Passive

Designed and tuned in the Turkey, Sti Professional’s Z12A boasts an all-new1200-watt peak power. With a reimagined 12-inch low-frequency driver fused with a new 2-inch horn-loaded high-frequency driver with a precision waveguide, Z12 has been painstakingly designed to play louder, handle more power and produce a level of clarity at higher SPLs that defies belief. With an extended-range frequency response and exceptional heat dissipation for impressive power-handling, plus large crossover protection, Z12 guarantees to withstand the rigours of the road and secures your peace-of-mind, even at all-night-long concert levels.

Designed and tuned in the Turkey, Sti Professional’s Z15 boasts an all-new1600-watt peakpower. With a reimagined 15-inch low-frequency driver fused with a new 2-inch horn-loaded high-frequency driver with a precision waveguide, Z15 has been painstakingly designed to play louder, handle more power and produce a level of clarity at higher SPLs that defies belief. With an extended-range frequency response and exceptional heat dissipation for impressive power-handling, pluslarge crossover protection, Z15 guarantees to withstand the rigours of the road and secures your peace-of-mind, even at all-night-long concert levels.