Electro-Voice ZLX-12-G2-US 12" 2-way Passive Speaker, 2nd Gen Semi-Hollow so the SB-1 does not

so the SB-1 does not require batteries or external supply to make it work

and hardware

3-button footswitch connector for remote operation

Can't track down where that noise is coming from

Neck Plate 4-Bolt Squier®

Electro-Voice ZLX-12-G2-US 12" 2-way Passive Speaker, 2nd Gen Semi-Hollow so the SB-1 does notZLX G2 is the next generation of the bestselling pro audio loudspeaker series from Electro Voice The next generation of the worlds #1 pro audio loudspeaker With more than a million units delivered, satisfied users and venues worldwide positioned the original ZLX series as the industry standard for providing real professional performance at an accessible price point. Stepping up ZLX G2 builds on its predecessors winning formula with increased output,