Polk Audio Atrium 8 SDI Outdoor Speaker

🧾 Overview

The Polk Audio Atrium 8 SDI is a high-performance, all-weather outdoor speaker that can work as a single stereo unit or as one channel in a traditional L/R pair. With a 6.5″ dual-voice-coil woofer, dual 1″ tweeters, and PowerPort® bass venting, it delivers wide coverage and robust, detailed sound in large outdoor spaces.

✅ Key Features

• ✅ Single/Dual Input (SDI): use one speaker in stereo or as L/R in a pair
• ✅ 6.5″ Dynamic Balance® DVC woofer + dual 1″ anodized aluminum dome tweeters
• ✅ PowerPort® bass venting for deeper, cleaner low-end outdoors
• ✅ 180° Speed-Lock mounting system; horizontal or vertical installation
• ✅ Weatherproof design: UV, rain, salt-fog compliant with rust-resistant grille/bracket
• ✅ Sensitivity 91 dB, 8 Ω nominal — easy to drive with most amplifiers
• ✅ Gold-plated 5-way binding posts; switchable single/dual inputs
• ✅ 5-year Polk Audio warranty (cabinet & drivers)

📦 What’s in the Box

• 📦 1 × Polk Audio Atrium 8 SDI outdoor speaker
• 🔩 Mounting bracket (pre-installed) & hardware
• 📖 Owner’s manual
• 📝 Online product registration card & Polk brochure

🔄 Compatibility

✔ Works with any stereo amplifier or AV receiver (typical 8 Ω loads). ✔ Single-speaker stereo mode requires 4-conductor wiring; in L/R mode use standard 2-conductor runs. ✔ Ideal for patios, pools, gardens, cafés, and hospitality installs; paintable to match décor.

📦✈️ Shipping & Returns

• 📦 Insured worldwide delivery
• 🔄 14-day return policy
• 🛡️ 2-year EU warranty

📝 Reviews

💬 “Installation couldn’t be easier… best sound I’ve heard in outdoor speakers.” — Crutchfield (Customer Review)

💬 “Very smooth, clean sound and it stays that way no matter how much you crank it.” — Crutchfield (Customer Review)

💬 “Crisp sound and excellent bass for an outside speaker. This is my second pair.” — Walmart (Customer Review)

⚠️ Warning

⚠️ Caution: may cause spontaneous poolside playlists, diplomatic relations with neighbors, and repeated “one more track” negotiations long after sunset.