JD7 Guitar Rack Mount Splitter Injector 1-In 6-Out 1UThe JD7 allows you to feed up to seven amplifiers simultaneously, with premium Jensen transformers on the outputs that ensure distortion free signal transfer while blocking hum and buzz from ground loops. To help retain the natural tone of your instrument, Drag control load correction is also featured on the input so you won\'t lose the tone and feel of connecting your guitar directly to an amplifier. The JD7 has a built in Radial DI box, so you can