Behringer Classic 550-Watt Bass Amp Head BVT5500H Powerful 550-Watt bass amplifier head for classic sound and performance VTC Tube Modeling gives you the sound and feel of an authentic tube amp Balanced XLR DI output for direct connection to your mixing console Effects Loop for external effects devices (stomp boxes, rack effects, etc.) 3 speaker outputs: two 1/4" jacks and a professional speaker connector (compatible with Neutrik Speakon connectors)