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introduction CONGRATULATIONS On Your purchase of a new MTX Thunder Amplifier! MTX has long been the industn/ 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 retailer (see the warrano/ statement on page 33).
Features Unique rubber Insulated Iso-Fe@ (Patent# 5521,792) Nickel-elated. heavv dutv terminal block tvoe connectors Speaker and low level inputs lnout select 2CH / 4CH switch on Thunder4244 functions as a built-in Y connector Color-coded wire harness for speaker-level input installation Smart-EngagerM auto-turn on for easy integration with factory head units Built-in. defeatable18dBloctave HP/LP crossover at 85 Hz Thunder4244 Front channel crossover is a defeatablel8dBloctave.
1. RCA Input Jacks - These RCA input jacks are for use with source units that have RCA or Line Level Outputs. An independent set of jacks are provided on the Thunder4244 for front and rear stereo inputs. A source unit with a minimum level of 200mV is required for proper operation. The use of high quality twisted pair cables is recommended to decrease the possibility of radiated noise entering the system. 2.
Innut Panel Lavout
1. Power Fuse - For your convenience, an ATC type fuse was selected for use in all Thunder Amplifiers. For continued protection, replace this fuse only with the same type and value as was originally provided. Thunder4122 - 20 Amp Thunder4202 - 30 Amp Thunder4244 - 25 Amo x 2 2. Power Terminal -This is the main power input for the amplifier and must be connected directly to the positive terminal of the car battery for the amplifier to operate properly.
Outnut Panel L a v o u t Tii+Sir”=iii4122
Adiustina the Gain Tvmical S n e a k e r Wiring Confiaurations 1. Turn the gain control on the amplifier all the way down, 2. Turn up the volume control on the source unit to approximately 3/4 of maximum. Stereo Amplifier Bridge Mode Application Impedance Requirement 3. Adjust the gain control on the amplifier until audible distortion occurs. 4. Adjust the gain disappears. control down until audible 4 ohm bridge minimum 2 ohm stereo minimum distortion 5.
Troubleshooting Guide Read this if you wanna be a do-it-yourselfer -- or give us a callat I-8WXLLMTX.
Warrantv All MTX Thunder Amplifiers purchased in the USA are guaranteed against defects in material and workmanship for a period of three years from the date purchased by the end user, if the amplifier is installed by an authorized MTX dealer (one year, if installed by the consumer). This warranty is limited to the original retail purchaser of product. MTX disclaims any liability for the other incurred damages resulting from product defects.
l’iiiW~~DE~4244 Amplifier Input Connections Crossover Select Switch I- .-s.
ZiiW~Rf~E~4244 Amplifier Output Connections Stereo Front & Rear Stereo Front -Ground To Metal Of Vehicle Connect to Car Stereo Remote/Power Antenna Turn-On Wire Minimum Wire Size: Disconnect 1 Battery Negative (4 Cable Prior td Installing Amplifier Power: 8 AWG. Ground: 8 AWG. For installation options go to www.mtxaudio.
III ‘I FIRST CLASS STAMP HERE Attn: Warranty Processing Center 4545 E.
