Uses 12 x Vifa BC11SG a side + Peerless Horn tweeter..
requires a sub, but when combined with one it can do the whole gammet from soft highly detailed classical or acoustic work... right up to obnoxiously loud rock.. if the sub(s) can keep up !!!I think it works out at around 97-98 dB sensitivity, with a rms power rating of over 200w.. so they can get VERY loud !!!!