Shure A15HP-TA In-Line Hi-PASS Filter

The Shure In-Line Hi-Pass Filter rolls off low-audio frequencies to reduce 60 Hz electrical hum and low-frequency-wind-, air-conditioner-, stand-, and floor-transmitted low-frequency vibrations. - When loaded with a low-impedance microphone input (800 ohms or more), the roll-off ...The Shure In-Line Hi-Pass Filter rolls off low-audio frequencies to reduce 60 Hz electrical hum and low-frequency-wind-, air-conditioner-, stand-, and floor-transmitted low-frequency vibrations. - When loaded with a low-impedance microphone input (800 ohms or more), the roll-off is 12 d - B per octave below 100 Hz.

When loaded with 150 ohms, the roll-off is 3 d - B at 100 Hz. The output is flat above the roll-off point (with a maximum loss of 0.5 d - B at 1 k - Hz). Features Rolls Off Low-Audio Frequencies Reduces 60 Hz Electrical Hum Specs In-Line Accessory Type EQ Filter Number of Channels 1 Inputs/Outputs XLR 3-Pin Female - XLR 3-Pin Male