How much does a Chinese supplier typically charge for a pre-production outdoor speaker sample?

What IP rating is generally recommended for a commercial outdoor speaker used in extreme weather?

What is the best IP rating to look for when sourcing outdoor speakers for extreme weather conditions?

How long does it usually take a supplier to send a fully functional outdoor speaker sample to test?

Can I easily add my own logo and custom startup sound to a white-label outdoor speaker?

What is a realistic lead time for manufacturing 5000 units of outdoor speaker under FOB terms?