Rockford Fosgate Speaker Drivers
Rockford Fosgate is represented in the Load Forge catalog by 78 speaker drivers, covering 8" to 19". Resonance (Fs) spans 20–45 Hz and total Q (Qts) 0.31–1.06, so the range covers both compact sealed alignments and large vented subwoofers. Every entry below links to its Thiele/Small parameters and calculated sealed and bass-reflex box designs.
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Drivers
78
Diameter
8"–19"
Fs Range
20–45 Hz
Qts Range
0.31–1.06
Price Range
65–134400
Filter Rockford Fosgate Speaker Drivers by diameter
All Rockford Fosgate Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| P1S2-8 | 8" | 40 Hz | 0.54 | 12 L | 998.00 SEK |
| P1S48 | 8" | 40 Hz | 0.52 | 13.9 L | 998.00 SEK |
| P1S88 | 8" | 42 Hz | 0.54 | 13.9 L | — |
| P2D28 | 8" | 40 Hz | 0.45 | 10 L | 159.00 EUR |
| P2D48 | 8" | 43 Hz | 0.47 | 10 L | 159.00 EUR |
| P3SD2-8 | 8" | 38 Hz | 0.72 | 15.8 L | 249.00 EUR |
| P3SD4-8 | 8" | 39 Hz | 0.87 | 15.8 L | 249.00 EUR |
| T3-BMW-SUB | 8.5" | 38 Hz | 0.49 | 40.6 L | — |
| M210S4 | 10" | 45 Hz | 0.57 | 20.2 L | — |
| P1S2-10 | 10" | 30 Hz | 0.52 | 35.4 L | 119.99 USD |
| P1S410 | 10" | 30 Hz | 0.52 | 43.7 L | 3190.00 CZK |
| P1S810 | 10" | 31 Hz | 0.55 | 43.7 L | 99.16 USD |
| P2D210 | 10" | 29 Hz | 0.48 | 32.6 L | 263.20 NZD |
| P2D410 | 10" | 30 Hz | 0.51 | 32.6 L | 179.00 CHF |
| P3D210 | 10" | 27 Hz | 0.5 | 24.5 L | 274.55 EUR |
| P3D410 | 10" | 29 Hz | 0.55 | 24.5 L | 274.55 EUR |
| P3SD210 | 10" | 44 Hz | 0.66 | 10.4 L | 249.00 EUR |
| P3SD410 | 10" | 45 Hz | 0.73 | 10.4 L | 249.00 EUR |
| T0D210 | 10" | 30.5 Hz | 0.51 | 16.3 L | 449.00 EUR |
| T0D410 | 10" | 31 Hz | 0.54 | 17 L | — |
| T110D2 | 10" | 35 Hz | 0.55 | 15.8 L | — |
| T110D4 | 10" | 36 Hz | 0.6 | 15.8 L | — |
| T1D210 | 10" | 34.5 Hz | 0.54 | 15.4 L | 479.99 USD |
| T1D410 | 10" | 36 Hz | 0.65 | 15.7 L | 479.99 USD |
| T1S1-10 | 10" | 42 Hz | 0.95 | 13.1 L | 539.99 USD |
| T1S1-10P | 10" | 42 Hz | 0.95 | 13.1 L | 539.99 USD |
| T1S1-10S | 10" | 34 Hz | 0.6 | 16.4 L | 539.99 USD |
| T1S2-10 | 10" | 43.5 Hz | 1.04 | 13.1 L | 649.00 EUR |
| T1S2-10P | 10" | 43.5 Hz | 1.04 | 13.1 L | 539.99 USD |
| T1S2-10S | 10" | 36 Hz | 0.76 | 15.4 L | 539.99 USD |
| T210D2 | 10" | 33 Hz | 0.54 | 13.8 L | — |
| T210D4 | 10" | 35 Hz | 0.6 | 13.8 L | — |
| M212S4B | 12" | 35 Hz | 0.52 | 44.3 L | — |
| P1S2-12 | 12" | 25 Hz | 0.55 | 88.3 L | 149.00 EUR |
