Amanero i2s interface module sound quality

Doesn't look like an original Amanero board. This one has the same board add-on, but it is a complete case with PSU and I2S isolators, but TXCO is an option:
Hiend Finished Italy Amanero USB DSD digital interface L14-65 | eBay

This one claims that firmware can be upgraded (a new hack?). It looks like the same box with I2S isolators. From $80 to $128 with LCD and TXCO? option.
[$80.00] Amanero USB DSD digital interface in Italy Can install patch, temperature compensation, femtosecond 3 types of crystal from best taobao agent ,taobao international,international ecommerce newbecca.com

On photos:
Manufacturer: Maple Leaf, branded as Leaf Audio
Model: CMD17, CMD21, etc...
 
Doesn't look like an original Amanero board. This one has the same board add-on, but it is a complete case with PSU and I2S isolators, but TXCO is an option:
Hiend Finished Italy Amanero USB DSD digital interface L14-65 | eBay

This one claims that firmware can be upgraded (a new hack?). It looks like the same box with I2S isolators. From $80 to $128 with LCD and TXCO? option.
[$80.00] Amanero USB DSD digital interface in Italy Can install patch, temperature compensation, femtosecond 3 types of crystal from best taobao agent ,taobao international,international ecommerce newbecca.com

On photos:
Manufacturer: Maple Leaf, branded as Leaf Audio
Model: CMD17, CMD21, etc...

Thank you.
I found the following with upgraded clocks.
Amanero USB I2S module PCM combo384 module DSD512 Upgraded with Crystek CCHD-957 | eBay