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Rockford Fosgate T1D412 Subwoofer - 12-inch, Dual 4-Ohm DVC - Black rubber surround, aluminum cone, cast aluminum basket, large magnet, push terminals

Rockford Fosgate t1d412 Accessory

Name: Rockford Fosgate t1d412 Accessory
Brand: Rockford Fosgate
Price: 539.99 USD
Availability: OutOfStock

The Rockford Fosgate t1d412 is a high-performance subwoofer featuring a 1-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)

29.2 Hz

R_e(DC resistance)

6.5 Ω

L_e(Inductance)

2.4 mH

Q Factors

Q_ts(Total Q)

0.61

Q_es(Electrical Q)

0.71

Q_ms(Mechanical Q)

4.5

Compliance & Mass

V_as(Equiv. volume)

55.8 L

Excursion

X_max(Linear excursion)

16 mm

Sensitivity

SPL₀(1W/1m)

85 dB

Power Handling

P_e(RMS power)

800 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 t1d412?

The Rockford Fosgate t1d412 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 t1d412 cost?

The Rockford Fosgate t1d412 typically sells for around $540 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 t1d412?

You can purchase the Rockford Fosgate t1d412 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.