Okay i have a setup with
2x Digital Deisgn 1508 subs
with a custom box enclosure at 1.75cubic feet by 35HZ
Running on a
JBL GTO7001 Amp
Pushing at 2ohm makin up to 700rms
Signal from a
JVC AVX800
Preout amp at 5v
700rms /2 = should be roughly 350 rms underated power coming from my JBL...