Behringer MICROHD HD400 Stereo Hum Destroyer

Behringer Ultra-DI HD400 2-Channel Passive Hum Eliminator DI Box 1/4" I/O

Behringer HD400 MICROHD Channel Portable AC Hum Destroyer Di Box BNIB rrp £79

Ultra-compact Hum Destroyer 2-channel Hum Eliminator Noise Filter 1/4 Inch F9P8

Behringer Supressor De Esser DE 2000 Untested

Ultra-compact Hum Destroyer 2-channel Hum Eliminator Noise Filter With 1/4 Inch

BEHRINGER SHARK FBQ100 Automatic Feedback Destroyer (no power supply) - Untested

Behringer MiniFBQ FBQ800 Ultra-Compact 9-Band Graphic EQ Equalizer