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Amazon.com: TOPKITCH Commercial Blender 70oz 3.5 hp 5 Programmable Function,Quiet Blender with Digital Waterproof Touchpad and Quiet Sound Enclosure - 120V: Home & Kitchen
If your blender is crazy-loud, use a towel to dampen the sound - CNET
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Vitamix 15081 Tritan™ Copolyester Sound Enclosure Cover Door for The Quiet One Blender