Polk Audio Atrium 4 All Weather Outdoor Speakers  

Big Fidelity, Small Speaker

The Compact Atrium4 loudspeaker produces high fidelity sound quality anywhere you want great sound. It's small size makes it ideal for tight, out-of-way installations.

Speed Lock Mounting System

Simply mount the bracket and click the speaker into place.  Aim it and tighten down.

Patented Dynamic Balance

The perfect material performance, eliminating driver and tweeter "artifacts" for more realistic sound reproduction at high and low volume levels.

• Orientation

  • Horizontal
  • Vertical

• 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

  • (1)  4.5" (11.43 cm) d (Round) - Mid/Woofer
  • (1)  0.75" (1.91 cm) d (Round) - Tweeter

AUDIO QUALITY

• Total Frequency Response

  75 Hz → 25,000 Hz

• Nominal Impedance

  8 ohms

• Sensitivity (1 watt @ 1 meter)

  89 dB

SWIVEL WALL/CEILING MOUNT MOUNT

• Mounting Type

  180° Speed-Lock mounting system with Keyhole Slots

• Available Orientations

  • Horizontal
  • Vertical

EXTERNAL AMPLIFIER

• Recommended Amplifier Power Per Channel

  10 watts → 80 watts

INPUTS

• Audio Inputs

• Ethernet

  Yes

• Speaker Inputs

  (2) Pair of 5-way Binding Posts - Gold-Plated