JBL Northridge Series N28 is a passive bookshelves speaker .
- -3dB (resp. -6db) point v.s. reference is at 55.0Hz (resp. 48.0Hz).
- Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 10000.0Hz].
- Frequency deviation is 5.2dB over the same frequency range.
- Preference Score is 3.2 and would be 5.4 with a perfect subwoofer.
- Score compononent details: NBD: ON 0.77, LW 0.73, SP 0.69, PIR 0.64; SM: SP0.79, PIR0.69; LFQ 1.47, LFX 48Hz