Amazon.com: Digital Camera External Microphone Compatible with Nikon Coolpix A300 Digital Camera External Microphone Vidpro XM-L Wired Lavalier microphone - 20' Audio Cable - Transducer type: Electret Condenser
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
Nikon D3400 Review | PCMag
Amazon.com : Nikon D3400 DSLR Camera with AF-P DX NIKKOR 18-55mm f/3.5-5.6G VR and AF-P DX NIKKOR 70-300mm f/4.5-6.3G ED : Electronics