Description
HELIX IK W8 – 8" Dual 2-Ohm Subwoofer
Compact Size. Powerful Bass.
The HELIX IK W8 is designed to deliver exceptional bass performance in minimal space. As part of the HELIX IMPACT series, this 8-inch subwoofer is perfect for custom, tight-fit enclosures without compromising sound quality or output.
High-End Engineering in a Small Package
A stiff, hand-scooped paper cone and a heavy-duty motor assembly give the IK W8 incredible responsiveness and power handling. Thanks to its double-ventilated voice coil and long-excursion surround, this subwoofer produces deep, clean bass without distortion—even at high volumes.
Wiring Flexibility and Installation Ease
Featuring a dual 2-ohm voice coil, the IK W8 provides flexibility for various wiring configurations—ideal for mono, 2-channel, or multi-channel amplifiers. It’s engineered for easy integration into almost any system.
Ready for DIY Builds
The IK W8 includes a solid grille and gasket, with detailed box recommendations to help DIY enthusiasts build the perfect sealed or vented enclosure. Tuning parameters and DSP setup suggestions are also provided for optimal in-car performance.
Key Features
- Dual 2-ohm voice coil for flexible wiring
- Hand-scooped paper cone for tight, musical bass
- Double-vented voice coil for low compression and thermal stability
- Long-excursion rubber surround for high mechanical endurance
- Compact mounting depth for tight spaces
- Push terminals for secure connections
- Protective magnet cover with HELIX branding
- Grille and gasket included
| Parameter | Value |
|---|---|
| Size | 200 mm / 8" |
| Power Handling (RMS / Max) | 300 / 600 Watts |
| Voice Coil Configuration | 2 x 2Ω Dual Voice Coil |
| Impedance | 2 x 2Ω |
| DC Resistance (Re) | 2 x 1.6Ω |
| Resonance Frequency (Fs) | 37 Hz |
| Mechanical Q (Qms) | 3.56 |
| Electrical Q (Qes) | 0.46 |
| Total Q (Qts) | 0.41 |
| Compliance (Cms) | 262 µm/N |
| Equivalent Volume (Vas) | 17 Liters |
| Force Factor (Bl) | 10.7 Tm |
| Sensitivity (2.83V/1m) | 89 dB |
| Sensitivity (1W/1m) | 86 dB |
| Cone Area (Sd) | 219 cm² |
| Moving Mass (Mms) | 69 g |
| Cone Material | Hand-scooped paper |
| Mechanical Resistance (Rms) | 4.54 kg/s |
| Voice Coil Diameter | 50.8 mm |
| Voice Coil Height | 24 mm |
| Max Linear Excursion (Xmax) | ±8.0 mm |
| Outer Diameter | 213.5 mm / 8.40" |
| Mounting Diameter | 182 mm / 7.17" |
| Mounting Depth | 101 mm / 3.98" |
| Unit Type | Single Driver |
| Parameter | Value |
|---|---|
| Net Volume | 8 Liters |
| -3dB Frequency | 50 Hz |
| Recommended DSP Settings |
Highpass: 50 Hz / Q = 1.5 EQ: 115 Hz / Q = 1.0 / -2.5 dB |
| Parameter | Value |
|---|---|
| Net Volume | 8 Liters |
| Port Diameter | 60 mm / 2.36" |
| Port Area | 28 cm² |
| Port Length | 42 cm / 16.5" (angled) |
| Tuning Frequency (Fb) | 43 Hz |
| -3dB Frequency | 45 Hz |
| Recommended DSP Settings | Highpass: 43 Hz / Q = 1.5 EQ: 120 Hz / Q = 0.8 / -3.5 dB |
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