Rolls MP13 Mic Pre with Phantom Power Juzek -Plastic tube insulators inside the

-Plastic tube insulators inside the heavy gauge tubing

The letters TLM stand for "transformerless microphone" which mean the usual output transformer is replaced by an electronic circuit

Headstock: Solid/LX Taper

low-profile steel box with raised edges to protect the connectors

Diana Ross had the Supremes

Rolls MP13 Mic Pre with Phantom Power Juzek -Plastic tube insulators inside theThe MP13 is a small, simple, and inexpensive microphone pre amplifier for a variety of applications. The unit has XLR and 1 4" Outputs, XLR and 1 8" Inputs, and a single Gain control with a Clip indicator. Switchable Phantom Power is included for use with a condenser microphone. The unit comes complete with a power adapter. MP13 Mini Mic Preamp Small size Works with dynamic, Phantom and Heaset mics XLR and 3. 5mm inputs XLR and 1 4" outs Works with 9