With your ear close to the speaker gently push on it. If it sounds scratchy then replace the speaker or consult an authorized dealer. Carefully touch the amp for temperature. If it is extremely hot then the amp is in thermal protection and needs to cool down. If thermal protection continues to be a problem, see an authorized dealer or call the technical support number below. 4. No sound from one side: Check the speaker connections, input connections, balance control on the source unit, and then

It is highly recommended that installation be carried out by an authorized MTX dealer. MODEL # FUSE MODEL # FUSE TC6004 75A TC8001 90A TC4004 60A TC6001 60A TC4002 50A TC4001 40A TC3002 40A TC3001 30A TC2002 25A 2. Connect the amplifier remote turn-on Connect the remote input terminal of the amplifi er to the remote output terminal of the source unit (only if using RCA inputs) to establish amplifi er remote on/off through the power on/off of the source unit. If a source unit is being used withou

With this setting, the Remote Gain can directly control the amplifi er playback level. 3. When the full range is selected (FR), the amplifi er is used as a full range amplifi er. CROSSOVER FREQUENCY SELECTION (FREQ) Both the high-pass and the low-pass section offer continuously adjustable crossover frequencies between 40Hz and 350Hz. Adjust the setting according to your speaker component specifi cation or to your particular preference. BASS BOOST CONTROl (BASS BOOST) Select a boost level between

on your purchase of a new Class D monoblock MTX Audio amplifi er! MTX is one of the inventors of mobile audio, having designed the fi rst-ever in-vehicle enclosed subwoofer system in the early 80s. Our award-winning heritage speaks for itself, 14 Innovations Design and Engineering Awards, more than 80 AutoSound Grand Prix Product of the Year Awards, and more than 500 World Records or 1st Place Finishes in Sound Competitions. Also, MTX is the fi rst USA audio company to be awarded ISO9001 quality

on your purchase of a new MTX Audio Thunder Amplifier! MTX has long been the industry leader in mobile enclosures and speakers, and we have reached new heights with the development of the new MTX Thunder amplifiers. You couldn’t have chosen a more reliable, powerful, or better performing amplifier. In fact, we back up every Thunder amplifier with a three-year warranty if installed by an authorized MTX Audio retailer (see the warranty statement). Your new MTX Thunder amplifier was designed, built

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Be sure to lay the signal wire away from all power cables and vehicle computers. Use high quality twisted pair interconnect cables to decrease the possibility of radiated noise entering the system. • Using RCA Connections: If the source unit has RCA outputs, simply attach a signal cable from the source unit to the amp’s RCA input. This will provide signal to the amp. • Using Speaker Level Connections: If the source unit does not have RCA outputs, a high level signal can be used instead by takin

If the specification is not available, please follow the instructions listed below. X1 POSITION: 100mV–1V (Typically for RCA Input) • Setting for Factory (OEM) Source Units: To check the amount of voltage that is present from the source unit, take a multi meter, or a volt/ohm meter, on the A/C setting, (range from 100mV up to 10 volts) attach the positive and negative leads directly to any exposed speaker. It will not matter if the polarity is correct, it will read the same amount of voltage. X

Any deviation from the recommended connection procedures may cause serious damage to the amplifier, speakers, and/or vehicle electrical system. Please double check the connections before turning the system on. Installation Mounting Place your Thunder amplifier at the predetermined mounting location. Use a felt pen to mark the exact position of the mounting holes on the mounting surface. Set the amplifier aside. With a sharp, precise blade cut small circles in the carpet and padding around the fo