Are these original speakers?

No, there were speakers long before these existed.

Does it need to be plugged in at all times?

These speakers require speaker wire to be connected to them when being listened to. There is no power cable to be plugged in.

Is this a single speaker or a pair of speakers?

Since this question was asked regarding the Atrium 8 version but Amazon shows it under both the 6 and 8 version, the Atrium 8 version is sold as a single speaker. The Atrium 6 version (and smaller) are sold as pairs.

What is the rms wattage per speaker? I cannot get a straight answer!

Polk claims they will handle up to 125 watts per channel, but with a sensitivity of 91dB 《8 ohm) these speakers get very loud quickly. I have an older Technics H class receiver (100 watts p/ch) & have never pushed over half volume on my pair. Note: I do enjoy cranking it up. With a freq. response of 45 - 27,000Hz, I found a sub wasn't needed. Placement, area & environment ( walls, height, corner availability) make a big difference when installing them correctly, but wattage shouldn't be a concern. These speakers are a great buy for the price.

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Atrium 8 SDI Speaker (Single, Black) by Polk Audio

Product ID: 736570704

Details

Brand
Polk
Speaker Maximum Output Power
125 Watts
Mounting Type
Tabletop Mount
Speaker Type
Outdoor
Recommended Uses For Product
Outdoor

🎵125W powerful output

🔄Dual input versatility

🛡️Military-grade durability

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Description

🎧 Outdoor sound that outlasts the elements and outperforms expectations.

FLEXIBLE STEREO SETUP - Dual input/single input switch lets you customize your stereo experience effortlessly—left, right, or single speaker mode.
EFFORTLESS INSTALLATION - Speed-Lock mounting system enables quick, secure one-handed setup—even in tricky spots.
WIDE AREA SOUND DISPERSION - Steeply-angled broad coverage baffle design maximizes high-frequency spread, filling your outdoor area with rich sound.
BUILT TO BRAVE THE ELEMENTS - Exceeds military and industrial standards for salt, corrosion, and immersion resistance—your outdoor sound fortress.
CRYSTAL CLEAR HIGHS WITH ANODIZED TWEETERS - Aluminum tweeter domes with rubber surrounds deliver smooth, broad high-frequency coverage for expansive outdoor spaces.

The Polk Audio Atrium 8 SDI Speaker is a rugged, high-performance outdoor speaker designed to withstand harsh environmental conditions with military-grade durability. Featuring 125 watts of power, anodized aluminum tweeters for crisp highs, and a versatile dual input switch, it delivers broad, immersive sound coverage. Its innovative Speed-Lock mounting system ensures quick and secure installation, making it the ideal choice for professionals seeking premium outdoor audio that combines resilience with superior sound quality.

Specifications

Compatible Devices	Laptop, Smartphone
Unit Count	1 Count
Item Weight	4.4 kg
Is Waterproof	False
Maximum Range	10 Meters
Control Method	Voice
Speaker Size	6.5 Inches
Batteries	1 Lithium Ion batteries required.
Item model number	AM8085-A
Is Discontinued By Manufacturer	No
Speaker Count	1
Output Wattage	125 Watts
Wattage	2

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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515861CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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