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The Harman Kardon Onyx Studio 2 is a portable Bluetooth speaker manufactured by Harman Kardon in 2015, identified by model number TR00236_B.
Why doesn't the speaker play when disconnected from the power chord?
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Does it just shut off?
@jachin0357 does it play while it is connected. If so you most likely have a bad battery.
@jachin0357 if it does play while it is connected you most likely have a bad battery. Here is the guide to replace it.
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