4.5" Speaker & Subwoofer Drivers
The Load Forge catalog contains 39 4.5" drivers from 19 manufacturers. Across the group, resonance (Fs) ranges from 34 to 500 Hz and total Q (Qts) from 0.26 to 3.49, which spans high-efficiency pro mid-bass units and dedicated subwoofer motors. Each driver links to its full enclosure design, port sizing and Thiele/Small parameters.
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Drivers
39
Brands
19
Diameter
4.5"
Fs Range
34–500 Hz
Qts Range
0.26–3.49
Price Range
1.44–450
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All 4.5" Speaker & Subwoofer Drivers — parameters & designs
| Model | Brand | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|---|
| 15H 52 10 02 SD | AudioTechnology | 4.5" | 70 Hz | 0.3 | 8 L | 250.00 USD |
| CW-125B20U 4-1/2" Paper Cone Woofer 8 Ohm | Coast Buyouts | 4.5" | 90.9 Hz | 0.656 | 3.4 L | 3.98 USD |
| Datsun ZB-551R/B7340-B5010 4-1/2" Paper Cone Replacement Speaker 4 ohm | Coast Buyouts | 4.5" | 120.6 Hz | 1.79 | 5.4 L | 2.44 USD |
| EAS15S03F9 2-1/2" X 5-1/4" Full Range Speaker 8 Ohm | Coast Buyouts | 4.5" | 171.5 Hz | 2.149 | 1.6 L | 1.44 USD |
| CF120-4 4-1/2" Woven Carbon Fiber Midwoofer 4 O | Dayton Audio | 4.5" | 53.2 Hz | 0.28 | 4.8 L | 62.45 EUR |
| CFC120-4 | Dayton Audio | 4.5" | 57 Hz | 0.45 | 4.5 L | — |
| CFC120-8 | Dayton Audio | 4.5" | 60 Hz | 0.56 | 4.6 L | — |
| Eikona 2 | E.J. Jordan | 4.5" | 60 Hz | 0.35 | 8.5 L | 420.00 EUR |
| JX92S | E.J. Jordan | 4.5" | 55 Hz | 0.36 | 9 L | 380.00 EUR |
| Marlow | E.J. Jordan | 4.5" | 50 Hz | 0.33 | 10 L | 450.00 EUR |
| EAS15S03F9 2-1/2" X 5-1/4" Full Range Speaker 8 Ohm | Factory Buyouts | 4.5" | 171.5 Hz | 2.149 | 1.6 L | 1.44 USD |
| FE126NV | Fostex | 4.5" | 79.1 Hz | 0.34 | 8.5 L | 76.40 EUR |
| FE126NV2 | Fostex | 4.5" | 79.1 Hz | 0.34 | 8.5 L | 76.40 USD |
| 4FR-8 Full-Range 4-1/2" Speaker Pioneer Type A11EC80-02F | GRS | 4.5" | 127 Hz | 0.7 | 1.7 L | 15.99 USD |
| RSB901-1 | GRS | 4.5" | 83.4 Hz | 0.36 | 6.8 L | 44.95 EUR |
| RSB901-1 Replacement Speaker Driver for Bose 901 4-1/2" 1 Ohm | GRS | 4.5" | 84.1 Hz | 0.37 | 6.8 L | 44.95 EUR |
| HEX 4 C C | Hertz | 4.5" | 123.4 Hz | 0.88 | 1.5 L | — |
| HEX 4 C W | Hertz | 4.5" | 123.4 Hz | 0.88 | 1.5 L | — |
| PSM 120/8 | Isophon | 4.5" | 120 Hz | 0.6 | 1.2 L | 60.00 EUR |
| 2105H | JBL | 4.5" | 200 Hz | 0.53 | 1 L | — |
| LE5-10 | JBL | 4.5" | 250 Hz | 1 | 0.7 L | — |
| 2104H | JBL Professional | 4.5" | 207 Hz | 0.66 | 1 L | — |
| 2105H | JBL Professional | 4.5" | 200 Hz | 0.53 | 1 L | — |
| LE5-10 | JBL Professional | 4.5" | 250 Hz | 1 | 0.7 L | — |
| 114-WB08-01 | MISCO | 4.5" | 101 Hz | 0.51 | 4.5 L | — |
| SP-4/60PRO | Monacor | 4.5" | 92 Hz | 0.6 | 3 L | 29.02 EUR |
| GBX-65X140N25AL00-04 | Peerless | 4.5" | 64 Hz | 0.78 | 1.1 L | 64.95 EUR |
| 12W/4524G00 | Scan-Speak | 4.5" | 50 Hz | 0.27 | 7.9 L | 68.00 EUR |
| 12W/8524G00 | Scan-Speak | 4.5" | 52 Hz | 0.32 | 7.9 L | 68.00 EUR |
| H0453_MP12VC | SEAS | 4.5" | 90 Hz | 0.44 | 2.9 L | — |
| W12CY001 | SEAS | 4.5" | 34 Hz | 0.26 | 30 L | 399.95 EUR |
| W4-2089 4.5" RBM Mini Subwoofer | Tang Band | 4.5" | 35 Hz | 0.33 | 4 L | 119.98 USD |
| W4-2315 | Tang Band | 4.5" | 65 Hz | 0.29 | 5 L | 209.00 EUR |
| BG 13 P - 8 Ohm | Visaton | 4.5" | 168 Hz | 1.04 | 2 L | 18.14 EUR |
| MR 130 - 8 Ohm | Visaton | 4.5" | 500 Hz | 3.49 | 0.1 L | 23.00 EUR |
| T 130 4 OHM | Visaton | 4.5" | 80 Hz | 0.85 | 3.3 L | — |
| WF118WA02 4-1/2" Paper Cone Mid-Woofer 8 Ohm | Wavecor | 4.5" | 65 Hz | 0.44 | 4.2 L | 56.00 USD |
| WF118WA07 4-1/2" Balanced Drive Paper Cone Mid-Woofer with Truncated Frame 4 Ohm | Wavecor | 4.5" | 56 Hz | 0.36 | 4.8 L | 63.00 USD |
| WF118WA08 4-1/2" Balanced Drive Paper Cone Mid-Woofer with Truncated Frame 8 Ohm | Wavecor | 4.5" | 58 Hz | 0.36 | 4.8 L | 63.00 USD |
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