*Powerful Sound With a 20-Watt power output and full-range frequency response; this PA speaker horn delivers crystal clear and high-powered sound that can be heard far and wide. *Durable Construction The heavy-duty aluminum clamp ensures your PA horn speaker stays securely in place; even in rough or outdoor environments. *Versatile Use Whether you use it for safety drills; public addressing movements; college events; or outdoor parties; this PA horn speaker is designed to handle various applications. *Efficient Performance The compact PA horn performs efficiently. It produces clear and powerful sound with minimal distortion or interference; even at high volumes.