... ' MF+ 2X3''HF 3.3-way full range line array speaker. Double 15" full range line array speaker (Q-15)1.Q ... -15 is a 3-way full-range line array loudspeakers system.2.It includes with two high-performance 15" LF units ... group, reduce comb-like interference between the loudspeakers to minimal, with long-range, high sensitivity, penetration power, regional voice covered evenly, such ...