Speakers : Line Arrays : Polk Audio - Atrium 8SDI W

Outdoor Speaker with Single/Dual Input Switch, White

Series: Atrium

Model: Atrium 8SDI W

6 1/2-inch (165cm) long-throw aerated polypropylene cone driver with butyl rubber surround pumps
Two 1-inch (25.4mm) anodized aluminum dome tweeter with rubber surround and neodymium magnets offer better power handling
Powerport bass venting
Broad coverage baffle design
Atrium Series Speakers exceed baseline industrial and military specifications for environmental endurance

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Atrium8SDI has a unique, patented* single/dual input switch that combined with its ingenious dual tweeter array enables you to use the Atrium8SDI as either a single high performance stereo loudspeaker, or the left-or-right speaker in a high performance stereo pair. And you can use it practically anywhere, also has special military spec waterproofing features, including our patented water-resistant PowerPort® bass venting.

6 1/2-inch (165cm) long-throw aerated polypropylene cone driver with butyl rubber surround pumps
Two 1-inch (25.4mm) anodized aluminum dome tweeter with rubber surround and neodymium magnets offer better power handling
Powerport bass venting
Broad coverage baffle design
Atrium Series Speakers exceed baseline industrial and military specifications for environmental endurance
Durable, mineral-filled polypropylene cabinet design, with molded-in bracing
Patented Dynamic Balance® and Klippel optimization technologies ensure the perfect material performance
Aluminum grilles and bracket, with stainless steel and brass hardware
Gold-plated 5-way binding posts for the most secure, dependable hookups

Depth: 9.19 in
Diameter: 1"(2.54cm)
Diameter: 6 1/2"(16.51cm)
Height: 12.87 in
Impedance: 8 ohm
Nominal Impedance: 8 ohms
Type: Anodized aluminum dome tweeter with neodymium motor structure
Type: Dual voice driver with Dynamic balance aerated polypropylene cone with rubber surround
Width: 8.50 in
Inputs: Gold-plated 5-way binding posts
Recommended Amplifier Power: 10 to 125x 2 watts
Tweeter: Quantity 2
Efficiency: 91 dB
Product Weight: 9.70 lbs
Total Frequency response: 45Hz to 27kHz
Color: White
Minimum Frequency Response (Bandwidth): 47 Hz
Minimum Frequency Response (Bandwidth): 0.05 kHz
Maximum Frequency Response (Bandwidth): 20000 Hz
Maximum Frequency Response (Bandwidth): 20 kHz
Mid/Woofer: Quantity 1