The relationship between units of power output and speaker units of volume is not linear; for example, an increase of 10 watts does not translate into a 10 dB increase in volume.
Njikọ dị n'etiti nkeji nke mmepụta ikike na ụda okwu nke ụda abụghị usoro njikọta; dịka ọmụmaatụ, mmụba nke 10 watts adịghị asụgharị n'ime mmụba 10 dB na olu.