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 change my rx 8 baterry today, after that the rpm become very low below 500rpm what had wrong with it? pls somebody help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:cry_smile: