Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11am Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
RDL ST-UMX3 3x1 Universal Audio Mixer - 3 microphone or line inputs x 1 microphone or line output
From RDL, the ST-UMX3 Stick-On series miniature audio mixer features 3 input channels with switchable microphone or line level input level. The ST-UMX3 is an ideal solution for fixed installation in commercial offices, retail stores, schools, medical offices and general sound reinforcement applications. The 3 inputs are summed to a single output that is also capable of microphone or line level operation. The ST-UMX3 features dual LED output meters and audio-taper, single turn gain adjustment dials are provided for each input.
Miniature Stick-On Design
The miniature stick-on series are designed to conveniently mount anywhere.
Mic or Line Level Operation
All inputs and output are designed for microphone or line level operation.
Balanced and Unbalanced Capability
All inputs and output are capable of balanced or unbalanced audio signal.
In the Box
RDL ST-UMX3 3-Channel Microphone and Line Level Miniature Audio Mixer
3 Year Warranty
Table of Contents
3 Mic / Line Switchable Inputs
Mic: 600 ohms
Line: 50 ohms
Single Output - Mic / Line Switchable
150 ohms Balanced; 75 ohms unbalanced
Max Input/Output Gain
Mic: -18 dBu; Line: +25 dBu
Mic: < -70 dB (50 dB gain)
Line: < -82 dB (unity gain)