The PB23 is for powering phantom powered microphones with 48VDC. Since the unit uses a 100KHz switching power supply there is no audio noise generated. It has an output pull down resistors so it will work with any mixer.

MPN: PB23
UPC: 675889002300

• Powers a single microphone
  
• Utilizes a switching regulator for stable voltage performance
  
  
• Phantom voltage: 48V
  
• Connectors: 1: Male XLR, 1: Female XLR, 1: 5mm DC input jack
  
• Power Input 12 - 18 VCD (Rolls PS27)
  
• Size: 3" x 2.5" x 1.25"
  
• Weight: 1lb (.68 Kg)