Assertion: speaker's sensitivity | /r/HasProperty | measured for subwoofer
Facets:
value: with receiver
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: Sensitivity is typically measured either suspended in an anechoic chamber in 'free space' (for full range speakers), or with the source and receiver outside on the ground in 'half space' (for a subwoofer).