Proel - #proel S Series All the S models feature high-excursion woofers in a Hybrid Band Pass configuration (HBP). This innovative design provides a higher efficiency compared to direct radiation sub-woofers and,
Proel S12A – Thomann United States
Proel S15A S-Series Active 15" Subwoofer – Proel North America
Proel S12A 12" Active Subwoofer at Gear4music
Proel S10A S-Series Active 10" Subwoofer – Proel North America
PROEL Session 6 Compact Portable Array PA System – Bananas at Large®
Proel S12A S-Series Active 12" Subwoofer – Proel North America
Active sub-woofer – Sound System PROEL
Proel S18A S-Series Active 18″ Subwoofer - MS - The Mix Of Sharing