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Problematic connection ifi-audio Zen Blue and Drop THX AAA 789

Schipper

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Joined
Nov 28, 2021
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My first time here. I have recently acquired a Drop THX AAA 789 headphone amplifier and an ifi-audio zen blue DAC.

It works just fine when I connect the two using RCA cables, but when I try to connect the Zen Blue 4.4 balanced output to the Drop's XLR inputs using Youkamoo cable there is no signal.

The Bluetooth source (picked up by the Zen Blue) is my iPhone, and I'm using Bose speakers for the output.

I'm a bit lost in how to do this.

Bill
 

staticV3

Addicted to Fun and Learning
Joined
Aug 29, 2019
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My first time here. I have recently acquired a Drop THX AAA 789 headphone amplifier and an ifi-audio zen blue DAC.

It works just fine when I connect the two using RCA cables, but when I try to connect the Zen Blue 4.4 balanced output to the Drop's XLR inputs using Youkamoo cable there is no signal.

The Bluetooth source (picked up by the Zen Blue) is my iPhone, and I'm using Bose speakers for the output.

I'm a bit lost in how to do this.

Bill
Sounds like either your adapter has a faulty pinout, or the ifi Zen Blue's 4.4mm balanced output is actually a single-ended output in disguise.
Both can be checked with a multimeter.
 
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