API 5500 Stereo/Dual Mono 550 EQs with Range Switch

API 5500 Stereo/Dual Mono 550 EQs with Range Switch

Marsoni

M251S

$2899.00

Get it in 3 business days with 1 day shipping. Friday, May 29

API 5500 Stereo/Dual Mono 550 EQs with Range SwitchThere are ergonomic limitations when adjusting EQ on a console due to lack of space on the strip. The API 5500 has nice big pots, an uncluttered interface, and of course that API soul which comes standard! The beginnings of the 5500 circuit can be traced back to the original 550 equalizer designed by Saul Walker, the founder of Automated Processes Inc. The 550 was designed as a console equalizer, which uses an unbalanced input due to the architecture

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We offer a 30-day return/exchange service after receiving.
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This off-brand filter was $10 cheaper than the local auto store, nearly $20 cheaper than the dealership, and meets the original OEM requirements. My husband is an ASE certified master technician and does all of our car maintenance and repair work himself and purchasing this filter rather than getting the filter from the dealership or the local auto store saved us a good bit of money and it is the same quality. Just make sure that the OEM number is correct for your vehicle and you have nothing to worry about.

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Reviewed in the United States on November 14, 2025

Verified Purchase

Chelsea, US

★★★★★ 5

Easy to install

Very easy to install this engine filter and checking the compatibility with my car was super easy too. I took me about 5 minutes to look up, learn, and install this. Loved that I saved money by installing it myself instead of getting overcharged but the shop. Works for a 2017 Honda Fit.

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Reviewed in the United States on September 12, 2025