Mini Audio Stereo Mixer 4 Channel 1/4 Inch TSR/TS Audio Input Jack For Line Mixer Stereo/Mono Cutovers Compatible With Mic, Guitars Volume Amplifier Knob Mix Audio Output To Small Mixer & Speaker
Riworal
Multiple Input Mix 4 Way 1/8" inch 4 in 1 Out Stereo Passive Mixer Headphone Sound Audio Speaker Splitter selector switcher 3.5mm audio Switch Box aux Loop Volume knob Control 3.5 mm Mixing Sharing
Arklove
TNP Portable Headphones Amplifier Stereo Headphone Earphone Amp Volume Control Audio Booster with RCA Input 3.5mm 6.3mm Output Jack & Power Switch
TNP Products
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
LZSIG