Amazon.com : Saramonic CaMixer Microphone Kit with Dual Stereo Condenser Mics, Digital Mixer & XLR/Mini-XLR Input with +48V Phantom Power Preamp - for DSLR Cameras and Camcorders : Electronics
Sound Skulptor: MP566 Tube microphone preamplifier for the '500' Lunchbox - Kit, Preamplifiers, MP566
Hardware Blog: SC-1 Mic Preamp Kit - Blog - Octopart
Amazon.com : USA Sales Group Tiny RCA Outdoor Security CCTV Microphone for IP, NVR, TV, DVR Surveillance Cameras, Audio Mic Clear Sound with High Sensitive Adjustment Preamp Amplified Pickup Device Kit (1
CP5 Colour Mic Preamp – DIY Recording Equipment
Amazon.com : Saramonic CaMixer Microphone Kit with Dual Stereo Condenser Mics, Digital Mixer & XLR/Mini-XLR Input with +48V Phantom Power Preamp - for DSLR Cameras and Camcorders : Electronics