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Amazon.com: Bose 251 Outdoor Environmental Speakers, Black, 2 Sets with Sonos Amp 2.1 Channel Amplifier : Electronics
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Coastal Source Bi-amped 2.1 Outdoor System SAS300/4-SPR-C2 amp/enclosure with Sonos Port, two 10.0 2-Way Ellipse Bollard speakers, and 14.0 Bollard subwoofer at Crutchfield
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