MXR Micro Amp M133 2-stars Reviews
Not suitable for acoustic guitar
I bought this unit to increase the level of a harmonic solo on my Takemine Santa Fe. The unit couldn't cope with boosting low volume and only boosted hum and no audible note. It didn't seem to like being connected to my guitar at all so I haven't used it since.
Apart from that, like any MXR boxes I've used in the past it has good build quality and is easy to use. I'm sure it is okay for electric instruments, so I've decided to hang on to it.

Technical Data
- Manufactured by MXR
- Released in 2004
- Average price : $128
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