QSC KLA Ground Stack Bundle@+*Bundle offer comprising*, 4x QSC KLA12, Speaker, Line Array System, Power: 500 W x 500 W amplifier, Lightweight ABS housing, Solo rigging system (without tools), Ar-Q frequency optimisation adjusts the system to the appropriate number of speakers, up to five elements (KLA12) and two basses (KLA181) on one frame, Coverage pattern: 90° x 18°, Equipped with: 1.75