Rockford Fosgate FNX2404, FNX2405, FNX2406, FNX2406U manual S

Midrange Model Number FNX2404 FNX2405 FNX2406U FNX2406
Nominal Diameter 4" 51⁄4"6"6
1⁄2"
Nominal Impedance 4Ω4Ω4Ω4Ω
Frequency Response 50Hz–8kHz 40Hz–6kHz 40Hz–6kHz 35Hz–5kHz
Fs (Hz) 104Hz 87Hz 61Hz 72Hz
Qes .920 .732 .507 .902
Qms 4.360 4.083 3.330 4.226
Qts .735 .621 .440 .743
Vas (ft3/liter) .07/2.0 .13/3.9 .31/8.8 .72/20.3
Xmax (in/mm) .11/2.9 .15/3.7 .15/3.7 .15/3.7
Sensitivity 85.9dB 87.5dB 87.9dB 88.5dB
RMS Power Handling 70 Watts 70 Watts 70 Watts 70 Watts
Mounting Diameter 90.48mm 113.50mm 129mm 139.06mm
(39⁄16") (415⁄32") (51⁄16") (51⁄2")
Mounting Depth 54mm (21⁄8") 60mm (23⁄8") 48mm (17⁄8") 65mm (29⁄16")
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SPECIFICATIONS
(Specifications are subject to change without notice)