Anchor Liberty MPB-4500 PA System. w/ Ac Cord. In stock and ready to ship. The battery is working.   The MPB-4500 is a 50-watt battery-powered sound system that runs 6 to 8 hours on a charge. It is designed for crowds up to 1,000 people with its 117dB of clear sound. Built-in options include a cassette player, wireless receiver, or a combination of both. Liberty is used at the White House for Presidential press conferences, at thousands of schools around the world, at corporate training centers and on every U.S. aircraft carrier. Liberty is rugged, reliable and crystal clear.

Why buy from UsedAV.com? Our "UsedAV Owned" inventory is equipment maintained by our certified technicians in one of our four nationwide locations. With a knowledgeable staff and unparalleled customer service, we’re sure you will be happy with your audiovisual gear purchased from our site.

• 2 microphone inputs
• 1 auxiliary line level input
• Phantom power on mic inputs
• 1/4" line level output
• Separate bass and treble controls
• 1/4" external speaker output
• Built-in 50-Watt amplifier
• AC/DC operation
• Internal rechargeable battery lasts up to 10 hrs depending on volume used
• Battery recharge time 6 hours for 90% charge
• Will accept optional 8’ adjustable tripod stand