For securing the batteries
Archival Methods 06-502 Binder Box (1
12 or 24 volts Socket (Lampholder) GY6
while still keeping them readily accessible
which can be set either high or low into one of eight binary combinations
Pyle Pro Dual High-Powered Active / Passive Speaker PA System Underwater Lighting For securing the batteriesThe Dual High Powered Active Passive Speaker PA System from Pyle Audio includes an 8" active speaker, an 8" passive speaker, two speaker stands, a wired handheld microphone, a remote control, and a power cable. It can be used in sound reinforcement applications for vocal and speech presentations in schools, boardrooms, meetings, conferences, and more. The system features a built in digital audio amplifier, an XLR microphone input, 1 4" speaker input