| P1S412 | 12" | 25 Hz | 0.54 | 109 L | 149.00 EUR |
| P1S812 | 12" | 26 Hz | 0.59 | 109 L | — |
| P2D212 | 12" | 26 Hz | 0.55 | 70.3 L | 194.10 EUR |
| P2D412 | 12" | 27 Hz | 0.58 | 70.3 L | 199.00 EUR |
| P3D212 | 12" | 27 Hz | 0.48 | 43.9 L | 329.00 EUR |
| P3D412 | 12" | 28 Hz | 0.52 | 54.3 L | 329.00 EUR |
| P3SD212 | 12" | 43 Hz | 0.7 | 21 L | 251.10 EUR |
| P3SD412 | 12" | 45 Hz | 0.74 | 21 L | 251.10 EUR |
| R1S412 | 12" | 22 Hz | 0.49 | 197.2 L | 65.00 EUR |
| T0D212 | 12" | 25.3 Hz | 0.47 | 55 L | 83600.00 JPY |
| T0D412 | 12" | 26 Hz | 0.53 | 55.1 L | 14599.00 UAH |
| T112D2 | 12" | 31 Hz | 0.47 | 34.8 L | — |
| T112D4 | 12" | 33 Hz | 0.55 | 34.8 L | — |
| T1D212 | 12" | 28 Hz | 0.52 | 55.8 L | 539.99 USD |
| T1D412 | 12" | 29.2 Hz | 0.61 | 55.8 L | 539.99 USD |
| T1S1-12 | 12" | 36 Hz | 1.06 | 32.4 L | 699.00 EUR |
| T1S2-12 | 12" | 37 Hz | 1.06 | 32.4 L | 699.00 EUR |
| T212D2 | 12" | 28 Hz | 0.38 | 26.4 L | — |
| T212D4 | 12" | 29 Hz | 0.44 | 26.4 L | — |
| T2D212 | 12" | 38.7 Hz | 0.49 | 13.6 L | 124740.00 JPY |
| T2D412 | 12" | 39.9 Hz | 0.59 | 13.6 L | 124740.00 JPY |
| T2S1-13 | 13" | 25 Hz | 0.34 | 69.3 L | 1099.99 USD |
| T2S2-13 | 13" | 25.5 Hz | 0.35 | 68.7 L | 1099.99 USD |
| P1S2-15 | 15" | 23 Hz | 0.55 | 191.5 L | 189.99 USD |
| P1S415 | 15" | 24 Hz | 0.62 | 170 L | 199.00 EUR |
| P1S815 | 15" | 25 Hz | 0.68 | 172 L | — |
| P2D215 | 15" | 20 Hz | 0.63 | 190 L | 249.00 EUR |
| P2D415 | 15" | 20 Hz | 0.62 | 190 L | 249.00 EUR |
| P3D215 | 15" | 22 Hz | 0.58 | 141 L | 349.00 EUR |
| P3D415 | 15" | 22 Hz | 0.599 | 141 L | 399.00 EUR |
| T0D215 | 15" | 25.5 Hz | 0.44 | 94.4 L | 699.00 EUR |
| T0D415 | 15" | 26.2 Hz | 0.52 | 94.4 L | 650.00 USD |
| T115D2 | 15" | 26 Hz | 0.43 | 89.1 L | 19990.00 JPY |
| T115D4 | 15" | 27 Hz | 0.51 | 89.1 L | — |
| T1D215 | 15" | 26.3 Hz | 0.43 | 102 L | 849.99 USD |
| T1D415 | 15" | 27 Hz | 0.51 | 102 L | 849.99 USD |
| T215D2 | 15" | 24 Hz | 0.41 | 88.4 L | — |
| T215D4 | 15" | 25 Hz | 0.43 | 88.4 L | — |
| T2D215 | 15" | 31 Hz | 0.52 | 48.4 L | 134400.00 JPY |
| T2D415 | 15" | 31 Hz | 0.62 | 51.6 L | 134400.00 JPY |
| T2S1-16 | 16" | 28.5 Hz | 0.49 | 84.5 L | 1299.99 USD |
| T2S2-16 | 16" | 28.5 Hz | 0.49 | 90.1 L | 1299.99 USD |
| T3S1-19 | 19" | 27 Hz | 0.32 | 104.9 L | 2199.99 USD |
| T3S2-19 | 19" | 27 Hz | 0.31 | 103.4 L | 2199.99 USD |
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