JBL BP1200.1 Power Series

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JBL engineers must be gluttons for praise. After you connect their top-of-the-line Power Series BP1200.1 mono subwoofer amp to your car's system, you'll be singing their praises too.

This amp will comfortably power up to four 4-ohm subs at a mind-blowing 1200 watts. That 1-ohm stability is achieved with JBL's revolutionary switching technology, which means the amp runs cooler on less power than conventional circuit designs would allow.

A variable low-pass crossover and bass boost give you extra control over this mono mammoth. And the "Common Sense" circuitry turns on the amp whenever it detects an input signal, eliminating the need to connect a remote lead. Do I hear a hallelujah?

  • Power Handling (JBL does not specify peak power capabilities of this amplifier):
    • 1200W RMS x 1 @ 2 Ohms

    • 600W RMS x 1 @ 4 ohms

  • 1 Ohm Stable (Can Push Four 4 Ohm subs wired in parallel)

  • Frequency Response: 10-320 Hz

  • Variable Low-Pass Electronic Crossover: 32-320 Hz, 12 dB/octave slope (non-defeatable)

  • Variable Bass Boost (Up to 6dB @ 50Hz)

  • "Common-Sense" feature automatically turns on amp when it senses signal through the speaker-level inputs

  • "Universal Interface" includes four preamp and four speaker-level inputs for convenient hook-up with a variety of head units

  • Amplifier uses three 40-amp fuses, so its fuse rating (120 Amps total) exceeds that of typical 4 gauge wiring kits.  Installations accessories NEEDED (but not included in amplifier purchase) are:

    • 1 ANL wafer- fuse holder capable of accepting 4 gauge wire

    • One 150 amp ANL wafer fuse

    • 2 power rings for 4 gauge cable

    • 4 gauge power cable (to connect the battery to a fuse holder and the fuse holder to the amplifier)

    • 4 gauge ground cable 

    • Remote turn-on cable (speaker wire can be used as remote turn-on cable)

    • 1 stereo RCA patch cable

    • Speaker wire

  • S/N Ratio: 90 dB

  • 14-13/16"L x 10-13/16"W x 2-11/16"H

  • 1-year SonicElectronix.com warranty


Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

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Average Attribution Rating



JBL BP 1200.1

March 27, 2013

I 100% recommend this product. An absolute beast. I have it running off of a Kinetic hc2000 on 0awg wire pushing a Fi BL 18 and its a monster... Never disappoints. 8awg speaker outputs is nice too

7 of 9 found this helpful

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JBL BP1200.1 Power Series

  • Harman International: The Pursuit of Great Sound
  • How To Install an Amplifier: Car Amplifier Basics Part 2

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JBL BP1200.1 Power Series


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