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Category: Speaker

Polk Audio Atrium4 Outdoor Speaker - Pair

    • Key Specifications & Features

      • Speaker configuration: 1 × 5.5″ long-stroke wideband woofer + 3 × 1.5″ full-range drivers + 2 × 4″ passive bass radiators.

      • Amplifier: 2 × 35 W Class-D for woofer and tweeter.

      • Frequency response: 37 Hz to 20,000 Hz. Max SPL at 1m: 93 dB.

      • Battery: 3,200 mAh battery, up to ~8 hours of playback at normal listening volume; up to ~37 hours at background level.

      • Dimensions: approx 135 × 230 × 189 mm; weight ~2.7 kg.

      • Materials: Anodised aluminium body, vegetable-tanned leather strap, polymer base — premium build.

      • Additional features: Wireless Qi charging pad on top (to charge your phone while the speaker is playing) in some versions.

      • Connectivity: Bluetooth version 4.2 (SBC/AAC) + 3.5mm line-in jack + USB-C for charging. No WiFi streaming built-in.

Description

Big Fidelity, Small Speaker. The Compact Atrium4 loudspeaker produces high fidelity sound quality anywhere you want great sound. Its small size makes it ideal for tight, out-of-the-way installations.

Warranty:

3 year manufacturer’s warranty

Features:

  • All Weather certified
  • Speed-Lock mounting system

PATENTED DYNAMIC BALANCE®
The perfect material performance, eliminating driver and tweeter “artifacts” for more realistic sound reproduction at high and low volume levels. To install, simply mount the bracket and click the speaker into place, then aim it and tighten it down.

SPEED LOCK MOUNTING SYSTEM
Simply mount the bracket and click the speaker into place, aim it, and tighten it down.

Technical Specifications:

Height 8.625″ (21.91 cm)
Width 5.688″ (14.45 cm)
Depth 6.688″ (16.99 cm)
Weight 3.6 lbs (1.63 kg)
Front Array Driver Complement 4.5″ (11.43 cm) d (Round) – Mid/Woofer

0.75″ (1.91 cm) d (Round) – Tweeter

Total Frequency Response 75 Hz →25,000 Hz
Nominal Impedance 8 ohms
Sensitivity (1 watt @ 1 meter) 89 dB
Recommended Amplifier Power Per Channel 10 watts →80 watts
Ethernet Yes
Speaker Inputs Pair of 5-way Binding Posts – Gold-Plated

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