RDL RU-MX4LT 4-Channel Line-Level Mixer with Output RU-MX4LT B&H
Stereo Audio Signal Mixing Board Multi-input Audio Mixer 2 Way Input 1 Way Output Dc 5v-12v - Pro Audio Recording - AliExpress
Multi Source RCA Mixer Stereo Audio Switch Switcher 4 input 2 output driver headphone volume control FOR Power amplifier|Integrated Circuits| - AliExpress
Amazon.com: TNP 2 Channel Microphone Mini Audio Stereo Mixer - Dual 1/4" 6.35mm Mic Input Port to RCA Stereo Output Portable Compact Preamp for Streamer Podcaster DJ : Musical Instruments
Ultra Low Noise 4 Channel Line Stereo Mixer 4 Input 1 Output DC 5V Portable Mini Audio Mixer Microphone Guitar Bass Keyboard Mixers for Bar Stage Studio - Walmart.com
Mix 2:1 - Radial Engineering
GHXAMP Two Way Stereo Audio Signal Mixer Board For One Way amplification Output Headset Amplifier audio DIY (2 Input 1 Output) - AliExpress
Amazon.com: 3 Channel Bluetooth Audio Mixer - DJ Sound Controller Interface with USB Soundcard for PC Recording, XLR, 3.5mm Microphone Jack, 18V Power, RCA Input/Output for Professional and Beginners - PAD30MXUBT :
Ultra Low Noise 4 Channel Line Stereo Mixer 4 Input 1 Output DC 5V Portable Mini Audio Mixer Microphone Guitar Bass Keyboard Mixers for Bar Stage Studio - Walmart.com