Optoma · Projectors
Optoma ZK431ST-B
The Optoma ZK431ST-B is the entry model in Optoma's purpose built 4K golf sim projector line, with a black chassis made for simulator rooms. It delivers true 4K UHD resolution, 3840x2160 native, and 4,100 lumens from a DuraCore laser rated up to 30,000 hours. The fixed 0.496:1 short throw lens keeps the projector close to the impact screen and ahead of the golfer. Input lag is 16.7 ms at 4K 60Hz and 8.4 ms at 1080p 120Hz, with a Golf Sim Color Mode tuned for simulator software. Smart Fit auto alignment through the Smart Control app speeds up setup, and keystone plus four corner correction fine tune the fit.
Best price today · at Optoma
Price last updated on Nov 1, 2026. Tracked at 1 store. We may earn a commission — it never affects rankings.
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Is now a good time to buy?
No rush — its price hasn't moved.
The best price for the ZK431ST-B has been $1,799.00 since Nov 1, 2026, so there's no drop to jump on yet.
ZK431ST-B deal FAQ
What is the lowest price for the Optoma ZK431ST-B?
The lowest price we've tracked is $1,799.00. Today the best price is $1,799.00 at Optoma.
Where is the Optoma ZK431ST-B cheapest right now?
Optoma has the lowest price at $1,799.00. It's the only retailer we track for this product right now.
How much has the ZK431ST-B dropped in price?
It hasn't dropped in the last 90 days. Today's $1,799.00 is 33% below its $2,699.00 list price.
