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
Yas Island - Abu Dhabi, November 3rd, 2007 - A Foundation Stone Ceremony was held today in Abu Dhabi to officially signify the start of construction of one of the most multi-dimensional and highly anticipated themed...