The following explains the warranty for MB Quart products, eligible for warranty that were purchased within the United States. If you have a product that was purchased outside the USA, you must return the amplifier to the dealer or distributor where the product was purchased.

MB Quart products are warranted by Maxxsonics USA.

Maxxsonics USA Inc. warrants to the original consumer purchaser the product to be free from defects in material and workmanship for 12 months from date of purchase.

All other parts and accessories of the system are warranted to be free from defects in material and workmanship for 12 months from date of purchase. Maxxsonics will repair or replace at its option and free of charge during the warranty period, any system component that proves defective in materials and workmanship under normal installation, use and service, provided that the product is returned to the authorized Maxxsonics dealer from where it was purchased to ensure that the problem you are experiencing is not related to the installation or misuse of the product.

When contacting Maxxsonics USA, Inc. for warranty we will need the following to process your request:

  • Legible proof of purchase of the product. This includes a copy of the original receipt showing a purchase date including the store name and location.
  • Item purchased
  • Valid serial number

What is not covered under warranty?

Any damage to the product as a result of misuse, abuse, accident, incorrect wiring, improper installation, alteration of date code or barcode labels/serial number, revolution, fire, earthquake, flood, stolen or any sneaky stuff because someone messed up, repair or alteration outside of our factory or authorized service centers and anything else you have done that you should not have done is not covered.

Buyer Beware:

A product purchased outside of the U.S. does not have warranty through Maxxsonics USA, Inc. You will need to contact your Dealer directly for warranty.

To locate an Authorized Dealer in your area or an Authorized Online Dealer check these links or contact our office by email at info@maxxsonics.com or by phone at 847-540-7700.

If you purchased MB Quart products from any non-authorized source or non-authorized source on the internet or an auction site be advised: we will not honor warranty claims on product purchased.

MB Quart products sold by unauthorized dealers are often one or several of the following:

  • Purchased on a “black” market / counterfeit from other countries and illegally sold back into the US
  • Products stolen from authorized dealers or other sources
  • Product bought as used from auction sites and re-sold as new

We do not warranty installation labor, removal, reinstallation and freight charges; these will be your responsibility. Warranty products damaged as a result of insufficient or improper packing materials are not covered by this limited warranty and such damaged product will be returned “as is” at the expense of the owner.

This warranty is limited to defective parts and specifically excludes any incidental or consequential damages connected therewith.

This warranty is not to be construed as an insurance policy.

*If Maxxsonics USA, Inc. receives your product and determines that it is not a manufacturer’s defect due to any above reasons we will then deny warranty and ship the product back charging you freight.

The Customer’s options in payment for shipping are either credit card or COD. Maxxsonics USA, Inc. will not be responsible for Freight on non-warranty items.