... ceiling speakers 2. Sample ratio: 64K 3. Frequency response: 20Hz ~ 20000Hz 4. Shortest Latency:<0.5ms 2.4g wireless ceiling speakers Description:The ceiling ... :Operation frequency: 2.4-2.438 GHzSupport for ceiling installationHi-Fi, interference resistanceDC power support, which can ... it is not bad idea to choose the wireless ceiling to finish your idea.Applicable range: Salon, Supermarket, ...