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Boya By-mp4 2-channel Audio Adapter With Mono And Stereo Switch For Iphone 8 Canon Nikon Dslr Camera Sony Panasonic Camcorder - Microphone Accessories - AliExpress
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Amazon.com: BOYA by-MP4 2-Channel On-Camera Audio Adapter with 3X 3.5mm Inputs and 3.5mm TRS & TRRS Output Cables for DSLR, Mirrorless & Video Cameras or Smartphones & Tablets : Electronics
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