PROX4.1 Bass Reconstruction Processor

This product works great . If you have alternator whine or anything like it this product will make it more pronounced so know that going in . This is absolutely great for the price soundstream is known for winning all sort of awards for there processor and crossovers I have been very surprised by there stuff so far I am 25 yes in car audio I run about 8000rms system hdx12 s sound qubed and 8000.1 vulcan stetsom the subs and amp both have surprised me with how great they are the stetsom is a beast and you must have a ho alt and battery bank to keep up with it but well worth the investment if you want to shake cars 10 ahead of yours buy this crossover and a stetsom amp wowwwww!!!!!!!!

I spent $2k on a Pioneer HU/Amps and Cerwin Vega speakers. It sounded "hollow/tinny". I added this to separate all of the freqs. Can still use the HU to make adjustments instead of going to the PROX4.1. So, if you have separated highs, mids, and lows, this is HIGHLY recommended.

Blue light is really bright. Idk but the buttons seem a little janky off an on mono stereo. Bass boost. Think one side not working properly on the low rear speaker. Still trying to figure it out.

this is a nice old school analog x-over. i realize that in today's age of DSP wizardry this technology is on its way out and almost dinosaur status What can I say.... I'm a 50 YR old former car audio installer/store manager (first career after high school) turned professional pilot. this analog gear is my speed. i like the fact you tune it with a screwdriver rather than a keyboard. today I am building myself a high end system as I would have built , when I was a kid, if I had the money. I like this X-over for its simplicity and honesty. you look at it and it makes sense. when the system is all the way done i will comment on the sound quality of the unit but right now things are looking good. The act of building the system is a joyful trip down memory lane for this old pilot who spent many years building other people cool stereos when he was a young man.

I purchased the Soundstream PROX4.1 Bass Reconstruction Processor a few months ago and have been blown away by the sound quality and hard-hitting sub-output. It's an incredible product that has transformed my car's audio system. However, I have noticed one issue with the Mid-High right output, which produces a consistent hissing sound (just started). It doesn't impact the overall sound quality, but it is noticeable when the volume is turned up. I've contacted Soundstream customer support about the issue and am hopeful they will be able to resolve it. Despite this one issue, I still highly recommend the Soundstream PROX4.1 for anyone looking to upgrade their car audio system. The amazing sound and hard-hitting sub-output are truly impressive. Overall, I am very satisfied with my purchase and look forward to continuing to enjoy the incredible sound quality of this product. Hope this helps!

Looks good on paper with plenty of tuning capabilities, but thats where it ends. I had 2 systems to install in my cars. I ended up ordering 3 of these thinking that i must have recieved a bad one. But they all introduced noise into the system. One was a little better than the rest. Once the car starts there is lots of noise. Definitely not a ground loop issue. I tried additional shielding using aluminum foil....nope. Then copper foil .....nope. Then some lead flashing....nope. I wish whese would work. When removed from system the noise is gone. Guess its back to the drawing board to find another product.

It's actually a 4 way crossover. You can't consider a full range output next to the input a crossover point. Other than that, if you know what your doing and looking for some decent mid-bass and overall separation this works pretty good for the price. I'm thinking about buying another one for a friend.

It's ok on a budget, but it's not really what I needed. I will purchase a more reliable product.