few pics of the focus build the subs on trial - FI Q 12, CDT QES1220 (SQ purposes), and AA Havoc 12 Tru Tech Billet 6 and Hammer all cables braided and secured down Box for the havoc 2.3cuft tuned to 30hz Scores (single 12 with a relatively flat battery due to booming all day non stop practically); Peak= 140.6@ 32Hz 40Hz= 137.9dB 33Hz= 140.0dB 25Hz= 139.2dB 20Hz= 132.8dB ill get some pics of our demo cars etc up in a while bassboy