As I posted on the other thread :
Bought one Fosi LC30 switch with VU-meters from Audiophonics. Seems to work fine but there are some reasons you might not want it.
When turned off, it automatically goes to input amp B and output speakers 2. You can keep using it when turned off that way but only in this configuration.
It does however remember the last inputs/outputs when turning it on. (you don't need power to use input B output 2, for all other configurations you need to power it on)
The VU meters are not buffered! Even turned off, VU meters keep on moving. One would think this is fine, but this means it does interfere in the signal path. It probably does not have a big impact but it might induce some distortion.
On the positive side, the remote did not interfere with my Topping D70s DAC.
The sensitivity of the meters actually is 250-300 watt-ish. That means you won't see much movement in normal use, unless you play loud or need a lot of power.
The sensitivigy-knob should be at max to give a more or less correct reading. Any lower setting and you won't see any reading at all. So the sensitivity knob is rather pointless.
Binding posts are ok but the holes are vertically. Diagonal would have been more easy.
So if you need a speaker/amp switch that can handle high power, it seems usable, but I would not use it in a critical listening environment.
If you want dancing VU-meters without using more than 25 watts, forget it.
Suggestions for improving would include a buffered stage that powers the meters, so any possible distortion (if any) caused by the components would be limited to a minimum and give the possibility for a better match with lower power setups by adding a "sensitivity switch" that eg can swap between the 250 Watt and eg a 25 Watt-scale. The extra cost would certainly be acceptable for such an improvement.
