12" jbl sub in band pass box and alpine deck

[5.0 killer]

can hear the 12 in my car, sounds awesome, have heard tonns of systems being in the industry, this box sounds amazing. also have a alpine cdm-7854 cd deck 40x4 detachable face. missing the harness. can buy at any alpine dealer.

offers?

[Jon]

approx asking price for sub and box?

[5.0 killer]

$80$ can hear it before u buy.