KLH 911B is a passive bookshelves speaker .
- -3dB (resp. -6db) point v.s. reference is at 134.0Hz (resp. 109.0Hz).
- Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 10000.0Hz].
- Frequency deviation is 8.5dB over the same frequency range.
- Preference Score is 0.3 and would be 4.1 with a perfect subwoofer.
- Score compononent details: NBD: ON 0.76, LW 0.68, SP 0.54, PIR 0.59; SM: SP0.31, PIR0.02; LFQ 0.68, LFX 109Hz