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Rockford Fosgate P3D4-15 Subwoofer

Name: Rockford Fosgate P3D4-15 Subwoofer
Brand: Rockford Fosgate
Price: 339.99 USD
Availability: OutOfStock

The Rockford Fosgate P3D4-15 is a high-performance subwoofer featuring a 3-inch cone with dual 4 voice coil configuration. Designed for deep bass reproduction and high SPL output.

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Specifications

voice coil config

Thiele-Small Parameters

Measured at small signal levels per AES standards

Electromechanical

F_s(Resonant frequency)

22.4 Hz

R_e(DC resistance)

6.4 Ω

L_e(Inductance)

6.45 mH

Q Factors

Q_ts(Total Q)

0.57

Q_es(Electrical Q)

0.64

Q_ms(Mechanical Q)

4.9

Compliance & Mass

V_as(Equiv. volume)

155.8 L

S_d(Piston area)

894 cm²

Excursion

X_max(Linear excursion)

15.9 mm

Sensitivity

SPL₀(1W/1m)

86 dB

Power Handling

P_e(RMS power)

600 W

Parameters measured per AES2-1984 (r2003) standards. Small-signal parameters valid within linear operating region.

Where to Buy

Updated 4/12/2026

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Frequently Asked Questions

What is the Rockford Fosgate P3D4-15?

The Rockford Fosgate P3D4-15 is a car audio equipment made by Rockford Fosgate. View full specifications and where to buy on this page.

How much does the Rockford Fosgate P3D4-15 cost?

The Rockford Fosgate P3D4-15 typically sells for around $340 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the Rockford Fosgate P3D4-15?

You can purchase the Rockford Fosgate P3D4-15 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.