updates the Echo Lineup and Introduces the Echo Sub, a sub

launches three new Echo devices starting at Rs 4,499 - BusinessToday

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launches Alexa-powered microwave, wall clock and more

Pioneer India introduces its 2012 in-car entertainment line-up - ZigWheels

updates the Echo Lineup and Introduces the Echo Sub, a sub-woofer for your Echo devices - Tech Raman

Echo Sub: a $129.99 subwoofer that pairs with Echo speakers - The Verge

Echo Sub review

Everything you need to know about the Echo - CNET