Polk Audio Atrium 4 Outdoor Speaker (Pair)
Description
The Polk Audio Atrium 4 Pair is a compact yet powerful all-weather outdoor speaker system designed to bring high-fidelity sound to patios, balconies, gardens, pool areas, terraces, and other outdoor living spaces. Despite its space-saving design, the Atrium 4 delivers impressive clarity, balanced sound, and wide coverage, making it an excellent choice for both background music and outdoor entertainment. Built to withstand harsh weather conditions year-round, these speakers combine rugged durability with Polk’s renowned acoustic engineering for reliable outdoor performance.
Featuring a 4.5-inch Dynamic Balance® polypropylene woofer and a 0.75-inch anodized aluminum dome tweeter in each speaker, the Atrium 4 Pair produces detailed highs, natural vocals, and punchy bass from a compact enclosure. Polk’s patented Dynamic Balance® technology minimizes distortion for cleaner, more accurate sound at all listening levels, while the innovative Speed-Lock mounting system allows quick and flexible installation in horizontal or vertical orientations.
Key Features
- Pair of premium all-weather outdoor speakers
- 4.5-inch Dynamic Balance® polypropylene woofers
- 0.75-inch anodized aluminum dome tweeters
- All-Weather Certified construction
- Compact design with powerful sound output
- Dynamic Balance® technology for reduced distortion
- Speed-Lock mounting system for easy installation
- Horizontal or vertical mounting flexibility
- Rust-resistant aluminum grille
- Weather-resistant enclosure for year-round outdoor use
- Ideal for patios, balconies, gardens, and poolside areas
- Suitable for both outdoor and indoor installations
- Wide sound dispersion and excellent vocal clarity
- Available in Black and White finishes
- Sold as a pair
Technical Specifications
- Speaker Type: Outdoor / Indoor All-Weather Speaker (Pair)
- Woofer: 4.5-inch Dynamic Balance® Polypropylene Mid/Woofer
- Tweeter: 0.75-inch Anodized Aluminum Dome Tweeter
- Frequency Response: 75Hz – 25kHz
- Sensitivity: 89dB (1W/1m)
- Nominal Impedance: 8 Ohms
- Recommended Amplifier Power: 10 – 80 Watts Per Channel
- Mounting System: Speed-Lock Mounting System
- Speaker Inputs: Gold-Plated 5-Way Binding Posts
- Orientation: Horizontal or Vertical
- Weather Resistance: All-Weather Certified
- Dimensions (H x W x D): 21.9 x 14.5 x 17.0 cm
- Weight: 1.63 kg Per Speaker
- Grille Material: Rust-Resistant Aluminum
- Available Finishes: Black, White
- Quantity: 2 Speakers (1 Pair)
Installation
Installation charges are applicable and can be paid upon delivery for our clients based in Delhi
Delivery and returns
Orders are shipped Monday through Saturday from our Delhi, India headquarters.
In-stock items are typically dispatched within 24–48 hours and usually arrive within 2–5 business days across Delhi and India. International orders are generally delivered within 7–10 business days.
Pre-order and backorder items will display an estimated delivery timeline next to the Add to Cart button.
For custom orders, connect with our specialists for a personalized shopping experience. Once your order is confirmed, a delivery timeline will be shared based on your specific requirements.
- Free delivery across Delhi and India
- Shipping charges for international orders will be calculated at checkout
- Taxes and duties are applied according to the destination country’s regulations and remain the customer’s responsibility
For more information about shipping, exchanges, and returns, please visit our help center.
7 Day Return & Refund Policy
Eligible for damaged, defective, or incorrect items only. See our Return & Refund Policy.
Shipping Information
Processing time: 1 to 2 business days
Estimated delivery: Your order will arrive within 6–12 business days (including processing time) depending on your location across India
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