Polk Audio Atrium 4 Outdoor Speakers with Powerful Bass (Pair, White), All-Weather Durability, Broad Sound Coverage, Speed-Lock Mounting System

Price: $199.00 - $169.38
(as of Oct 22, 2023 03:06:32 UTC – Details)

From the manufacturer

4.5″ Drivers and .75″ Tweeters

4 1/2″ (11.43cm) Dynamic Balance long-throw mineral-filled polypropylene cone driver with butyl rubber surround pumps out surprising bass response from a compact design.

3/4″ (19mm) Dynamic Balance anodized aluminum dome tweeter with rubber surround and neodymium magnet for better power handling and smoother response.

10-80W Per Channel

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

All-Weather Performance

Polk Audio All-Weather Performance, 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 Speakers can effortlessly withstand the worst mother nature can dish out, whether its extreme temps or heavy rains.

180 Degrees Speed-Lock Mounting System

Speed-Lock Mounting, the easiest, fastest and safest of all mounting systems.

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

Broad Coverage Baffle Design Fills Large Outdoor Spaces

Broad coverage baffle design fills a large open outdoor space with big, full-range sound.

The Atrium 4 has a more steeply-angled baffle design that maximizes critical mid- and high-frequency dispersion over a large area, without sacrificing detail.

Aluminum with Stainless Steel and Brass Hardware

Gold-plated 5-way binding posts for the most secure, dependable hookups.

Aluminum grilles and bracket, with stainless steel and brass hardware: No rust. Ever.

Driver Complement
4 1/2” (114mm) mineral filled Dynamic Balance polymer cone, rubber surround, 3/4” (19mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure 5” (127mm) mineral filled Dynamic Balance polymer cone, rubber surround, 3/4” (19mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure 5 1/4” (133mm) Dynamic Balance aerated polypropylene cone, rubber surround, 1” (25mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure 6 1/2” (165mm) Dual Voice Coil Dynamic Balance aerated polypropylene cone, rubber surround, Two 1” (25mm) anodized aluminum dome tweeter w/ rubber surround and neodymium motor structure

Frequency Response
75Hz-25kHz 60Hz-25kHz 50Hz-27kHz 45Hz-27kHz

Recommended Power
10-80W continuous 10-100W continuous 10-100W continuous 10-125W x 2 continuous

Impedance
Compatible w/ 8 Ohm outputs Compatible w/ 8 Ohm outputs Compatible w/ 8 Ohm outputs Compatible w/ 8 Ohm outputs

Efficiency (dB 1w/1m)
89dB 90dB 90dB 91dB

Available Finishes
Black & White Black & White Black & White Black & White

Environmental Standards
ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion & Polk Audio Certification

Mounting Options
180º SpeedLock mounting 180º SpeedLock mounting 180º SpeedLock mounting 180º SpeedLock mounting

Dimensions (w/ bracket & knobs)
8 5/8” H x 5 11/16” W x 6 11/16” D (21.9cm H x 14.4cm W x 17cm D) 10 5/16” H x 6 3/4” W x 7 3/4” D (26.2cm H x 17.1cm W x 19.7cm D) 11 11/16” H x 7 11/16” W x 8 3/4” D (29.7cm H x 19.5cm W x 22.2cm D) 12 7/8” H x 8 1/2” W x 9 3/16” D (32.7cm H x 21.6cm W x 23.3cm D)

Product Weight
3.6lbs / 1.63kg (each) 4.6lbs / 2.09kg (each) 5.4lbs / 2.45kg (each) 9.7lbs / 4.4kg (each)

WIDER SOUND DISPERSION & SURPRISINGLY POWERFUL BASS driven by a 4 1/2″ mineral filled Dynamic Balance polymer cone and a 3/4″ anodized aluminum dome tweeter with rubber surround. 80W power cuts through loud, jarring background noises.
Recognized as ONE OF THE BEST-LOOKING OUTDOOR SPEAKERS, Polk Atrium 4 speakers come with a steeply-angled baffle design filling open spaces with big full-range sound! The outer profile easily blends into the corners of the outdoor walls.
ONE-CLICK SPEED-LOCK MOUNTING BRACKET offers EASY, ANTI-SLIP ONE-HANDED INSTALLATION allowing you to mount these speakers vertically or horizontally, to deliver the best possible sound in a variety of situations. Simply mount the swiveling C-bracket
THE SPEAKER FOR ALL SEASONS – it’s rugged durability, high environmental endurance and superior quality has helped Polk Outdoor Speakers earn the all-weather Certification. Effortlessly withstands extreme temperatures and heavy rain year after year.