Amazon.com: LZSIG Mini Audio Mixer,Stereo Line Mixer for Sub-Mixing,Ultra Low-Noise,4-Channel,Microphone Independent Control, 1/4" & 1/8" TRS Output and Input, for Guitars,Bass,Keyboards or Stage Mixer Extension : Musical Instruments
STATIC INLINE MIXER 3/4" MT - 5381.007
Tascam LM-8ST Line Mixer – Thomann France
In Line Mixers - AFX Mixing & Pumping Technolgies Inc.