Assertion: speaker | /r/HasProperty | rated at less than 86 db
Facets:
value: @ 2.83v
type: OTHER
Source sentences:
text: Their sensitivity rating is 91dB @ 2.83V, but if your speakers are rated at less than 86 dB @ 2.83V (the lower the first number, the more power the speakers need), buy the most powerful amp you can afford.