hi, right now i have a very desent build, moderate experiance and knowledge.
current setup for reference i guess: 2012 ford focus hatch back, 1x dd audio 715d2, dd audio cc 6,5" set, soundcubed 3000.1, dls ca-p44 (4x 100w @4 ohms), stetsom dsp.
not sure how much db im pushing but to state...