600W DIY Most Powerfull BT Boombox Speaker on internet - Test

finally new amplifier inside, let's have fun!
Amplifier TAS5630 2x300W
Speaker Skar Audio EVL-65 2x4ohm
battery 8S2p 16 x 18650
Led panel - spectrum analyser www.banggood.c...
DC-DC step down convertor www.banggood.c...
10s BMS www.banggood.c...
Voltmetr www.banggood.c...

[@DubHead69420]

If you mean the most powerful DIY then yes, maybe.
But I think the most powerful BT speaker is the newest Diamondboxxx.

[@quadsquad3087]

Okay they claim 660W RMS which is 60W more, but mine is smaller, I can put it in my back pack :]