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OWNER'S MANUAL
XTHUNDER AMPLIFIERS

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Summary of Contents for MTX XThunder 125.4

  • Page 1 All manuals and user guides at all-guides.com OWNER’S MANUAL XTHUNDER AMPLIFIERS...
  • Page 2: Control Functions

    Thank you for purchasing this MTX Audio Hi-Performance amplifier. Proper installation matched with MTX speakers and subwoofers provide superior sound and performance for endless hours of enjoyment whether you are waking the neighbors or just out enjoying your tunes. Congratulations...
  • Page 3: Panel Layout

    All manuals and user guides at all-guides.com 10. High Pass Filter (Full Range) - This controls the frequencies played for the front and rear channels. Low frequencies can be cut off from 40Hz to 250Hz. 11. X-Over Mode and Frequency Control (Full Range) - These controls allow control over the frequencies played for the rear channels.
  • Page 4 All manuals and user guides at all-guides.com PANEL LAYOUT XTHUNDER800.5 5-Channel Amplifier Panel Layout – L CH – R CH + +12V FUSE FRONT SPEAKER OUTPUT REAR POWER INPUT – – – R CH + L CH XTHUNDER800.5 BRIDGE FRONT REAR FRONT REAR...
  • Page 5: Installation And Mounting

    (GND) terminal on the MTX amplifier. 6. Connect a Remote Turn-On wire from the source unit to the MTX amplifier’s (REM) terminal. If the source unit does not have a dedicated Remote Turn-On lead, you may connect to the source unit’s Power Antenna lead.
  • Page 6: Installation

    All manuals and user guides at all-guides.com INSTALLATION For proper perfomance and safety, MTX recommends installing an inline fuse per the owner’s manual instructions according to the following. XTHUNDER1500.1 160A Fuse XTHUNDER1200.1 120A Fuse XTHUNDER800.5 80A Fuse XTHUNDER125.4 80A Fuse...
  • Page 7: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS Model XTHUNDER1500.1 XTHUNDER1200.1 XTHUNDER800.5 XTHUNDER125.4 1 x 1500 W RMS 1 x 1200 W RMS 1 x 400 W RMS Description 4 x 125 W RMS Mono Mono 4 x 125 W RMS RMS Power at 14.4V 1Ω...
  • Page 8 All manuals and user guides at all-guides.com WIRING DIAGRAM Mono Block Amplifier Wiring (Single Subwoofer Load) +12V – FUSE SPEAKER OUTPUT XTHUNDER1500.1 POWER INPUT Remote Signal FUSE Source Unit 1 Ohm Minimum RCA Signal LINE OUT LINE INPUT REMOTE TURN ON INPUT L CH L CH...
  • Page 9 All manuals and user guides at all-guides.com WIRING DIAGRAM Mono Block Amplifier Wiring (Multi-Subwoofer Load) +12V – FUSE SPEAKER OUTPUT XTHUNDER1500.1 POWER INPUT Remote Signal FUSE Source Unit 2 Ohm Minimum RCA Signal 2 Ohm Minimum LINE OUT LINE INPUT REMOTE TURN ON INPUT L CH...
  • Page 10 All manuals and user guides at all-guides.com WIRING DIAGRAM XTHUNDER125.4 Amplifier Wiring (4-Channel Mode) Crossover Crossover – – R CH + +12V L CH FUSE FRONT SPEAKER OUTPUT REAR POWER INPUT – L CH + – R CH + XTHUNDER125.4 BRIDGE FUSE Crossover...
  • Page 11 All manuals and user guides at all-guides.com WIRING DIAGRAM XTHUNDER125.4 Amplifier Wiring (3-Channel Mode) Crossover Crossover – – R CH + +12V L CH FUSE FRONT SPEAKER OUTPUT REAR POWER INPUT – L CH + – R CH + XTHUNDER125.4 BRIDGE FUSE Remote Signal...
  • Page 12 All manuals and user guides at all-guides.com WIRING DIAGRAM XTHUNDER800.5 Amplifier Wiring (5-Channel Mode) Crossover Crossover – – R CH + +12V L CH FUSE FRONT SPEAKER OUTPUT REAR POWER INPUT – – – R CH + L CH XTHUNDER800.5 BRIDGE FUSE Crossover...

This manual is also suitable for:

Xthunder 800.5Xthunder 1200.1

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