Palmer PAL-PWIPPER Passive DI BoxIf you need to pick up the pure sound of your guitar, bass or keyboard, you need a high quality DI Box which does not alter the natural sound or add any noise. The Palmer wipper is a single channel passive DI box with a high quality transformer, which also handles high levels without distorting or losing the pure sound of your instrument. With a ratio of 10: 1, it can be used for optimal impedance and level adjustment to connect instrument signals