Phantom power supply adapter For electret microphones Volume control with on/off function Internal power supply via 1.5 V battery AAA size (not supplied) 3.5 mm jack as input 4 m connection cable with 3.5 mm plug as output Category: phantom power supply adapter Input voltage: 1.5 V batt. AAA size Output voltage: - Charging/output current: - Charging time: - Trickle charge: - Polarity selection: - Switchable output voltage: - Reactivation: - Connections: 3.5 mm jack Cable length: 4 m Short-circuit protection: - Overload protection: - Overheat protection: - Reverse polarity protection: - Detection of faulty battery: - Protective class: - Admiss. ambient temp.: 0-40 °C Dimensions: 55 x 19 x 50 mm Weight: 65 g Position: - Other features: - Warranty: 3 years