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Atrium 4

OUTDOOR SPEAKERS WITH 4.5" DRIVERS (PAIR)

₹30,000/ Pair

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-way installations.

Engineered and designed in USA
Great sound for every room
5 years warranty
Built to last

ATRIUM 4

Atrium series speakers exceed baseline industrial and military specifications for environmental endurance Anodized aluminum tweeter domes with rubber surrounds are absolutely immune to the elements, offer better power handling and smooth response Tweeter phase cap smooths the frequency response from 12kHz up to 20kHz, the last audible octave Broad coverage baffle design fills a large open outdoor space with big, full-range sound

Great outdoor sound

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.

Outdoor speaker family

Incorporate multiple Atrium speakers together to create the ultimate outdoor speaker system.

Key Technologies

Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.

Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.

Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion).

Atrium 4

Details &
Specifications

  • Total Pieces 1
  • Cabinet Warranty 3 Years - Original Purchaser Only
  • Drivers Warranty 3 Years - Original Purchaser Only
  • Original Purchaser Only Yes
  • Carton 1 9.5 lbs (4.31 kg)

  • Qty Included Pair
  • Availability US Internationally
  • 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
  • Total Frequency Response 75 Hz → 25,000 Hz
  • Nominal Impedance 8 ohms
  • Sensitivity (1 watt @ 1 meter) 89 dB
  • Mounting Type 180° Speed-Lock mounting system with Keyhole Slots
  • Available Orientations • Horizontal
    • Vertical
  • Recommended Amplifier Power Per Channel 10 watts → 80 watts
  • Audio Inputs -
  • Ethernet Yes
  • Speaker Inputs (2) Pair of 5-way Binding Posts - Gold-Plated
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