AUDIOPHONICS HC TRIGGER SWITCH MKII Home Cinema Power Trigger Symmetrizer / Desymmetrizer - reviews - There is 1 review.

Quick and Auto switch No noise from Symmetrizer
At first, I am only aiming to get the auto/trigger signal function, not expecting the Symmetrizer is an upgrade from no brand aliexpress Symmetrizer.
The device build is great, I did not try the audio sensing mode but only RCA trigger from AV amp.
The switch is so instant without any pops or noise when switching.
I have not encounter any distortion or strange noise from the Symmetrizer function from this device( I notice some noise with aliexpress Symmetrizer). When comparing to what I used before ( actually 2 different Symmetrizers and both from aliexpress) the noise floor is so much more lower on audiophonics. Excellent job from audiophonics to release such perfect device.
If you are going to merge a Hifi system ( XLR output ). and another system with RCA Out to a XLR Poweramp with auto signal switching, this will be the device you are looking for!