Get loud! A must for meets and practice.
Basic Megaphone: Adjustable volume with trigger on/off switch. Requires 8-AA batteries that are not included.
Power Jack Megaphone: 45w Megaphone with range of up to 800 meters. Requires 10 "D" batteries for 17 hours of use. Batteries not included.
The Shot Put and Discus Throw Manual has over 200 pages of incredible content; from technique to pre-designed workouts - this book has everything you need as a THROWS COACH!
Free videos and more on coaching the throwing events.