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3
Specifications
CEA 2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has the capacity to handle
power under continuous demand, not instantaneous power handling that over time can damage voice coils.
VERIFIED WITH KLIPPEL
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be trained and certified by
Klippel prior to using the three separate Klippel systems to design, develop and test. Rockford Fosgate has made the investment in Klippel to
deliver the best possible speakers and subwoofers to their customers.
Model PP4-T PP8-T PP4-NT PP8-NT
Nominal Diameter
1.5”
(38.1mm)
1.5”
(38.1mm)
1”
(25mm)
1”
(25mm)
Description PRO Tweeter PRO Tweeter PRO Tweeter PRO Tweeter
Nominal Imped-
ance
4Ω 8Ω 4Ω 8Ω
Frequency Re-
sponse
4.5kHz-20kHz 4.5kHz-20kHz 4kHz-20kHz 4kHz-20kHz
Voice Coil
Diameter
1.475”
(37.5mm)
1.475”
(37.5mm)
1”
(25mm)
1”
(25mm)
Power Rating
(RMS/Peak)
50W / 100W 50W / 100W 50W / 100W 50W / 100W
Fs - Free Air
Resonance
3kHz 3kHz 3.6kHz 3.6kHz
Qts - - - -
Vas - - - -
Sensitivity
(1W/1M)
105dB 105dB 105dB 107dB
Sensitivity
(2.83V/1M)
108dB 105dB 108dB 107dB
Xmax - - - -
Mounting
Diameter
4.375”
(111mm)
4.375”
(111mm)
2.52”
(64mm)
1.79”
(45.5mm)
Mounting Depth
2.59”
(65.8mm)
2.59”
(65.8mm)
2.57”
(65.2mm)
2.57”
(65.2mm)
See page 4 for additional dimensions
Large
trim ring
Small
trim ring
2.52”
(64mm)
1.79”
(45.5mm)
Large
trim ring
Small
trim ring
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