You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
610mw / 62Ω, DAC part is fine CS8416 + CS4398 LPF output using OPA, USB-tier manufacturers in Taiwan with a stable performance VIA VT1630, Perfect driving 32Ω-600Ω headphones, Standard Input Interface: PC USB / coaxial, Distortion: ≤0.001%, fiber optic (with toggle switch), Adapter Voltage: 100-240ACV, SNR: ≥105dB, Standard output interface: 6.35mm headphone output base line standard RCA connectors, Android 4.2.2 system can support OTG mode (need native system), Machine power / adapter output voltage: Dc12V 1A above, 910mw / 32Ω, 450mw / 100Ω, Output power: 90mw / 600Ω, etc. OTG mode, support Applle phone tablet, 180mw / 300Ω, high resolution, under a wide range of frequency support 44.1K-192k 24BIT 16BIT mode mode 44.1K-96K, Line level output: RMS 2V, Frequency response: 20hz-20khz, 1000mw / 16Ω
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($75.81): BGAFF10OFF
2. ($75.81): BGCuponation10
this code has to be applied 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): 07cc12, 502C6B, elec, AFfbG10, BGCITYADS2019, BGE13, BGVDay10%off, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, 7d18f7
(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 FX Audio DAC-X6i Amplifier? There we go.
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)).