Specifications: Connector: 1/4" TS
Power Supply: 9V, 100mA DC regulated
Power Connector: 2mm DC jack, negative center
Battery: 9V type 6LR61
Power Consumption: 30mA
Cord Length: 3.3 m (10.8') long with 8-pin connector at headset end; 3-pin XLRM-type connector (microphone) and 6.3 mm (1/4") phone plug (headphone) outputs