This BK1X model appears to be a lower end model compared to AL1X. Got the catalogue last nite and found that the "wide color" is found on even lower ended models while "real color" is on AL1X and the even more extravagantly named "real color pro" on the 8K model. Looking at the sequence of models in the catalogue, it starts with the 8K tv, followed by AL1X and then BK1X and the lower end models.

On the other hand, the BK1X has Bluetooth 5 vs 4 on the AL1X and the android version is 9 vs 8 on the AL1X. Sharp really likes to confuse the market.