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Speaker Sensitivity Converter

by John Siau November 16, 2022 1 min read

Use this tool to convert between power sensitivity and voltage sensitivity

Speaker Power Sensitivity is specified as: dB SPL (1 watt, 1 meter)
Speaker Voltage Sensitivity is specified as: dB SPL (2.83 V, 1 meter)

These values will be identical for 8-Ohm speakers, but they will be different at other impedances.

1 Watt into an 8-Ohm speaker will require 2.83 volts.
1 Watt into a 4-Ohm speaker will require just 2 volts.
The ratio between 2.83 volts and 2 volts is 3.01 dB.

This means that if a 4-Ohm and and 8-Ohm speaker have identical efficiencies, the 4-Ohm speaker will play 3.01 dB louder with a given voltage.

Speaker Sensitivity Converter
Speaker Sensitivity:
	dB SPL (1 W, 1 M)
	dB SPL (2.83 V, 1 M)
Speaker Impedance:	Ohms

RESULTS
Power Sensitivity:	dB SPL (1 W, 1 M)
Voltage Sensitivity:	dB SPL (2.83 V, 1 M)