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What is the purpose of your restaurant with a sound system? If it's just pure background music, it's simple, just 30-40 ceiling speakers. But when it comes to holding an event performance, you have to use professional audio.
At least a pair of dual 15 speakers + 3-5 pairs of 12-inch complement speakers.
It is recommended to use an adjustable light source with a maximum power of 32W and a minimum power of 8W. This makes the brightness adjustable.
If you are not afraid of noisy neighbors, you can achieve high audio loudness by configuring a power amplifier rated at more than 100W and matching a 10-inch speaker. >>>More
Listen to me, buy four or six ventilation fans, half inlet and half out, budget 200
A 55W lamp is recommended.
The kitchen needs to be a little brighter, about 15 watts is fine.