Best Sounding 12-Inch Subwoofers for Your Car
If you want to elevate your car audio experience, investing in a high-quality subwoofer can signi...
Read Article →Image Dynamics
SKU: IDQ10 D2 V4
The Image Dynamics IDQ10 V4 is the quintessential sound quality subwoofer, developed to provide incredible dynamic impact and brilliantly defined tonal accuracy. Designed for the listener who values musicality over raw noise, the IDQ10 V4 excels at reproducing the texture of acoustic instruments and the sharp transients of modern electronic music.

Unlike traditional subwoofers, the IDQ10 V4 features a bolt-on Field-Replaceable Cone Assembly. This allows for quick DIY repairs or impedance swaps without glue, ensuring your system is never down for long. The construction utilizes a Mica-reinforced polypropylene cone and a Nomex spider for consistent control and longevity across its entire 14.5mm Xmax range.
The IDQ10 V4 is famous for its performance in "compact" footprints. Whether it is a small 0.6 cu. ft. sealed box for tight, accurate response or a 1.0 cu. ft. ported design for increased efficiency and low-end rumble, this driver remains composed and linear. It is the perfect anchor for any high-end mobile audio system.
| RMS Power | 500 Watts |
| Impedance | Dual 2-Ohm or Dual 4-Ohm |
| Sensitivity (1w/1m) | 84.5 dB |
| Fs (Resonant Frequency) | 31.77 Hz |
| Xmax (Linear) | 14.5 mm |
| Mounting Depth | 5.81" (147.5 mm) |
| Cutout Diameter | 9.57" (243 mm) |
| Voice Coil Diameter | 2.0" (50 mm) |
Pro Tip: EBP is just one factor in enclosure design. Always use complete Thiele-Small parameters and modeling software for optimal results. Our custom enclosures are engineered specifically for each subwoofer's parameters.
The Efficiency Bandwidth Product (EBP) is calculated by dividing the subwoofer's resonant frequency (Fs) by its electrical damping (Qes). This single number helps predict which enclosure type will work best with your subwoofer.
| Enclosure | Volume (Net) | Tuning |
|---|---|---|
| Sealed (Compact) | 0.6 cu. ft. | N/A |
| Sealed (Recommended) | 1.1 cu. ft. | N/A |
| Ported (Recommended) | 1.0 - 1.45 cu. ft. | 35 Hz |
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