When an impedance is lower, the required power will be higher, and when the impedance is higher the required power will be low. This can be seen if you look at the formula for power, P = V^2 / Z, where P is the power, V is the voltage, and Z is the impedance. Why is speaker impedance important? A speaker impedance is a key factor in the power required to achieve a certain signal level. Impedance is a combination of typical ohmic resistance and reactance. Impedance is a measure of the resistance to an alternating current. X1,X2, etc are the individual impedance of each speaker (ohms)Ī speaker impedance is defined as the total impedance of the electrical circuit connecting 1 or more speakers.Where I is the equivalent impedance of the speaker setup (ohms).The following is the speaker impedance formula: The speaker impedance calculator will display the equivalent total impedance of the setup. Enter the impedance of each individual speaker and select whether they are connected in series or parallel.
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