Bose 301 Series IV is a passive bookshelves speaker .
- -3dB (resp. -6db) point v.s. reference is at 51.0Hz (resp. 41.0Hz).
- Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 10000.0Hz].
- Frequency deviation is 18.5dB over the same frequency range.
- Preference Score is 1.8 and would be 3.9 with a perfect subwoofer.
- Score compononent details: NBD: ON 1.29, LW 0.53, SP 0.49, PIR 0.46; SM: SP0.38, PIR0.35; LFQ 1.02, LFX 43Hz