LPF = Low Pass Filter, if u are going to use it for sub, use this
HPF = high pass filter, if youre goin to use it for speakers
Flat = if u want to use full range, like for 2 way coaxials
I'm helping friend of mine to share his bad experience here who had been scammed by this muthafucka last week lost of RM1900. And today that damn guy disguise another nick in mudah.my, 0174504079 wan93. Hope friends...