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MTX Manuals & User Guides

MTX Audio is an American manufacturer of high-performance sound equipment, specializing in car audio subwoofers, amplifiers, marine audio, and home speakers.

Tip: include the full model number printed on your MTX label for the best match.

MTX Support

Official site: https://www.mtx.com/
General support: https://www.mtx.com/mtx-support
Warranty & registration: Warranty info · Register a product
Support phone: +1 800-225-5689
Support email: mtx@mtx.com
Contact form: Contact manufacturer support

MTX manuals

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MTX Audio 3500 Series Subwoofer User Manual

3512-02 • July 7, 2025

Comprehensive user manual for the MTX Audio 3500 Series Subwoofer (Model 3512-02), covering installation, operation, maintenance, troubleshooting, and specifications.