Introduction – ART Pro Audio SPLITMix4 - Four Channel Passive Splitter/Mixer User Manual
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INTRODUCTION:
Thank you for purchasing Applied Research and 
Technology’s SPLITMIX4. The SPLITMix4 is a fully 
passive hybrid mixer that offers a wide variety of 
configurations. Mix 4 stereo input channels down to 1 
stereo output, split a stereo input signal to distribute 4 
stereo output channels, or combine the configurations 
for a wide range of applications. You can even configure 
the SPLITMIx4 as 4 stereo input channels thru 4 
independent level attenuators to 4 stereo output 
channels. 
 
Independent stereo level controls are provided on each 
channel. All ¼-inch connections are stereo TRS (Tip, 
Ring, Sleeve) and all channel connections have 
intelligent switching to allow for a wide variety of 
configurations. Plugging into a mix input channel 
removes it from the splitter bus, and plugging into a 
splitter output channel removes it from the mix bus. 
Stereo or mono operation is determined by the type of 
¼-inch plug and cabling that you use. 
 
The fully passive design of the SPLITMix4 has no active 
circuitry to add noise or distortion, and virtually any 
signal level can be handled. The Level attenuators cover 
a wide range and offer over 90dB of attenuation and 
channel isolation. The SPLITMix4 is designed primarily 
as a line level device with medium input and output 
impedances. Low impedance microphones, speakers, 
