I have a sub out on my unit with a powered sub. Does this sub need to be powered up?

Yes, you need an amp to power this sub.

I have an amp with a separate coax sub output. Can you recommend and outdoor sub for this configuration?

Since you have a Sub-out, you will need to connect to a sub amplifier and the from the amplifier to the subwoofer. we recommend that you purchase the 10D Sub (either in Granite or limestone finish. the best combination is to buy the Granite 10D or the Limestone 10D along with the XJ300ST amplifier. use a single coax from the sub-out of your amplifier to the XJ300ST input then connect the XJ300ST speaker output to the Rock subwoofer

This says "2 x 4-ohms". is the total impedance presented to the amp 8 ohms? does it look like an 8 ohm speaker to the amp?

The speaker has a dual voice coil woofer. With this type of design the manufacture put two (2) inputs in to allow flexibility in interfacing with separate left and right speakers. This speaker is designed to be a sub-woofer to support bass in an outdoor environment.

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Earthquake Sound Granite-52 Outdoor Speakers (Pair)

Product ID: 13462897

Details

Brand
EARTHQUAKE
Speaker Maximum Output Power
200 Watts
Connectivity Technology
Coaxial
Audio Output Mode
Surround
Mounting Type
Tabletop Mount

🔊5.25" woofer

☀️UV treated

🌧️Weather-resistant

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$572.27

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Description

🎶 Elevate Your Outdoor Experience!

BUILT TO LAST - Epoxy resin construction withstands the elements
OUTDOOR READY - Perfect for any patio, garden, or poolside gathering
COMPACT POWERHOUSE - Includes 5.25-inch woofer and 0.5-inch tweeter
CRYSTAL CLEAR SOUND - Sealed design with premium materials for superior audio
BLEND SEAMLESSLY WITH NATURE - Rock-like appearance for outdoor harmony

The Earthquake Sound Granite-52 Outdoor Speakers are designed to withstand the elements while delivering exceptional sound quality. With a rock-like appearance, these speakers blend seamlessly into any outdoor environment, making them the perfect addition to your patio or garden. Featuring durable epoxy resin construction and a completely sealed design, they ensure longevity and crystal-clear audio performance.

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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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$572.27

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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