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The Echo Sub offers an instant bass upgrade to the Echo line of smart speakers, but stereo pairing two Echos makes for a better music experience.

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Your Protection Plan will be delivered via e-mail within 24 hours Only compatible with Echo Sub (2018 release) purchased within the last 30 days Your

Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device

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Echo Sub review: Echo Sub is $130, turns Echos into a 2.1 system - CNET

Echo Sub review: Add some serious bass to your Echo or Echo Plus speakers