Fi Car Audio Speaker Drivers
Fi Car Audio is represented in the Load Forge catalog by 57 speaker drivers, covering 10" to 18". Resonance (Fs) spans 25.2–41 Hz and total Q (Qts) 0.25–0.55, 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
57
Diameter
10"–18"
Fs Range
25.2–41 Hz
Qts Range
0.25–0.55
Price Range
269.95–1300
All Fi Car Audio Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| SW-Xv4-10 | 10" | 41 Hz | 0.31 | 7.1 L | 390.00 USD |
| Xv4 Series 10 | 10" | 41 Hz | 0.31 | 7.1 L | 390.00 USD |
| Alpha Series 12 | 12" | 36.2 Hz | 0.41 | 25.9 L | 350.00 USD |
| HC Plus Series 12 | 12" | 33.9 Hz | 0.25 | 24.9 L | 725.00 USD |
| HC Series 12 | 12" | 33.9 Hz | 0.25 | 24.9 L | 650.00 USD |
| MT Series 12 | 12" | 34.3 Hz | 0.35 | 17.2 L | 800.00 USD |
| NEO 3.5 12 | 12" | 29.6 Hz | 0.38 | 26.1 L | 750.00 USD |
| NEO 3.7 12 | 12" | 34.1 Hz | 0.33 | 22.2 L | 850.00 USD |
| NEO 3.9 12 | 12" | 39.3 Hz | 0.28 | 17.9 L | 950.00 USD |
| NEO 4.11 12 | 12" | 36.1 Hz | 0.27 | 17.1 L | 1250.00 USD |
| NEO 4.9 12 | 12" | 32.8 Hz | 0.42 | 20.7 L | 274.95 USD |
| SW-ALPHA-12 | 12" | 36.2 Hz | 0.41 | 25.9 L | — |
| SW-ALPHA-15 | 12" | 36.2 Hz | 0.41 | 25.9 L | — |
| SW-HC-12 | 12" | 33.9 Hz | 0.25 | 24.9 L | — |
| SW-HC-15 | 12" | 33.9 Hz | 0.25 | 24.9 L | — |
| SW-HC-18 | 12" | 33.9 Hz | 0.25 | 24.9 L | — |
| SW-MT-12 | 12" | 34.3 Hz | 0.35 | 17.2 L | — |
| SW-MT-15 | 12" | 34.3 Hz | 0.35 | 17.2 L | — |
| SW-MT-18 | 12" | 34.3 Hz | 0.35 | 17.2 L | — |
| SW-NEO35-12 | 12" | 29.6 Hz | 0.38 | 26.1 L | 750.00 USD |
| SW-NEO37-12 | 12" | 34.1 Hz | 0.33 | 22.2 L | 850.00 USD |
| SW-NEO37-15 | 12" | 34.1 Hz | 0.33 | 22.2 L | 875.00 USD |
| SW-NEO37-18 | 12" | 34.1 Hz | 0.33 | 22.2 L | 900.00 USD |
| SW-NEO39-15 | 12" | 39.3 Hz | 0.28 | 17.9 L | 975.00 USD |
| SW-NEO39-18 | 12" | 39.3 Hz | 0.28 | 17.9 L | 1000.00 USD |
| SW-NEO411-12 | 12" | 36.1 Hz | 0.27 | 17.1 L | 1250.00 USD |
| SW-NEO411-15 | 12" | 36.1 Hz | 0.27 | 17.1 L | 1275.00 USD |
| SW-NEO411-18 | 12" | 36.1 Hz | 0.27 | 17.1 L | 1300.00 USD |
| SW-NEO47-12 | 12" | 32.8 Hz | 0.42 | 20.7 L | 269.95 USD |
| SW-NEO47-15 | 12" | 32.8 Hz | 0.42 | 20.7 L | 1075.00 USD |
| SW-NEO47-18 | 12" | 32.8 Hz | 0.42 | 20.7 L | 1100.00 USD |
| SW-NEO49-12 | 12" | 32.8 Hz | 0.42 | 20.7 L | 1150.00 USD |
| SW-NEO49-15 | 12" | 34.2 Hz | 0.35 | 19.3 L | 1175.00 USD |
| SW-NEO49-18 | 12" | 34.2 Hz | 0.35 | 19.3 L | 1200.00 USD |
| SW-Xv4-12 | 12" | 40.1 Hz | 0.47 | 16.1 L | 400.00 USD |
| SW-Xv4-15 | 12" | 40.1 Hz | 0.47 | 16.1 L | 415.00 USD |
| SW-Xv4-18 | 12" | 40.1 Hz | 0.47 | 16.1 L | 450.00 USD |
| Xv4 Series 12 | 12" | 40.1 Hz | 0.47 | 16.1 L | 400.00 USD |
| Alpha Series 15 | 15" | 34.7 Hz | 0.52 | 61 L | 375.00 USD |
| MT Series 15 | 15" | 32.2 Hz | 0.37 | 49 L | 299.95 USD |
| NEO 3.5 15 | 15" | 30.4 Hz | 0.43 | 74.5 L | 775.00 USD |
| NEO 3.7 15 | 15" | 33.3 Hz | 0.37 | 63 L | 875.00 USD |
| NEO 3.9 15 | 15" | 36 Hz | 0.31 | 50.9 L | 975.00 USD |
| NEO 4.11 15 | 15" | 33.6 Hz | 0.29 | 48.8 L | 524.95 USD |
| NEO 4.7 15 | 15" | 30.4 Hz | 0.44 | 59 L | 299.95 USD |
| NEO 4.9 15 | 15" | 32 Hz | 0.37 | 55.2 L | 304.95 USD |
| Xv4 Series 15 | 15" | 39.3 Hz | 0.55 | 40 L | 415.00 USD |
| BTL v3 18 | 18" | 29.8 Hz | 0.31 | 160 L | 799.00 USD |
| HC Series 18 | 18" | 32.4 Hz | 0.34 | 126.3 L | 700.00 USD |
| MT Series 18 | 18" | 31.7 Hz | 0.43 | 95.4 L | 850.00 USD |
| NEO 3.5 18 | 18" | 27.6 Hz | 0.52 | 159.7 L | 800.00 USD |
| NEO 3.7 18 | 18" | 29.9 Hz | 0.43 | 121 L | 900.00 USD |
| NEO 3.9 18 | 18" | 32.1 Hz | 0.33 | 120 L | 1000.00 USD |
| NEO 4.11 18 | 18" | 33.4 Hz | 0.33 | 95.1 L | 329.95 USD |
| NEO 4.7 18 | 18" | 29.1 Hz | 0.5 | 126.6 L | 329.95 USD |
| NEO 4.9 18 | 18" | 31.7 Hz | 0.42 | 111.3 L | 334.95 USD |
| Q v4 18 | 18" | 25.2 Hz | 0.34 | 240 L | 549.00 USD |
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