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Problem Solutions
Amplifier won’t turn on Master power switch turned off (No power light LED).
Turn on Master Power Switch.
Amplifier turns on, but no audio Input plugs not connected to proper jack or are loose.
from one or more channels Check input connections.
No audio from one or more Speakers are not connected properly. Check speaker
Channels connections at amp and speaker.
Audio levels differ from sources Improper settings or output levels from source device.
Check the settings on your preamp, processor or
controller. Also verify gain settings on the source
inputs on the GSZ44 rear panel.
Audio plays and then cuts off Amplifier may be shorted. Check speaker connections
for short-circuit at amp and speaker.
Care, maintenance, and cleaning
When the GSZ44 amp becomes dirty, wipe it with a clean, dry, soft cloth. If necessary, first
wipe the surface with a slightly dampened soft cloth with mild soapy water, then with a fresh
cloth dampened with clean water. Wipe dry immediately with a dry cloth. NEVER use benzene,
thinner, alcohol, or any other volatile cleaning agent. Do not use abrasive cleaners, as they
will damage the finish of the metal parts. Avoid spraying insecticide, waxes, polishing agents,
or any aerosol product near the GSZ44.
Limited Warranty Knoll Systems, Inc. (“Knoll”) warrants that each GSZ44 and MR40 (“the
Product”) sold hereunder will conform to and function in accordance with the written
specifications of Knoll. Said limited warranty shall apply only to the first person or entity that
purchases the Product for personal or business use and not for the purpose of distribution or
resale. Said warranty shall continue for a period of three years from the date of such
purchase. Knoll does not warrant that the Product will meet the specific requirements of the
first person or entity that purchases the Product for personal or business use. Knoll’s liability
for the breach of the foregoing limited warranty is limited to the repair or replacement of the
Product or refund of the purchase price of the Product, at Knoll’s sole option. Replacement
Product may be re-furbished in “like-new” condition, at Knoll’s sole discretion. To exercise the
Purchaser’s rights under the foregoing warranty, the Product must be returned at the
Purchaser’s sole cost and expense, to Knoll or to any authorized Knoll service center provided,
and the Product must be accompanied by a written letter explaining the problem and which
includes (i) proof of date of purchase; (ii) the dealer’s name; and (iii) the model and serial
number of the Product. When sending your unit in for repair, please ship your unit in its
original packing material or a Knoll approved ATA Shipping Case, or have a professional
packaging company pack the unit. Please insure your shipment for its full value. A return
authorization number, issued by the Knoll customer service department, must also be clearly
displayed on the outside of the shipping carton containing the Product.
Note: Remanufactured Products are exempt from the foregoing Limited Warranty. Please refer
to the Remanufactured Product Warranty for applicable warranty information.
WARRANTY LIMITATION AND EXCLUSION Knoll shall have no further obligation under the
foregoing limited warranty if the Product has been damaged due to abuse, misuse, neglect,
accident, unusual physical or electrical stress, unauthorized modifications, tampering,
alterations, or service other than by Knoll or its authorized agents, causes other than from
ordinary use or failure to properly use the Product in the application for which said Product is
intended.