In actual use, the frequency range and frequency response of the audio has always been a matter of attention. However, because of the professional subdivision knowledge, many people have a one -sided understanding of the frequency range and frequency response. What is the difference between frequency range and frequency response? Is the higher frequency, the better the sound effect? How high the audio frequency is more appropriate?

The frequency range refers to the range between the minimum effective return frequency and the highest effective return frequency that can be replaced by the audio system; the frequency response refers to The phenomenon of increasing or attenuation, and changes in the frequency of phase. This changes (variable volume) associated by the sound pressure and phase and frequency are called frequency response, and the unit decibel (DB).

The frequency characteristics of the audio system are commonly used for decibel scales

Coordinates indicate the frequency response curve of the frequency response curve of the frequency of power to the horizontal coordinates of the pairing scale. When the sound power is 3DB lower than the normal power, this power point is called a high -frequency deadline and a low -frequency deadline for frequency response. The frequency between the high frequency deadline and the low frequency deadline is the frequency response of the device; the curve that changes with the frequency of sound pressure and phase hysteresis is called "amplitude frequency characteristics" and "frequency characteristics", which is collectively referred to as "frequency frequency" characteristic". This is an important indicator of the performance of the speaker. It has a direct relationship with the performance and price of the speaker. The more the scorer value, the more flat the speaker's frequency curve, the smaller the distortion, and the higher the performance. Such as: one speaker frequently sounds 60Hz to 18kHz +/ -3dB. These two concepts are sometimes not distinguished, and they are called frequent.