RCF HDL 20-a: A 10-inch active two-way line array module featuring dual 10-inch woofers, a large-format compression driver, and a built-in digital amplifier with fanless heat dissipation (delivering up to 1400-watt peak and 700-watt RMS power)
Subwoofer Unit: A matched powered sub-bass enclosure positioned at the base of the stack to handle low-frequency reinforcement