With the Amplivox Half Mile Hailer you can easily be heard over a half mile away! Its simple straightforward controls, and lightweight design make it the most practical and portable outdoor speaker sound system on the market! If you need to be heard in a large and noisy crowd this is your solution. Each unit also includes a built in siren with push button control to alert crowds or get their attention.

Help your school meet the security requirements of the No Child Left Behind Act with the Half Mile Hailer^®. Let AmpliVox help you provide a safe learning environment.

Available in standard or wireless model as listed above.

Features:

• 50W multimedia stereo amplifier with 3 mic inputs
• Includes dynamic mic with 5' coiled cord
• Weatherproof reverberant horn speaker
• Emergency Siren Button
• Shoulder strap
• Power up to 200 hours with 10 D-cell alkaline batteries