RCF SUB15-AX Professional Active 18" Subwoofer

Use your sub as your hub

The RCF SUB 15-AX includes powerful speaker management tools, enabling you to use it as a central hub for your entire system. Its built-in digital crossover, which includes extended FiRPHASE with Crossover Phase Alignment, provides you with presets for a huge selection of RCF speakers. Its onboard DSP includes eight recallable snapshots, a full-range parametric EQ, and a time delay. You also get top/sub alignment, a highpass filter, and a cardioid function. You can take command using the SUB 15-AX's 2.4-inch, full-color touchscreen or with the LiveRemote smartphone app via Bluetooth. Here at Sweetwater, we're constantly looking for new gear to make our musical lives easier. And, thanks to its stellar tuning and optimization tools, the SUB 15-AX gets two enthusiastic thumbs up.

The RCF SUB 15-AX is not only a muscular-sounding powered subwoofer, but thanks to its built-in DSP and convenient remote control, it also makes a powerful central hub for your entire system. The SUB 15-AX pumps a brawny 2,200 watts through a high-power 15-inch woofer, yielding subterranean low end down to 35Hz with a rafter-shaking 133dB maximum SPL. Meanwhile, you'll find the subwoofer's digital crossover and convenient speaker presets handy, in addition to its intuitive, full-color touchscreen interface. You also get RCF's revolutionary Bass Motion Control, which provides exacting woofer excursion management. The SUB 15-AX pairs seamlessly with the LiveRemote smartphone app via Bluetooth, providing you with robust multifunctional control over your setup along with effective digital tools for tuning and optimization. Complete with a rugged polyurea-coated multi-ply hardwood cabinet, the RCF SUB 15-AX combines premium low-frequency extension and comprehensive system control into a single, easy-to-transport unit.