That was with the door open and and on music and I'm still on stock battery and alt. But when I had my box built he said he had to go smaller then what he wanted cause it wouldn't tuneover 20 hertz
I currently have a a dd 3512 in a 2.5cube box tuned at 32 hrtz with a a Db drive Okur 2400watt amp wired at 1ohm in an 01 ext.cab s10 I had it metered and its doing a138.8db at 32.4 hertz
