Speaker Candidates# Tang Band W3-1878# $87.49, 3” Tang Band W4-1320SJ# $69.40, 4” Tang Band W6-2144# $91.10, 6.5” Fountek FR135EX# $99.98, 5.5” Dayton RS75T-8# $25.98, 3” Additional References# http://feleppa.com.au/speakermeasmid.html