RCF ART 312 A MKII B-Stock full range active speaker, 12"+1", bi-amped, 300W bass + 50W HF, no fan, 90°x60°, 12" high power woofer with 2.5" diaphragm, 1" neodymium driver ND1411 with titanium dome, 127dB max, EQ, phase alignment, limiter and protection, XLR input (mic/line switchable), XLR parallel out, plastic housing, pole mount adapter, Optional Bracket (249292 or 249203), Dimensions: 680 x 405 x 345mm. Weight: 19kg