Kanspea 3" or 4"

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Use standard 19 volt laptop brick power supply. $8 variety on Amazon if you don't already have one.
Like this: Amazon.com : Laptop AC Adapter/Power Supply/Charger+US Power Cord for Toshiba Satellite : Laptop Computer Chargers And Adapters : Computers & Accessories

That laptop brick only puts out 75 watts. Wouldn't you want something a whole lot more powerful for an amp that can put out 200 watts total? I know you don't need a lot of power for the fullrangers, but it seems to me that the sub channel would be seriously compromised with that PS.
 
Most listening of music program with full range drivers even with subs is at 8 watts per channel and maybe 15 on the sub. Transients are handled by reserve on capacitors. I agree if you want to power a room at continuous sine wave testing or PA levels at 200 watts you will need something bigger like a 10 amp SMPS. I don't think this amp is designed for continuous use at drive levels like a PA amp. It will work fine for average music listening.
 
There is an amp made by Breeze Audio on Aliexpress that has correct adjustable XO freq. I think the YJ one is mislabeled and I am double checking with manufacturer to see if Treble Knob is indeed XO Freq knob as specs say freq is adjustable. Get the Breeze to be sure.



I replied above with this but maybe it got missed


I have not been able to find the breeze 2.1 amp anywhere. I looked high and low on aliexpress, web searches, etc and I can't find it. I only find the YJHIFI

Dave111 in another thread apparently found it, but I haven't been able to.
 
With somewhere around 140hrs of playing time on the 3" Kanspea kit (about 50 of those listening) my thoughts on my original question.

4" - if I had to do it over.

But who's to say without hearing them both which I would have liked better. I may try the 4" kit, but i'm also considering putting the ff85wk in a uFonken box as a next step.
 
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