Rolls MX42 4-Channel Passive Stereo Mixer With RCA Inputs | Full Compass Systems
Amazon.com: Moukey Mini Audio Mixer Line Mixer, DC 5V, 4-Stereo Ultra, Low-Noise 4-Channel for Sub-Mixing, Ideal for Small Clubs or Bars, As Guitars, Bass, Keyboards Mixer, 2021 New Version-MAMX1 : Musical Instruments
Rolls MX122 Mini Mix Pro 4-Channel Stereo Mixer - ProAudio.com