audiopipe amp

I have 2 American bass xfl1244 on a audio pipe 30001d. I don’t have max dimensions for box right now but will update soon. I’m mainly confused on port dimensions than anything. Any help would be appreciated.

first off i have 2 audiopipe apcl 15001d's bridged at 2 ohms on 4 obsidian audio 15 v3's, they are d4's in a 14cu.ft box tuned to 33hz. my problem is that i tuned my amps with an oscilloscope on a 100 and a 40hz 0db test tone, my receiver clipps the sub out at volume 36, so i tuned the amps at...

Item(s) for Sale: Audiopipe mini 2075 Item(s) Description/Condition: Used LNIB. 10/10 functioning , 8.5 cosmetic (just because it's been mounted) APSM-2075 Channels 2 Channel Power (Max) 1000 Watts Power (RMS) 2x75W @ 4 Ohm 2x110W @ 2 Ohm - Frequency Resp. 5Hz - 30kHz S/N Ratio...