US Amps 400 and Optimizer!

SoCalBean420
10+ year member

CarAudio.com Elite
1,317
2
Cali
Item(s) for Sale: Old school at it's best. US Amps 400 with matching Optimizer.

Item(s) Description/Condition: Used, 100%.

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 voltage regulator that keeps the voltage steady at 14.4v or 16v even with car off.

Price: $750 + shipping.

Shipping and Miscellaneous Item Information:

Item Pictures:

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Additinally, no need to reference "max" anything as those specs are useless. Most of know how to look at specs for a given speaker, amp, HU, etc...
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Hello all. Used to come on these forum quite a bit. I used to compete in IASCA MECA etc. and placed 1st 2x with this setup. Anyway this is my baby...
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You don't need two amps. The speakers come with crossovers to help protect the tweeters.
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Perhaps you changed something without mentioning it here? Maybe a loose turn on line? I dunno man...but we'll take it. Hopefully it keeps working. 👍
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No doubt, was just thinking of that when i was mulling getting one of these. https://blackbrickaudio.com/products/100-watt-4-channel-amplifier
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SoCalBean420

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