Decided to add my review as I'm going to do something fancy with it. I connected the speaker cable to the B-channel output of my receiver. The RCA jacks connect to the Miccus Home RTX via a RCA male-to-male cable, which transmits Bluetooth audio to a Bluetooth speaker/headphone. Basically this is so I can hear a turntable plugged into the phono input of the receiver on my balcony and while using a bluetooth speaker I have channel B selected which brings the wired speakers from channel A into be deactivated in my apartment. Driving the miccus directly from the RCA line level on the receiver will not turn off the wired speakers, which is not ideal as a Bluetooth speaker has latency. All in all I was really lucky plugging this thing in. As a previous reviewer wisely pointed out, this is not a line-level converter. Mikkus actually says in the specs that high level inputs should not be fed into a Bluetooth transmitter and when I plugged this in a few years ago I didn't know what that meant so of course I ignored it. But like I said, I'm lucky because I didn't toast the miccus and it works great. Good thing it's a $35 piece of plastic and not an actual amp I've been messing around with. When I've done this fully, and I plan on doing this when I upgrade my hardware, I'll use a true line-level converter. Still, if you want to send high voltage to RCA, this product works perfectly. Just note that other reviews have mentioned that solid white wire is R+, white with black stripe R-, gray solid L+, gray with black stripe L-, gray RCA jack goes to red RCA plug.
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