Muslady T4 Portable 4-Channel Sound Card Mixing Console Audio Mixer Built-in 16 DSP 48V Phantom power Supports BT Connection MP3 Player Recording Function 5V power Supply for DJ Network Live Broadcast -
FMX-42u - 4 Channel Portable Mixer w/ USB Digital Audio Output - Azden
Amazon.com: Nady MM-242 4 Stereo / 8 Mono Channel Mini Mixer with mono/stereo mode, ¼” Inputs and outputs – battery powered, or use optional AC adapter : Musical Instruments