Overview The Rolls MP13 Mini Microphone Preamp is a single-channel microphone preamp that is designed to provide a small, simple, and inexpensive solution for a variety of applications. The unit sports 3.5mm and XLR inputs, XLR and 1/4" outputs, and a single gain control with a clip indicator. Phantom powering (+24V) is included for use with a condenser microphone. The 1/4" output is specially designed for use as either a mono unbalanced output, or a stereo headphone output. With Pearstone SM Series XLR M to XLR F Microphone Cable (6') features 24-gauge oxygen-free copper conductors, spiral shielding to protect against EMI and RFI noise, and quality molded-boot chrome connectors. The twin conductive PVC shield reduces electrostatic noise, and distinguishes the SM series from the rest of its class. In the box Rolls MP13 Mini Microphone Preamp External Power Supply Limited 1-Year Warranty Pearstone SM Series XLR M to XLR F Microphone Cable - 6' (1.8 m) Limited 1-Year Warranty