From an exile amp manual:

LIMITED WARRANTY
Exile warrants this product to be free from defects in material and workmanship under normal use for a period of one year from date of original purchase when
purchased from an Authorized Exile Dealer. If the product is labeled B Stock/Refurbished and purchased from an Authorized Exile Dealer, it is warranted for 90
days from date of purchase, regardless of place of installation. Should service be necessary under this warranty for any reason due to manufacturing defect
or malfunction during the warranty period, Exile will replace or repair (at its discretion) the defective merchandise with equivalent merchandise at no charge.
Warranty replacements on B-Stock merchandise may have cosmetic scratches and blemishes. Discontinued products may be replaced with more current
equivalent products. This warranty is valid only for the original purchaser and is not extended to owners of the product subsequent to the original purchaser. Any
applicable implied warranties are limited in duration to a period of the express warranty as provided herein beginning with the date of the original purchase at
retail, and no warranties, whether express or implied, shall apply to this product thereafter. Some states do not allow limitations on implied warranties, therefore
these exclusions may not apply to you. This warranty gives you specific legal rights; however you may have other rights that vary from state to state. This
warranty is only valid within the USA, for warranties outside of the USA consult the appropriate international distributor
From a Wet Sounds amp manual:

LIMITED WARRANTY 17
Length and limits of Warranty
Wet Sounds warrants this product to be free of defects in material or workmanship
for (2) years from the date of purchase. Wet Sounds warranty applies exclusively
to the original purchaser, not transferable and the amplifier must be purchased
from an Authorized Wet Sounds Retailer within the United States. All products
purchased outside of the United States are covered by the Authorized Distributor
or OEM supplier. Any and all warranties not to exclude merchantability or fitness
are limited in the duration to 2 years. This warranty
Kicker marine amp:

ELECTRONICS LIMITED WARRANTY
When purchased from an Authorized KICKER Dealer, KICKER warrants this product to be free from defects in material
and workmanship under normal use for a period of TWO (2) YEARS from date of original purchase with receipt
JL M series marine amps:

U.S.A. Warranty Information - Marine Amplifiers and Electronics

JL Audio Marine Amplifiers and Electronics are warrantied against defects in materials and workmanship for Two (2) Years from purchase date. JL Audio will, at its discretion, repair or replace any products that exhibit defects in materials and/or workmanship during the warranty period.