This is a product that was unique in it's own right when it first came out. Since then.......several companies have come out with various products resembling the Clean Sweep.....but few that have matched it. I have been installing these for several years now. Most recently a 2008 corvette was in our shop for an exspansive system utilizing the factory radio. I was able to obtain the line out from the factory radio and run it into the Clean Sweep device. The Clean Sweeps automatic equalization works effectively and quickly to restore the signal to as close to an aftermarket device as possible. Notice I said quickly as well as effectively.....most other systems that are spin offs from the clean sweep take a long time to make the corrections that the clean sweep does in 10-15 seconds. To callibrate the unit.....you press one button and walk away...its that easy.
The unit is small enough to effectively mount under seats on in kick panel areas......maybe even behind the occassional dash. There are inputs for a sat radio or ipod. The input bypasses the eq correction....because it is not needed at that point. The single control for volume is nice.......with a built in push toggle to jump between the headunit and the aux input. An LED mounted on your dash area tells you what mode you in.
Things that i would like to see on this unit are things like sub volume control...and steering wheel interface. JL Audio was born and bred as a subwoofer company.....why only 2 pairs of preouts then? No sub volume control at all? As for the steering wheel interface......that would be a great feature to tie your factory steering wheel controls in with Clean Sweep. Both of these options are available on the Alpine unit PXE H650. The Clean Sweep does offer a bit of a fix for the subwoofer volume control in the form of a line driver/pigtail for the main unit. It takes the front/rear output and branches it into a line driver. Then it seperates it into a sub output plus the original feed. To be honest with you I have not tried this new adapter....so I would love some feed back from anyone that has. Would still like to see the sub volume control built in.....instead of an exterior splitter with a line driver.
The options on the Clean sweep are the summing device and a source expander. I have used the summing device which works effectively It has an additional cost of $119.99. The Alpine unit utilizes a summing device built in.....but the core cost of the Alpine is $100 more. Both units lose the capability of fader control when using there summing devices. The summing devices are used when the factory amp had built in crossovers....therefore you would need to take 2-3 outputs and merge them back to one. The channel expander does just what it says. At $119 it takes the single AUX input and makes it 3 aux inputs. Sounds neat......I have not used one yet so I wouldn't mind a little feedback on this piece as well.
The CL441DSP Clean Sweep sells for $299.99. A bargain if you have a vehicle that requires the retention of the factory radio.
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