This is a vintage Radio Shack 32-2038 10-Watt Powerhorn NEW LOWER PRICE 

Comes complete with a detachable handheld Microphone combines a high-efficiency trumpet horn speaker, a powerful compact solid state amplifier that puts out over 105 dB of power that can be heard for 1.6 Miles (2.57 km). The microphone has an adjustable volume that provides crystal-clear sound. It also has a built in siren. This Powerhorn is ideal for sporting events, tour groups, camp-outs, or anywhere you want to be heard. The condition is great with no battery leakage or terminal damage. It has been fully checked out and comes complete with eight new Duracell C Batteries, a $20 value!

It’s features include: 

• Rustproof, water resistant ABS housing – makes it ideal for use in all weather conditions.
• Lightweight design with shoulder strap – makes it easy to carry
• Detachable push button microphone – so you don’t have to hold the entire Powerhorn’s weight in your hand.
• Microphone with volume control – lets you adjust the sound level to the group size and save battery power.
• Feedback Control – lets you adjust to the amplifier’s peak output and eliminate feedback indoors.
• Built in siren – for a very loud alert sound