Rockford Fosgate Punch P3SD4-8 8in Dual 4 Ohm 150 Watts Subwoofer

The Rockford Fosgate P3SD4-8 is an 8-inch shallow-mount car subwoofer built for depth-limited installations. It combines 150 watts RMS power handling, dual 4-ohm voice coils, an anodized aluminum cone, and compatibility with sealed or vented enclosures.

$199.99

Out of stock

Description

The Sub At A Glance:

  • Shallow-mount design: Built for depth-limited spaces where a traditional subwoofer cannot be used.
  • Power handling: Handles 150 watts RMS and 300 watts maximum power.
  • Dual 4-ohm voice coils: Provides flexible wiring configurations for different applications.
  • Anodized aluminum cone: Features an anodized aluminum cone and dust cap for a tough, coordinated design.
  • M-Roll Santoprene surround: Supports controlled cone movement with a durable suspension material.
  • StampCast basket: Incorporates integrated spider venting in a rugged frame design.
  • Dual linear spider: Uses embedded 16 AWG tinsel leads.
  • Enclosure flexibility: Optimized for both sealed and vented enclosures.

The Rockford Fosgate P3SD4-8 brings deep, physical bass into vehicles where mounting depth is limited. Its 8-inch shallow design delivers the low-end rumble and impact that fills out music without requiring space for a traditional deep subwoofer. With flexible dual 4-ohm voice coils and support for sealed or vented enclosures, it can adapt to a wide range of compact bass installations.

Subwoofer Specifications
Sub Size 8in
Sub Type Shallow
Sub Power RMS 150 Watts
Sub Max Power 300 Watts
Sub Impedance Dual 4 Ohm
Voice Coils Dual
Voice Coil Diameter 2in (51.6 mm)
Performance & Thiele/Small Parameters
Maximum Linear Excursion (Xmax) 8.5mm
Sound Pressure Level (SPL) @ 1W/1m 82dB
Resonant Frequency (Fs) 39Hz
DC Resistance (Re) 6.0Ohm
Voice Coil Inductance (Le) 1.46mH
Total Q (Qts) 0.87
Electrical Q (Qes) 1.05
Mechanical Q (Qms) 5
Equivalent Compliance Volume (Vas) 15.8Liters
Effective Cone Area (Sd) 220cm²
Fitment & Dimensions
Woofer Displacement 0.040 cu. ft. (1.13 Liters)
Mounting Depth 2.66 in. (67.5 mm)
Cutout Diameter 7.13 in. (181.0 mm)
Magnet Weight (oz) 37.5 oz. (1.06 Kg)
Sealed Box Volume (Vb) 0.25 cu. ft. (7.0 Liters)
Vented Box Volume (Vb) 0.75 cu. ft. (21.2 Liters)
Speaker Connector Dual 10 AWG Compression
Shipping Weight 8.8 Lbs. (3.99 Kg.)

Additional information

Weight 9 lbs
Sub Size

Sub Impedance

Sub Max Power

300 Watts Max

Sub Power RMS

Sub Type

Shallow

Voice Coils

Dual

Series

Punch