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Service and Troubleshooting
M&S Systems is committed to producing high quality products for
the home. If you have any questions or problems with your SUM
Subwoofer or if it is not operating properly, contact your installer
or call M&S Systems at 1-800-421-1587 and speak with one of
our technical support specialists.
You may also visit our web site at www.mssystems.com for a
frequently asked questions list that may provide you with quick
assistance with any troubleshooting or service concerns.
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