Hello is any one replace in his ic 775dsp the icom filters to the inrad ? i'm looking for some info about what filter was better, 2nd is any one test with ic 7800 or the prolll this speaker? [is it same as the sp20 or there is some different?] vy 73 all the best Elan DL9FCC Marry Chsitmas&Hppy new year