Samson MLI1 Quick Start Manual Download Page 2

Copyright 2018, Samson Technologies Corp. v2
Samson Technologies Corp. 
278-B Duffy Ave
Hicksville, NY 11801
Phone: 1-800-3-SAMSON (1-800-372-6766)
www.samsontech.com

 If you want to dispose this product, do not mix it with general household 
waste. There is a separate collection system for used electronic products 
in accordance with legislation that requires proper treatment, recovery 
and recycling.

Private household in the 28 member states of the EU, in Switzerland and Norway 
may return their used electronic products free of charge to designated collection 
facilities or to a retailer (if you purchase a similar new one).
For Countries not mentioned above, please contact your local authorities for a 
correct method of disposal.
By doing so you will ensure that your disposed product undergoes the necessary 
treatment, recovery and recycling and thus prevent potential negative effects on the 
environment and human health.

Frequency response 

  10 Hz – 35 kHz (±0.2 dB typical)  up to75 
kHz (-1 dB)

Dynamic range 

>140 dB

Maximum input 

+15 dBu @ 41 Hz for <1% THD+N

Gain 

+0.2 dB

Rejection 50/60 Hz 

126 dB typical

Equivalent input noise 

-115 dBu

Intermodulation distortion 

0.003%

Total harmonic distortion 

0.0006%

Input impedance 

7.7 kΩ

Output impedance 

600 Ω nominal

Ground Lift  

 Disconnects ground from input to output 
connectors. Case is always grounded to 
outputs.

Connectors  

 Input: XLR - 1/4” combo,  
Output: XLR + 1/4” TRS

Chassis Construction 

 Powder coated, 14 gauge steel 

Dimensions (L x W x D) 

 4.33” x 2.13” x 1.8” 
110mm x 54mm x 46mm

Weight  

0.7 lb / 0.32 kg

Note: All specifications are with a 50 Ω balanced source @ 1kHz, -10 dBu 

and 10k load, except as noted. 

At Samson, we are continually improving our products, therefore 

specifications and images are subject to change without notice.

Specifications

Setup

The MLI1 can be quite useful on stage or in the studio as an interface for 
connecting unbalanced audio sources to balanced sources or balanced 
sources to unbalanced sources. The MLI1 can also be used to remove 
hum or buzz caused by ground loops between two line-level devices.

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Having Trouble with your  
MLI1 Passive Isolation Box?
We can help!
CONTACT OUR SUPPORT TEAM:  
[email protected]
Our experts can help you resolve 
any issues you may be having.

• 

Turn the volume controls of the audio system all the way down.

• 

Connect the audio source to XLR - 1/4” combo INPUT jack. 

• 

Connect the OUTPUT to the input of an audio device using the 1/4” 
or XLR connections.  

• 

Raise the level of the audio system to the appropriate level. 

• 

If you hear a hum or buzz set the GROUND LIFT switch to the LIFT 
position. 

Note: Inputs and outputs can be balanced or unbalanced. The MLI-1 

can be used to convert unbalanced to balanced signals in either 

direction.

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