XLR models include a 6' cable of 14 guage superflex wire with an XLR power connector. The PRB-9 is a 12-Volt 9-amp hour Starved Electrolyte 2 Pocket Battery Belt. The PRB-9 uses a replaceable external fuse. The Quick release belt fits 28 to 50 inch waist. This version contains the ATM-PRB 1-amp Automatic Shutoff Charger.