Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black (New Model, 100

Crafted to be the best sounding, full featured, portable Bluetooth speaker in its class, The Onyx studio 4 offers two device connections, 8 hours of playtime and Harman Kardon connect+, which allows you to connect 100+ speakers with the same feature with the touch of a button. Rounding out the Onyx studio 4 offerings is a built-in microphone with voice logic, echo and noise cancellation for crystal-clear conferencing over the speaker.

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Amplify your listening experience by wirelessly connecting more than 100 HK connect+ enabled speakers.
The rechargeable battery supports up to 8 hours of playtime
Stream music wirelessly via Bluetooth to enjoy room-filling sound. Connect up to 2 smart devices at the same time and take turns playing music.
Access Siri or Google now from the speaker with a simple button press. This can be easily configured via the HK connect app.
The superior fabric and finishing combines with iconic design to compliment any style.
Signal to noise ratio: 80dB A-weighted