HELIX IK S12-SVC2 12" Slim Subwoofer – Deep Bass, Compact Design

HELIX IK S12-SVC2 - 12" 300W RMS Slim Subwoofer | 2Ω

Experience deep bass with the HELIX IK S12-SVC2 12" slim subwoofer. Perfect for compact installs, 300W RMS, 2Ω, gold-plated terminals, grille & gasket included.

If you're chasing absolutely stunning bass performance without sacrificing space, the HELIX IK S12-SVC2 is your go-to low bass specialist. Designed for Aussie car audio enthusiasts who demand maximum performance from shallow installs, this 12-inch subwoofer boasts an extremely low installation depth of just 96mm, unlocking new installation possibilities in tight spots without any acoustic compromises.

Built with a heavy-duty drive system and enormously stiff sandwich paper cone, it converts amplifier power into powerful sound pressure with precision, simultaneously demonstrating finesse on subtle beats. Whether you’re rocking sealed or vented enclosures, this subwoofer delivers deep, punchy bass that rivals much larger woofers.

Features

• Particularly low installation depth (96mm) for compact enclosure designs and flat constructions

• 1 x 2 Ohms single voice coil configuration for flexible amplifier compatibility

• Magnet system with threaded hole on the back allows mounting to the enclosure panel, reducing vibrations even with thin walls

• Extremely stiff sandwich paper cone with long-excursion rubber surround for superior mechanical durability and sound quality

• Rugged magnet cover with HELIX branding for lasting protection

• Included high quality connection terminal with gold plated screw terminals for optimal connectivity

• Comes with a solid protective grille and gasket included for DIY installations

• Recommended for sealed enclosures (22L) and vented enclosures (40L) with detailed tuning specs available in the technical data sheet

Technical Specifications

Power Handling RMS / Max: 300 / 600 Watts
Impedance: 1 x 2 Ω
DC Resistance (Re): 2.0 Ω
Resonance Frequency (Fs): 34 Hz
Mechanical Q Factor (Qms): 5.37
Electrical Q Factor (Qes): 0.50
Total Q Factor (Qts): 0.46
Compliance (Cms): 95 μm/N
Equivalent Air Volume (Vas): 37 L
Force Factor (B*I): 14.1 Tm
Sensitivity SPL: 94.0 dB @ 2.83V / 1m
Cone Area (Sd): 523 cm²
Moving Mass (Mms): 229 g
Cone Material: Sandwich paper cone
Mechanical Resistance (Rms): 9.2 kg/s
Voice Coil Diameter: 50.8 mm
Voice Coil Winding Height: 24 mm
Max Linear Excursion (Xmax): ±8.0 mm
Outer Diameter: 316 mm / 12.44"
Installation Diameter: 276.8 mm / 10.90"
Installation Depth: 95.5 mm / 3.76"

Recommended Enclosures & DSP Settings

• Sealed Box:

  • Net Volume: 22 L

  • Lower limiting frequency (-3dB): 39 Hz

  • Recommended DSP: Highpass filter at 35 Hz, Q=1.5; EQ filter at 75 Hz, Q=1.5, -3 dB

• Vented Box:

  • Net Volume: 40 L

  • Port Diameter: 100 mm / 3.94"

  • Port Area: 78 cm²

  • Port Length: 32 cm / 12.6"

  • Port Tuning Frequency (Fb): 36 Hz

  • Lower limiting frequency (-3dB): 37 Hz

  • Recommended DSP: Highpass filter at 36 Hz, Q=1.0; EQ filter at 75 Hz, Q=0.7, -2 dB

What’s in the Box?

• 1 x HELIX IK S12-SVC2 Subwoofer

• 1 x Protective Grille

• 1 x Gasket

• 1 x Enclosure Connecting Terminal

• 1 x Technical Data Sheet

Why Choose the HELIX IK S12-SVC2?

Ideal for those who want deep bass in flat constructions or compact enclosure designs, this subwoofer is a game-changer for installations where depth counts. Its large voice coils and low resonant frequency ensure you get powerful, distortion-free bass that punches well above its size.

Whether you're a DIY installer or a seasoned pro, the included solid protective grille, gasket, and high-quality connection terminal with gold-plated screw terminals make it easy to achieve optimal bass performance.

Upgrade your ride with the HELIX IK S12-SVC2 and enjoy bass that’s as tight and clean as it is thunderous — perfect for Aussie car audio enthusiasts who demand the best without compromise.