MTX JACK HAMMER JH404 Quick Installation

MTX WARRANTY STATEMENT MTX JackHammer amplifiers purchased in the USA from an authorized MTX dealer are guaranteed against defects in material and workmanship for the period of 1 year if installed by an authorized MTX dealer (90 days if by customer). The warranty period begins the day the product is purchased by the end user. This warranty is limited to the original retail purchaser of product. Product found to be defective during that period will be repaired or replaced by MTX at no charge. This warranty is void if it is determined that unauthorized parties have attempted repairs or alterations of any nature. Warranty does not extend to cosmetics or finish. Before presuming a defect is present in the product, be certain that all related equipment and wiring is functioning properly. MTX disclaims any liability for other incurred damages resulting from product defects. Any expenses in the removal and reinstallation of products are not covered by this warranty. MTX’s total liability will not exceed the purchase price of the product. If a defect is present, your authorized MTX dealer may be able to effect repairs. Proof of purchase is required when requesting service, so please retain your sales receipt, and take a moment to register your product online at MTX.com. Also, a Return Authorization number (RA) is required before shipping product back to MTX, call 800-225-5689 or 602-438-4545, for amplifier RAs. Allen Wrench MTX002963 RevC 4/10 NDM588 PROBLEMS, QUESTIONS, CONCERNS, SUGGESTIONS? CALL 1-800-CALLMTX 1 SETTINGS Disconnect Battery Negative (–) Cable Prior to Installing Amplifier (Reconnect after step 3) Connect to Source Unit Remote Turn-on /Power Antenna Wire CONNECT POWER Ground To Metal of Vehicle (Remove Paint From Metal) CONNECT SPEAKER(S) OR SUB(S) Adjust input sensitivity to match source unit GAIN 5V 0.25V Adjust Low Pass crossover frequency LP 5kHz 40Hz Adjust High Pass crossover frequency HP 8kHz 40Hz CONNECT SIGNAL Source Unit OR REMOTE TURN-ON /POWER ANTENNA WIRE Optional sum output to additional amplifier (Do not use with Smart-Engage™ RCA to Line Level Adapters) HP/FULL LP/FULL BANDPASS SUBWOOFER REAR BRIDGED SEPARATES/COAXIAL REAR STEREO OR 3 SUBWOOFER FRONT BRIDGED SEPARATES/COAXIAL FRONT STEREO OR SMART ENGAGE OFF ON Aftermarket Head Unit (Remote turn-on wire connected) OFF ON Factory Head Unit (Remote turn-on wire not connected) 4 AWG 4 AWG 16 AWG –GND +BATT REM + – + – + – + – + – + – + – + – 2

Smart Engage and Active Fan Cooling are registered trademarks of Mitek Corporation. MTX002963 RevC 4/10 NDM588 PROBLEMS, QUESTIONS, CONCERNS, SUGGESTIONS? CALL 1-800-CALLMTX mtx.com JH404 – 400 WATT 4-CHANNEL, JACKHAMMER AMPLIFIER ACTIVE FAN COOLING™ WARNING JACKSTAND™ INSTALLATION Do not block air inlets (top) or outlets (sides) for best performance OR Twist to lock CAUTION: JackStands are designed for stacking a maximum of three tiers of JackHammer Amplifiers and are not intended for installation within the passenger compartment of the vehicle. EBC MOUNTING EBC available separately Mount EBC to the dashboard or within reach 2. 1. Twist to lock EBC ADJUSTMENT EBC available separately Adjust gain to final level that does not cause distortion EBC will now be fully adjustable up or down for best performance 2. 1. AMPLIFIER GAIN SETTINGS EXTERNAL BASS CONTROL SETTINGS Turn Gain to 5V Turn EBC to max NOTE: EBC will adjust the output level of the rear channels only. Low Pass Crossover must be engaged to enable EBC. INDICATORS Power Protect Thermal