JL Audio 6W3V3-4 6.5" 16.5cm W3 Series Car Sub Subwoofer Driver 4ohm 150w RMS

JL Audio 6W3V3-4 6.5" 16.5cm W3 Series Car Sub Subwoofer Driver 4ohm 150w RMS


6.5-inch (165 mm) Subwoofer Driver, 4 Ω



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Product Information

W3v3 6.5-inch Subwoofer (150 W, 4 Ω)

If you need a small-format subwoofer that really delivers in extremely small enclosures, this is where your search ends. The 6W3v3 is a true subwoofer, through-and-through. It employs the same technologies as its larger diameter brethren to deliver a whopping 0.35 in. (8.9 mm) one-way linear excursion.

The 6W3v3-4 is best used with amplifier power in the 50W - 150W range and is optimized to operate in a tiny 0.15 cu. ft. (4.2 l) sealed enclosure, or a 0.25 cu. ft. (7.1 l) ported enclosure. Detailed enclosure recommendations can be found in the "Specifications" tab.

Dynamic Motor Analysis - DMA Optimized Motor

JL Audio's proprietary Dynamic Motor Analysis system is a powerful suite of FEA-based modeling systems, first developed by JL Audio in 1997 and refined over the years to scientifically address the issue of speaker motor linearity. This leads to vastly reduced distortion and faithfully reproduced transients... or put simply: tight, clean, articulate bass.

Elevated Frame Cooling 

JL Audio's patented Elevated Frame Cooling design delivers cool air through slots directly above the top-plate to the voice coil of the speaker. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.

Floating Cone Attach Method - FCAM™ 

This assembly technique, conceived by JL Audio, ensures proper surround geometry in the assembled speaker for better excursion control and dynamic voice coil alignment.

Vented Reinforcement Collar

JL Audio's Vented Reinforcement Collar (VRC®) improves the rigidity and stability of the cone/spider/voice coil junction and directs airflow over the voice coil windings for improved thermal performance.


  • Continuous Power Handling (RMS)    150 W
  • Recommended Amplifier Power (RMS)    50 - 150 W
  • Nominal Impedance (Znom)    4 Ω
  • Nominal Diameter    6.5 in / 165 mm
  • Overall Diameter (A)    6.85 in / 174 mm
  • Mounting Hole Diameter (B)    5.5 in / 140 mm
  • Bolt Hole Circle Diameter (C)    6.125 in / 156 mm
  • Motor Outer Diameter (D)    4.25 in / 108 mm
  • Mounting Depth (E)    4.25 in / 108 mm
  • Driver Displacement    0.02 cu ft / 0.57 L
  • Net Weight    6.1 lb / 2.8 kg
  • Free Air Resonance (Fs)    41.80 Hz
  • Electrical “Q” (Qes)    0.533
  • Mechanical “Q” (Qms)    11.027
  • Total Speaker “Q” (Qts)    0.508
  • Equivalent Compliance (Vas)    0.181 cu ft / 5.13 L
  • One-Way Linear Excursion (Xmax)*    0.35 in / 8.89 mm
  • Reference Efficiency (no)    0.07%
  • Efficiency (1 W / 1 m)**    80.49 dB SPL
  • Effective Piston Area (Sd)    17.36 sq in / 0.0112 sq m
  • DC Resistance (Re)    3.476 Ω

* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.

** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.

What's Included

  • 6W3v3-4
  • Black plastic trim ring
  • Owner's Manual

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