Notice

Warning

We have multiple measurements for this speaker. Click here to see the default one (which is higher quality if we have one measurement better than the others).

What we know about the measurement:

JBL 4309 is a passive bookshelves speaker that cost around 2000USD for a pair .

  • Quality of the measurement data is low .
  • Origin of the data is Misc .
  • Format of the data is .
  • Sensitivity: 85.4dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 43.9Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.0dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.6 and would be 5.61 with a perfect subwoofer.
      • Details: NBD: ON 0.661, LW 0.583, SP 0.659, PIR 0.601; SM: SP0.773, PIR0.594; LFQ 0.945, LFX 42Hz
    • Tonality (Preference) Score is 5.27 with an EQ and would be 7.08 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.597, LW 0.491, SP 0.482, PIR 0.401; SM: SP0.931, PIR0.898; LFQ 0.945, LFX 38Hz
  • Link to Original review.
CEA2034
On Axis
Estimated In-Room Response
CEA2034
On Axis
Estimated In-Room Response
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