Just check coupons out (with price alert and history). What is best price?
Impedance: 15Ω, Sixteen unit moving iron headphones, Ear shell of zinc alloy combined with resin material, Pluggable wire design, Medium frequency moving ironx 2, High frequency moving ironx 4, Principle of vocalization, Wire length 1.25 + / – 0.05m, Plug diameter 3.5mm, Sensitivity: 105dB, Low frequency moving ironx 2, Professional-grade sophisticated electronic crossover tuning technology, Frequency response range 20 – 40000 Hz
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($125.99): BG11PP12
2. ($130.99): Email5
3. ($130.99): BGELIG0920
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): TTxBG10, BGss11, BG3CSUM, AFfbG10, aff7off, 8fbade, 502C6B, EARSP11, BGMPB2020, BGAFF10OFF, bGhOnEy10, BG11SHOP
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for KZ AS16 Earphones? There we go.
Price records source(s): Gearbest, 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)).