The Pickups are passive but there is an active Pre-Amp for with 3 Band EQ which uses 9Volt Battery.
Turning down all EQ Filters is basically like turning off the Active Pre-Amp.
When plugging this in to Inputs that show active VS Passive now I think we supposed to use Active?
https://www.reddit.com/r/Bass/comments/qevi6y/swap_between_active_and_passive_on_ibanez_sr300/