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Sescom SES-3MIX 3-Input / 1-Output Passive XLR Mixer

BH #SES3MIX • MFR #SES-3MIX
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Sescom SES-3MIX 3-Input / 1-Output Passive XLR Mixer
Key Features
  • Combines Multiple Mic/Line Signals
  • Three Locking XLR-1/4" Combo Inputs
  • XLR and 1/4" Outputs
  • Passive Design Requires No Power
Add extra mic- or line-level inputs your mixing board, PA system, or audio interface with the Sescom SES-3MIX, a 3-input / 1-output mixer that's rugged enough for the stage and simple enough for home studios. Its black anodized aluminum enclosure houses three locking Neutrik XLR-1/4" combo inputs capable of accepting balanced or unbalanced signals, a level control per channel, and simultaneously active XLR and 1/4" outputs.
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Sescom SES-3MIX Overview

Add extra mic- or line-level inputs your mixing board, PA system, or audio interface with the Sescom SES-3MIX, a 3-input / 1-output mixer that's rugged enough for the stage and simple enough for home studios. Its black anodized aluminum enclosure houses three locking Neutrik XLR-1/4" combo inputs capable of accepting balanced or unbalanced signals, a level control per channel, and simultaneously active XLR and 1/4" outputs.

Since the SES-3MIX utilizes a passive design that doesn't require power, it needs no batteries or power adapter. As a result, it is optimal for mixing line-level signals or microphones that don't need phantom power, but it should not be used with high-impedance sources such as electric guitars.

Sescom SES-3MIX Specs

Inputs
3 x XLR-1/4" TRS Combo Mic/Line Input
Outputs
1 x XLR 3-Pin Male Mic/Line Output
1 x 1/4" TRS Female Mic/Line Output
Power Requirement
No Power Required
Construction Material
Aluminum
Dimensions (W x D x H)
5.3 x 3.3 x 2.8" / 13.3 x 8.3 x 7.0 cm
Weight
11.8 oz / 334.5 g
Packaging Info
Package Weight
0.91 lb
Box Dimensions (LxWxH)
7.1 x 4.4 x 3.3"

Sescom SES-3MIX Reviews

Great Service

By Michael
Rated 5 out of 5
Date: 2026-05-21

Bought the same item on Amazon and all the pots were scratchy and noisy. Got this from B&H and it is quiet and works great.

Very convenient! Does the job!

By Aaron (Me)
Rated 5 out of 5
Date: 2023-11-24

I love the fact that this mixer doesn't require any batteries. Very compact and expands extra chamels on my main mixer. Much needed and have two of these great passive mixers!

See any errors on this page?

I have three Shure Cardioid Boundary Condenser ...

I have three Shure Cardioid Boundary Condenser Mics and would like to mix them into one line which will be plugged into a computer's mic-in. Will this mixer work for my needs?
Asked by: Christian
The Sescom 3-Input, 1-Output Passive XLR Mixer will mix and sum the signal of three microphones as desired, but because it is passive, will not supply phantom power to condenser microphones.
Answered by: Matt Z
Date published: 2023-08-17
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