Description
Every pedal you add to your board introduces impedance mismatches that quietly chip away at your tone—less clarity, less top-end sparkle, less punch by the time your signal reaches the amp. The MXR CAE Buffer (MC406) sits in your chain and corrects that, restoring the signal integrity that gets lost across long cable runs or crowded boards.
- Up to 6dB of clean gain on tap, ideal for compensating volume drops caused by vintage or boutique pedals in the chain
- Extra output jack for feeding a tuner or a second amplifier simultaneously
- Built-in 9VDC power output to run another pedal directly from the MC406
Where you place it matters: run it early to keep long cable runs from dulling your fuzz or drive, or near the end of the chain to make sure your tuner and amp both get a strong, consistent signal. Either way, it’s a practical, no-nonsense addition that solves real signal-chain problems rather than adding another layer of coloration.
For builders juggling multiple vintage-voiced or low-output pedals, the MXR CAE Buffer is the kind of utility piece that quietly makes everything else on the board sound better.









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