save. I haven’t seen any comparisons on strictly these two microphones. Hi @Nico, No need to worry about it. The code for unzipping the file is fifine ... How to use multiple K669/K669B microphones on one computer? hide. Buy (Renewed) Fifine K670 PC Microphone for Windows and MAC for Recording, Streaming Twitch, Voice Overs, Skype and Podcasting for YouTube: Computer Microphones - Amazon.com FREE DELIVERY possible on eligible purchases Fifine K670 Review | Best Budget Mic Photograph: Fifine Technology Our Results. Fifine K669 or K670? Shipping takes 4-6 weeks, but could be up to 3 or even 4 months in some cases. share. Close. Fifine K669 or K670? If you want to get the zero-latency in hearing, you need to purchase K670. Check out with 15% discount code: FIFINEBLACKFRIDAY (will expires on 11/27 11:59 PM CST). So with that being said I have used this mic for many hours and it hasn’t shown me much of any problems at all. The Fifine K670 is a mic that I have used for quite a while through everyday voice chats in discord and my every so often amateur streams. I’m torn between choosing the K669 or K670 and want to know which to buy. Posted by 1 year ago. 1. FIFINE MICROPHONE November 11, 2020. FIFINE K670/670B USB Mic with A Live Monitoring Jack for Streaming Podcasting on Mac/Windows $ 49.99 USD. Do they sound much different in comparison to each other? 1 comment. Compatible with only FIFINE K669/K669B, T669, K780A and K670/670B. Archived.