top-end 
adjective
(Of a product) at the top of a range; high quality or sophisticated: top-end, high-quality video equipment...
- Motorola's top-end product is the 7457, announced earlier this year but not yet in volume production.
- Today, all of the major American ammunition makers have a top-end product in both handgun, rifle and shotgun ammunition.
- These are top-end products whose distribution is confined to the US.
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