DIY Pelican 1200 HiFiBoomBox ver3: 30W/ch - 21VDC (5S) Li-Ion & Bluetooth 4.0/AptX HD

DIY Pelican 1200 HiFiBoomBox with integrated Bluetooth 4.0 & 30Wx2 (TPA3116- very efficient) Amp board that plays super clean and loud. No BBE or sound processing just straight up pure sonic musical reproduction. AKA "BlackJack 21" with rugged portability and extended battery operation (~126Whrs). Smooth detailed sound with Link-Witz Riley crossover alignment (6500Hz). Easy to moderate level build (~8hrs) due to manageable space and minimum components. Parts list at end of the video but no links (please read my about page for why not?).