Question Block Mario bluetooth speakers

I've reproduced a list of supplies below, and a wiring schematic (although not the greatest drawing). When it came to splicing multiple wires together, I used solder seal wire connectors and a heat gun to speed up the process.\ 1. Power Supply used a 12v 1a charger that supports 2.1mm size. https://www.aliexpress.com/item/32874871456.html?spm=a2g0o.order_list.order_list_main.79.74b31802L5zGbM 2. 2.1mm female barrel sockethttps://www.aliexpress.com/item/1005008987005268.html?spm=a2g0o.productlist.main.4.72a846c3AidiIb&aem_p4p_detail=202509011339442406919604236800005128404&algo_pvid=a6984b53-35d7-4b02-b9ee-0a2109d96f62&algo_exp_id=a6984b53-35d7-4b02-b9ee-0a2109d96f62-3&pdp_ext_f=%7B%22order%22%3A%2246%22%2C%22eval%22%3A%221%22%7D&pdp_npi=6%40dis%21CAD%213.57%213.43%21%21%2118.10%2117.38%21%402101e7f617567591844727628e0d82%2112000047469895587%21sea%21CA%21699972501%21X%211%210%21n_tag%3A-29919%3Bd%3Ae40c79d0%3Bm03_new_user%3A-29895&curPag