You can create price alert here, copy coupons and view price history. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
XDUOO Link2 Bal Max USB DAC Balanced Headphone Amplifier CS43131*2 DAC Headphone amplifier Type C link 2 BAL DSD256 4.4mm+3.5mm | $155.78 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
123dB(4.4 Headphone AMP), Input port: Type-C USB, THD+N: 0.001%1kHz(3.5 Headphone AMP), DSD: DSD64-256, PCM: 16-32Bit/44.1-384kHz, , Size: 63x 23.5x 13mm, SNR: 123dB(3.5 Headphone AMP), Sample rate support：, Crosstalk: 3.5 Output: ≥77dB, DAC chip: CS43131*2, Output power: 3.5mm: 125W@32Ω; 4.4mm: 270W@32Ω, Frequency response: 20Hz~20kHz(±0.5dB), Weight: 28g, Output port: 3.5mm+4.4mm, 0.0007%1kHz(4.4 Headphone AMP), 4.4 Output: ≥120dB
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($154.21): BGAlerabat6
you should apply the coupon 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): ADMITAD2212, Tabby20
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for XDuoo Link 2 Bal DAC DSD256 Headphone Amplifier 3.5mm.
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)).