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US AMPS 400 & Optimizer

  • Price $750.00


Was unable to update my old thread so started a new one with lots of photos. 


200 rms x 2 @ 4 ohms

400 rms x 2 @ 2 ohms

600 rms x 2 @ 1 ohm

1200 rms x 1 @ 2 ohms

thd @ 4 ohms-.006%

s/n ratio-115db

damping factor-1000


rated at 12.5v and very underrated, actual output is over 2k. the optimizer is a dc to dc converter that keeps the voltage steady at 14.4v or 16v even with engine off, ignition on.




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