Positive Grid Spark Go. I thought it was just right for practice. I used it for a while, but recently the number of turns has decreased, so I will exhibit it.. While using it, I connected a smartphone with a Bluetooth, and played an active part in the night ad -lib practice according to the backing truck.. It was almost used for headphones. I was able to confirm the sound. I also confirmed that USB type C could be connected and charged. I also confirmed that Bluetooth connection with a smartphone can be connected. The outer box has traces of peeling the tape at the time of opening.. There is a dent scratch of about 1mm at the bottom of the back of the main unit. * Please refer to the 7th photo. All of the accessories in the photo. * Replacement SP panel (unused), replacement belt (unused), charging USB type C cable (unused)
I heard the sound for the first time after confirming the sound out of the exhibition, but this sound quality is high in this size.. You can also set a detailed setting in cooperation with a smartphone app. We are waiting for the bid of those who can judge from the above explanation and photos.. Thank you very much.

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