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Amazon.com: SENWOSI MT-8 8-Channel Sound Board Mixer Amplifier Mixing Console USB Bluetooth Audio Interface Microphone Preamplifier Phantom Power 3 band EQ Steel Chassis DJ Studio Music production : Musical Instruments
Amazon.com: Dingsun Bi-Directional 2-Way RCA Stereo Audio Switch Audio Signal Source Switcher Selector Splitter Box for DVD/Blu-ray Players etc. (2 Input-1 Output /1 Input-2 Output) : Electronics