The Harman/Kardon Go + Play is one of the best-sounding portable iPod speaker systems you can buy, but its high price and lack of compatibility with recent iPod models make it a limited recommendation.
Harman Kardon Go + Play Review — Audiophile ON
The perfect speaker for your new Echo Dot or Home Mini: $124.99 - CNET
Go + Play™ Micro Compact loudspeaker dock for Apple iPhone and iPod
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Harman Kardon Go + Play Micro - Video - CNET
Harman Kardon’s iconic design meets superior function in this high-performance, full-featured, portable Bluetooth speaker: the Harman Kardon Go +
Harman Kardon Go + Play Portable Bluetooth Speaker - Black
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go + play™ II - Harman Kardon
Introducing Harman Kardon Go + Play 3
Harman Kardon Go + Play Portable Bluetooth Speaker - Black