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Before connection:
As with all audio gear, always ensure audio system levels are turned down or equipment turned off before making connections. This will avoid plug-in or turn-on transients from damaging more sensitive components such as tweeters.

Connect ISO-2 to system: 
The ISO-2 has two combination XLR/TRS input connectors, wired to the AES standard pin-1 ground, pin-2 hot (+), pin-3 cold (-).

Balanced or unbalanced output signal can be connected to the input of ISO- 2; the isolated outputs will always be balanced signals.

The balanced output of the ISO-2 is line level, meaning that it should be connected to the line input of a mixing console.

Suggestions about distance cable running:
Unbalanced cables are much more susceptible to noise than their balanced counterparts, keeping unbalanced cables under 8 meters (25’) in length is good practice while balanced cables can easily extend to 100 meters (300’).


The ISO-2 is equipped with output isolation transformers to eliminate hum and buzz caused by stray DC voltage and ground loops.

Computers, CD players and other consumer equipment can be noisy – this is particularly true when incorporating audio with a projector – so isolation transformers can be very useful when combating system noise.

The independent Ground Lift switches on the outputs takes this one step further by lifting pin-1 on the XLRs. Computers are often the source for noise problems in audio systems, so greater care is certainly needed to keep things quiet.

Mô tả


Circuit design
Input connectors2 Balance combo jack
( Pin-2 hot, Pin-3 cold, Pin-1 ground )
Input impedance47KΩ
Max. input level before clipping+26dBv
Output device2 XLR w/balance transformer isolated
Output impedance600Ω nominal, Transformer balance
Output level+26dBv
Frequency Response20Hz to 20KHz +0.2 / 0 dB
Dynamic range>130dB
S/N ratio~ un-weight 20Hz to 20KHz-136dB
T.H.D~ 1KHz, 0dBv output< 0.001%
Ground/Lift switchLift pin-1 on XLR outputs, separate
Reverse switchChannel 2 input
Construction1.6/1.2mm steel cabinet & chassis
Surface finishedDurable powder coating
Dimension(WxDxH)124 x 78 x 46mm
Shipping weight0.6kg
Packing per carton20pcs/13Kgs
Shipping dimension per carton350 x 310 x 207mm


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