The Technical Pro MPHBattery is universal and compatible with most large megaphones including Pyle, Seismic, and Ampli-vox.
The Technical Pro MPHBattery is simple and user-friendly, with a built-in AC wall charger that opens and closes for convenience, and an LED indicator to let you know it's fully charged. Technical Pro Portable 50-Watt Megaphone Bullhorn Speaker w/ Siren & Detachable Microphone w/ Rechargeable Battery, for Coach, Cheer Leading The KTMPH50BLBAT is a high-powered megaphone great for any occasion. Megaphone Features: Great for making announcements at sporting events, parties, and other large venuesHigh powered bullhorn loudspeaker that helps your annou The KTMPH50BLBAT also comes with a built-in siren and internal memory that allows you to record messages and play them on a loop.For convenience, it features a wired microphone that can be attached to the back of the KTMPH50BLBAT and activated via the trigger controls or detached and activated via integrated controls on the microphone itself.