MXR MX-133 Micro Amp 1979 - 1984 - White. Absolutely Mint fully working condition, possibly never out of the box. Complete with original box, manual, warranty card and sticker.

This will be packaged protected and shipped tracked and insured usually the next working day. If your region is not listed please contact me for a shipping quote.

For customers in the USA an estimated amount has been added to the Shipping amount to cover Delivery Duty Paid. If this has been estimated incorrectly at shipping I will contact you to provide you with a refund or ask for an additional payment depending on the difference.

a classic, ultra-simple analog boost pedal featuring a single gain knob, a heavy-duty metal enclosure, and a block logo design. It delivers up to +26dB of clean signal boost to push tube amp preamps into natural overdrive or lift lead solo volumes.

Vintage Design & Features

• Single Control: One prominent "Gain" knob to adjust total output volume and signal push.
• No-Nonsense Build: Housed in a tough, compact metal chassis made in Rochester, New York.
• Power & Switching: Early 70s/80s units relied strictly on a 9-volt battery via an unscrewed backplate, lacking an LED indicator or external DC power jack found on later revisions