Rockford Fosgate Prime R1675X2 Owner's Manual
3
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Model
R14X2
R1525X2
R165X3
R1675X2
R168X2
R169X2
R169X3
Nominal Diameter
4.0”
(102mm)
(102mm)
5.25”
(133)mm
(133)mm
6.5”
(165mm)
(165mm)
6.75”
(171.5mm)
(171.5mm)
6” x 8”
(152 x 203mm)
(152 x 203mm)
6” x 9”
(152 x 230mm)
(152 x 230mm)
6” x 9”
(152 x 230mm)
(152 x 230mm)
Description
2-Way
2-Way
3-Way
2-Way
2-Way
2-Way
3-Way
Nominal Impedance
4
1
4
1
4
1
4
1
4
1
4
1
4
1
Frequency Response
100-20kHz
62-20kHz
52-20kHz
52-20kHz
51-20kHz
48-20kHz
47-20kHz
Voice Coil Diameter
1.0”
(25.4mm)
(25.4mm)
1.0”
(25.4mm)
(25.4mm)
1.0”
(25.4mm)
(25.4mm)
1.0”
(25.4mm)
(25.4mm)
1.0”
(25.4mm)
(25.4mm)
1.0”
(25.4mm)
(25.4mm)
1.0”
(25.4mm)
(25.4mm)
Power Rating
(RMS/Peak)
30W / 60W
40W / 80W
45W / 90W
45W / 90W
55W / 110W
65W / 130W
65W / 130W
Fs -
Free Air Resonance
133.5 Hz
83 Hz
69 Hz
69 Hz
67.5 Hz
63.5 Hz
63 Hz
Qts
1.22
0.83
0.74
0.75
1.00
0.69
0.71
Vas
0.04ft
3
(1.0L)
0.18ft
3
(5.2L)
0.47ft
3
(13.3L)
0.46ft
3
(12.9L)
0.43ft
3
(12.3L)
0.58ft
3
(16.5L)
0.61ft
3
(17.3L)
Sensitivity
(1W/1M)
85dB
88dB
91dB
91dB
87dB
90dB
90dB
Sensitivity
(2.83V/1M)
88dB
91dB
94dB
94dB
90dB
93dB
93dB
Xmax
0.04”
(1mm)
(1mm)
0.04”
(1mm)
(1mm)
0.07”
(1.9mm)
(1.9mm)
0.07”
(1.9mm)
(1.9mm)
0.08”
(2.1mm)
(2.1mm)
0.10”
(2.6mm)
(2.6mm)
0.10”
(2.6mm)
(2.6mm)
Mounting Diameter
3.62”
(91.9mm)
(91.9mm)
4.69”
(119mm)
(119mm)
5.51”
(140mm)
(140mm)
5.59”
(142mm)
(142mm)
5.07”x7.31”
(128.8x185.8mm)
(128.8x185.8mm)
5.93”x8.59”
(150.5x218.2mm)
(150.5x218.2mm)
5.93”x8.59”
(150.5x218.2mm)
(150.5x218.2mm)
Mounting Depth
1.72”
(43.6mm)
(43.6mm)
1.93”
(49mm)
(49mm)
2.15”
(54.5mm)
(54.5mm)
2.19”
(53.8mm)
(53.8mm)
2.54”
(64.5mm)
(64.5mm)
2.85”
(72.4mm)
(72.4mm)
2.85”
(72.4mm)
(72.4mm)
Grille/Trim Ring
YES
YES
YES
YES
NO
YES
YES
Adaptor Plate
NO
NO
NO
NO
NO
NO
NO
See pages 4-6 for additional dimensions
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.
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.
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.