Do you have a question about the PROEL S15A and is the answer not in the manual?
Crucial safety precautions to follow during product use.
Guide to operating the subwoofer and its various controls.
Description of LINE IN (XLR/JACK) and LINK/OUT (XLR) connectors.
Explanation of the crossover filter switch and level adjustment.
Details on SIGN/CLIP, ON indicators, and POWER/PHASE switches.
Detailed technical data for S10A, S12A, S15A, and S18A models.