Thank you so much for taking the time to view this item among our many products☆

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[Product Description]

■MXR M133 Microamp Can also be used as a preamp booster

■Features

We’ve received a shipment of the

M133 Micro Amp, MXR’s iconic, go-to booster.

Despite its simple single-knob design,

this legendary unit naturally pushes your sound forward

without compromising your guitar’s natural character.

It performs exceptionally well not only as a clean booster,

but also when used to drive an amp or distortion pedal.

Its thick boost with minimal loss of tone is

one of the reasons it has continued to be supported by many guitarists for years.

It is a versatile model that is easy to use regardless of genre.

Its simple operation is another major appeal,

and its intuitive handling is a hallmark of MXR.

Having one on your effects board is incredibly useful.

It’s highly recommended not only for boosting volume during solos,

but also for those who want to add amp-like presence and clarity to their tone.

The unit has no noticeable scratches and is in excellent overall condition.

It appears to be in very good condition for a used item.

Basic functionality has been verified, and there are no issues at this time.

Basic functionality has been verified, and there are no issues at this time.

It is ready to use immediately upon arrival.

The original box is included,

making it an attractive item for collectors and those who value the sense of ownership.

In recent years, there has been a resurgence in demand for classic boosters,

and the Micro Amp has maintained particularly steady popularity.

If you’ve been looking for one, please consider this opportunity.

■Specifications

Type:

Clean Booster

Preamp

Model Number:

M133

Model Name:

Micro Amp

Controls:

GAIN

Boost Level:

Max +26dB

Bypass Type:

Hardwire Bypass

Input Jack:

INPUT

Output Jack:

OUTPUT

Power Supply:

9V Battery (006P)

Compatible with 9V DC Adapter

Current Consumption:

2.5mA

Input Impedance:

1MΩ

Output Impedance:

470Ω

Dimensions:

Width: Approx. 61mm

Depth: Approx. 110mm

Height: Approx. 53mm

Weight:

Approx. 350g

Enclosure:

Compact metal body

■Appearance

No noticeable scratches on the unit; overall in good condition.

■Cleaning Details

・Wiped down entire surface with alcohol wipes

■Functionality Check

Basic functionality checked. No issues found.

■Included Items

Unit, original box

-------- -----------------------About the Transaction---------------------------------------

【Important Notes】

*Please be sure to read this

■If you have any questions, please use the inquiry section.

■This is a used item. Please carefully review all photos and the description before purchasing.

■Please review the notes and policies regarding returns at the bottom of this listing.

■We strive to respond promptly, but please note that there may be delays in communication or shipping.

【Shipping Information】

*Shipping will be via EMS, UGX, or FedEx. (For shipments within Japan, we will use Yamato Transport or Sagawa Express.)

*Depending on your country of residence, we may be unable to ship due to the item exceeding size limits,

so we would appreciate it if you could send us a message to confirm before purchasing.

*Please note that we are closed on Wednesdays.

(Please note that we cannot ship on Wednesdays.)

・Delivery times vary by country, but items typically arrive within 7–10 days after shipment is completed.

【About Packaging】

Regardless of whether the original box, hard case, or soft case is included, we will pack the item carefully to ensure it arrives undamaged.

(Unpacking may take a little time, so we appreciate your understanding.)

Please rest assured that shipping insurance is included.

【Please Be Sure to Check the Following】

*As this is a used item, there is only one unit in stock.

*Please note that there may be scratches or dents from use that are difficult to see in the photos.

*Since this item is listed on multiple marketplaces, there may be a time lag in sales and inventory status.

Due to the factors mentioned above, the item may already be sold out by the time you place your order.

All of our products have been tested and adjusted. If we are unable to verify functionality, we will

mention this in the description. All photos are of the actual item, so please use them to get an idea of its condition.

As a used item, this product may have scratches and signs of wear. We cannot accept returns based on dents, impact marks, scratches, or cosmetic wear that are already noted in the photos or product description. Returns are only accepted within one week of delivery if there are defects not mentioned in the description. If shipping damage is suspected, you must confirm with the shipping carrier and file an insurance claim—please be sure to keep the packaging materials and product in their arrival condition (see policy details). Please retain all packing materials and documentation for potential insurance claims.

[Important Notes Regarding Voltage]

The voltage in Japan is 100V. This differs from most other countries.

Please check the voltage in your country. If the voltage differs, before entering your country,

please note that you may need an adapter to convert the voltage locally.

*Important Notes

Depending on your country of residence and the product price, customs duties

may apply in addition to the product price and shipping costs.

We apologize for the inconvenience, but we would appreciate it if you could

check the import duties and other costs before purchasing.

*Since Italy is particularly likely to incur additional duties, please be sure to

check this before purchasing.

If you send us a message, we will look into it to the best of our ability,

so please feel free to contact us if you have any concerns.

We apologize for the inconvenience and thank you for your cooperation.

Please check our store policy for details.