Despite these 4 stars, this did not give me satisfaction. This does not mean that it is of poor quality nearby. Let me explain: In my case, I toslink cables apparently too long (3m) hence definitely a loss of signal or absence of the output of these doublers. The seller has taken me without problem and refunded my purchase. So serious seller recommended. I put 4 stars because I think for lengths, see the establishment of an amplifier toslink, these small doublers must work perfectly.
