This Is A Test (Arkham Knights Extended Remix)

Ladies and gentlemen We are experiencing technical difficulties Warning This is a total blackout Please stand by as we are currently testing our systems Testing light equipment L.E.D. screens Testing blenders Testing lasers Testing 3D video Testing pyrotechnics, stand by OK, we are about to do a Full Frequency Sweep 20 hertz 50 hertz 200 hertz 440 hertz 1 kilohertz 2 kilohertz 5 kilohertz 10 kilohertz Ok, Subswoofer kick test Balence check Left channel The sound should now be at the left speaker Right channel The sound should now be at the right speaker Left channel Right channel Left channel Right channel Left channel Right channel Left channel Right channel Left, right, left, right Left, right, left, right… Left..right..left..right... This, is a Test Before proceeding with this show We'll have to do one more test Testing at Maximum Volume Starting in 10 9 8 7 6 5 4 3 2 1 This, is a Test This, is a Test