Amazon.com: Pyle Professional Bluetooth DJ Audio Mixer - 6 - Channel DJ Controller Sound Mixer w/DSP 16 Preset Effects, USB Interface, 4 XLR Mic/Line Input, AUX, FX Processor MP3 Player, Headphone Jack
Amazon.com: Professional 8 Channel Mixing Console Audio Mixer Bluetooth w/USB Drive Amplifier Studio Audio Sound Mixer Console Ac 110v 50hz 18w : Musical Instruments
Yamaha MG20XU 16 Channel Mixer w/ Effects, USB + 4 Aux Sends + 12U Rack Kit | Audio Savings
What Is an Aux Send and How to Use It on a Mixer? - Virtuoso Central
Amazon.com: TENEALAY 2 Way Audio mixer 3.5mm Un-powered mixer, 2 to 1 Stereo aux 3.5mm line levels control Box mini passive mixer X21 : Musical Instruments