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Digital Camera External Microphone Compatible with Nikon D3400 DSLR Digital Camera External Microphone - Walmart.com
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The Nikon D3400 is a better cheap dSLR for newbies than the D3300 - CNET
Nikon D3400 Review
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Nikon D3400 DSLR Digital Camera External Microphone Vidpro XM-55 Microphone Kit 744596492497 | eBay
Amazon.com: Digital Camera External Microphone Compatible with Nikon D3400 DSLR Digital Camera, XM-AD2 Dual Channel XLR-Mini Audio Adapter for DSLR's, Camcorders and Pro Video Cameras : Electronics