Smelly Urine Male Cat's Smelly Urine Problem?

Cat's smelly urine problem? - smelly urine male

We have a cat of 6 months. He is constantly with the litter box and urine smells very strong, stinking the whole house. Recently, we had fixed the "" to think that the problem would help a little. But he continues to urinate several times a day and the smell drives all crazy. Suggestions?