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Fi audio SP4 Plus 18 inch subwoofer
4.4 (147 items)
Limited Time SaleUntil the end
16
15
50
$520.00 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
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New $1,300.00
Product details
| Management number | 5719640 | Release Date | 2025/08/18 | List Price | $780.00 | Model Number | 5719640 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
18 inch Fi audio SP4 Plus subwoofer. Fresh recone from Fi audio ($400 look it up) . Fi no longer makes these subwoofers but they are monsters . 3,500 watts rms (definitely under rated ) Great SPL or SQ subwoofer. Built for ported , 4th order or 6th order boxes . Not even broken in yet . Put a little power to it to make sure everything is working well . Had it in a 7 cubic foot box and it got down .
| Category | Electronics > Car audio, video & gps > Car subwoofers |
|---|---|
| Size | N/A |
| Brand | None |
| Condition | Like new |
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