Signal to Noise Ratio: 75dB, Weight: 556g(19.6 oz), Brand: Boya, Dimensions: 249.6×114.9×118.8mm(9.9×4.5×4.7″), Maximum SPL: 110dB, Mic Gain: 38dB, Model: BY-PM300, Bit Depth: 16bit/24bit, Sensitivity: -45dB(0dB=1V/Pa /1kHz 1Pa), Polar pattern: Cardioid, Frequency Response: 20-20000Hz, Audio Output Connector: 3.5mm headphone output / Type-C, Power Consumption: 5V/120mA, Sample Rate: 48kHz.
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Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($67.61): BGSaleFeb8
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG11f04e, BGBuscape01, BGc5874d, BGBRPL2, BGHOTSHOP15, BG53e9c8, BGAlerabatKL, BGd173b4, BGAUDIO, BG9ba0e8, BG1b5830
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for BOYA BY-PM300 Professional Desktop USB Microphone? There we go. The lowest price was: $62.47.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).