Both J-Max and JX-Pro grinders are overall grinders that could brew for several methods.
The Titanium-coated burr design of J-Max and the Stainless-steel burr design of JX-Pro grinders are different. The adjustment design of J-Max grinder is the External adjustment as 90 clicks per rotation, 10 clicks per number, 8.8 microns per click whereas there is the Top adjustment design of JX-Pro grinder is 40 clicks per rotation, 4 clicks per number, 12.5 microns per click.
The Magnetic catch-cup of J-Max grinder allows you to remove it in a flash with the capacity of 35~40g. The capacity of the Classic catch-cup design with JX-Pro grinder is 30~35g.
Both grinders are the overall grinders for several brew methods and are ideal for espresso brewing, J-Max grinder allows more minor clicks to explore the sweet spot of the espresso compare to JX-Pro grinder. J-Max grinder produces more fine particles compared to JX-Pro grinder.
J-Max: 0.0088mm < JX-Pro: 0.0125mm
The Cylinder case is pairing with J-Max grinder. The Cylinder case or the Travel case of JX-Pro grinder could be select with extra bucks.
The burr design and the adjustment design of JX-Pro and K-series grinder (K-Pro & K-Plus grinder) are different, even it is the same burr size of 48mm and the same stainless steel burr materials.
The Top adjustment design of JX-Pro grinder is 40 clicks per rotation, 40 clicks per number and 12.5 microns per click. The External adjustment design of K-series grinders is 90 clicks per rotation, 10 clicks per number and 22 microns per click where you could set the desired grind setting freely. K-series grinder produces even consistent grinding results and generates fewer fine particles.
The capacity of the Classic catch-cup design with JX-Pro and K-Pro grinders is 30~35g. The Magnetic catch-cup of K-Plus grinder allows you to remove it in a flash with the capacity of 35~40g. And the bottom of the catch-cup is changeable to a more espresso-friendly feature to fits the 1Zpresso Coffee Maker Stainless Steel Powder Container and the 51/58mm Baskets.
The Cylinder case is pairing with K-Pro grinder. The Travel case is pairing with K-Plus grinder. The Cylinder case or the Travel case of JX-Pro grinder could be select with extra bucks. It is an ideal gift for friends and family.