8138 Sensitivity
Frequently Asked Questions
Written by Jose Liberio Cruz
Updated at January 27th, 2026
Question:
Can I use the 8138 on a fairly small power amplifier?
Answer:
The 8138's very high sensitivity of 97dB (1 Watt @ 1 meter) makes it one of the highest efficiency 8" ceiling speakers available. High sensitivity allows the speaker to turns a small amount of power into high sound levels.