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.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| 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 | $183.27 | – |
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. There is one great coupon!
Link: Banggood product page
1. ($154.21): BGAlerabat6
apply it in your 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): ADMITAD2212, Tabby20
(I don’t think these’re gonna work, but you can try ’em 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. The lowest price was: $129.99.
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)).