The B.I.S. box earth loop hum eliminator is used for:
Features - 9V battery operation with "4 hours to go" indicator - so you know you can finish the gig!! The B.I.S. box is also NOT sensitive to hum fields, i.e. power transformers in guitar amps.
INPUT - Guitar or line level J.Fet input. High impedence
OUTPUT BUFFERED - Unity gain. Low impedence
OUTPUT ISOLATED - Unity gain. Low impedence. Floating earth
POWER 9v PP3 Battery
Video from Premier Guitar Rig Rundown featuring the B.I.S. box
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