It is believed that many customers who have consulted about the sound installation have such an impression: when professional
1. Pay attention to the measurement method and accuracy of this productIt is well known that all dimensions in volume measure
Answer: (1) The frequency range of sound that the human ear can hear is 20 Hz to 20 kHz.(2) It is about 10 octaves.(3) The sp
Supplementary question: What is the level level? What is his unit? What is the relationship and difference between level leve
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