JTS MA-500, Phantom Power Adapter, For electret microphones with 4-pin mini XLR connector, -10 dB attenuator, 2 Switchable low-cut filters, Robust metal housing with belt clip, Phantom power DC 12-48 V, 4-Pin mini XLR input, 3-Pin XLR output, Dimensions: Ø 20 mm x 96 mm, Weight: 41 g