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US 12V Power Adaptor for the Behringer MX400 MicroMix Mixer by myVolts
Amazon.com: 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 : Musical Instruments
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Audio Mixer, DC5-12V Isolation 10 Channel Stereo Mixer Lossless Signal For Home Theater - Walmart.com
Amazon.com: Line Mixer 4 Channel, Donner Low-Noise Mini Audio Mixer DC 12V with AC adapter & Stereo/Mono Adjustment, As Microphones, Guitars, Keyboards or Stage Sub Mixer, Ideal for Small Clubs or Bars :
Amazon.com: Shure SCM268 4-Channel Microphone Mixer (12V Phantom Power) with 6 Transformers, Built-in Low-Cut Filter and IEC Power Cord Connector : Musical Instruments