SP4+ 15" D2

Name: SP4+ 15" D2
Brand: Fi Car Audio
Availability: InStock

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Master impedance matching for your speakers

Ohm's Law & Impedance

Where to Buy

Updated 1/27/2026

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Frequently Asked Questions

What is the Fi Car Audio SP4+ 15" D2?

The Fi Car Audio SP4+ 15" D2 is a car speaker made by Fi Car Audio. View full specifications and where to buy on this page.

How much does the Fi Car Audio SP4+ 15" D2 cost?

The Fi Car Audio SP4+ 15" D2 typically sells for around $850 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the Fi Car Audio SP4+ 15" D2?

You can purchase the Fi Car Audio SP4+ 15" D2 from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.