This Pedal is currently available.
The Micro Amp + upgrades a classic boost circuit with EQ controls, low-noise op-amps, and true bypass switching to take this powerful boost box to the next level.
MXR Micro Amp$138.48
MXR Micro Amp$105.99
MXR Micro Amp+ Effects Pedal$149.99
MXR MICRO AMP M133 FXPEDL$105.99
MXR Micro Amp +$119
These merchants probably sell this module. Huh?
MXR Micro Amp Plus - CSP233 Custom Shop