AD-5100PA+ is 5 channels amplifier that designed to use with AV or multil channel preamps for driving the ceiling channels. Power output up to 5x100W and it has perfect protecting circuit, low distortion and intelligent cooling system and individual signal indications. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.