive, lifelike music without hot spots or drop-offs.

• Compact profile and paintable finish offer installation versatility for any décor.
• Ideal for outdoor and demanding indoor spaces like sunrooms and kitchens.

FAQ

• Q: Can the Atrium 4 speakers withstand rain and extreme temperatures?
  A: Yes, the Atrium 4 is engineered to survive harsh outdoor conditions, including heavy rain, humidity, and UV exposure. Its components resist rust and sun damage to ensure long-term reliability outdoors.
• Q: Is installation complicated?
  A: The patented Speed-Lock™ mounting bracket allows for quick, secure, one-handed installation. You can mount the speakers horizontally or vertically, and then swivel them up to 180° to direct the sound where you need it.
• Q: How much amplifier power do I need?
  A: Each speaker works well with amplifiers delivering 10–80 watts per channel, offering flexibility whether attaching to a modest receiver or a more powerful outdoor audio system.
• Q: Can these be used indoors?
  A: Absolutely. While designed for outdoor durability, Atrium 4 speakers also excel in places that benefit from rugged construction, such as kitchens, garages, or sunrooms.
• Q: Are the speakers sold as a pair?
  A: Yes, the Atrium 4 comes as a matched pair for stereo sound right out of the box.