Neumann N 248 Power Supply for Mono Condenser Microphones w/ 48 V Phantom PowerPOWER SUPPLY N 248 The N 248 supplies one stereo microphone, or two mono condenser microphones with 48 V phantom power (P48). All connectors are of XLR 3 type. The audio signal outputs are DC free. The 5 directional patterns of the TLM 170 R can be remote controlled with rotary switches. The remote control operates by varying the nominal phantom voltage of 48 V over a range of 3 V (patented). As in standard operation, cable lengths up to 300 m are