I like the sound when it works, however, sometimes the signal cuts out and it becomes weird and glitchy
I would recommend this to a friend!
Response from harmankardon.nlBy Customer Support, February 22, 2026
Thanks for your feedback. Bluetooth will perform well for up to 30 feet. However, walls, obstacles, and other wireless devices can impede that 30-foot range. If it works well at 10 feet or less, it is likely that there is something interfering with your wireless Bluetooth signal, causing these dropouts. Here are some troubleshooting steps that might help isolate the issue with your Harman Kardon Onyx Studio 8. Sometimes a Bluetooth connection can become corrupt, try to unpair and re-pair your Bluetooth connection. Next is reset, press and hold the Volume + and Bluetooth buttons simultaneously for more than 5 seconds, until the speaker powers off. You may need to 'forget' the speaker in Bluetooth settings on your phone/tablet in order to pair it again. If the issue remains, please contact us here: https://support.jbl.com/us/en/#contact
The sound quality and finish of this Bluetooth speaker is simply phenomenal! I’ve never seem something this compact fill a room with such big and detailed sound! HK always brings the quality and durability. I’m so impressed with the unique design. Everyone who comes over comments on how great it looks and especially how it fills the room with beautiful music! If you have the chance to get one of these just do it!
I purchased to use with Roku TV , phone and sometimes outdoors. The lack of Roku TV to pair is not HK issue but definitely left me disappointed that HK don’t have Roku TV pairing with HK onyx studio9 with NO mic( pro or con) I must admit the product is well built and clear sound notes will have an impact on you, with Pairing and ease of use with App is seamless. I tried to cast on Roku thru Iph and send sound thru my phone thru HK( with Bluetooth)that didnt work either, unfortunately sound came only thru TV speakers and not HK. To conserve battery it keeps going to sleep, and needs a walk to speaker to wake up and to play your fav channel or genre.
This is my second Onyx Studio. The last one I purchased nearly ten years ago and still sounds as great as the day I bought it. Thank you for making a high quality product at an affordable price!