
The DTI (Dual Transformer/Isolater) is a high-quality, totally passive audio interface that uses a pair of high-performance transformers to totally separate input and output signal grounds, thereby isolating two systems and reducing hum and ground-loop noise. The DTI's audio transformers have an extremely flat and wide frequency response and can handle high signal levels while maintaining an isolated balanced output. 
Our Price: $50
List Price: $70
Manufacturer: ART
Categories: Hum Eliminators
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Feature:
It can handle 3 types of hardware on input and on output, and they can be mixed and matched.
Quality:
It's pretty sturdy, although I wouldn't want to test that with a long drop onto concrete or marble.
Value:
AT the sale price, great! At the usual price, I'd give it a seven out of ten.
Desirability:
It's just a transformer, for heaven's sake! It won't get you laid.
Sound:
How much can one say about an isolating transformer? It works, without introducing noise, and it was very reasonably priced. It cured the ground loop on my Korean Washburn HB-35,
Ease of Use:
Duh. Just plug and unplug the jacks. Either turn down the vol when you do, or use an impulse suppressor.
Support:
Not Applicable
Overall:
The only thing I'd change would be to improve its physical stability. It's tiny footprint means that it overbalances easily, and falls off amps, tables, etc.; I usually just tape it in place.
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