Down4Sound TCX 18” Subwoofer – Dual 2Ω (2700W RMS)

The Down4Sound TCX 18” D2 delivers massive power, deep response, and clean low-end accuracy. Designed with a 3-inch 8-layer flat aluminum coil, carbon fiber cone, stitched surround, and triple-spider suspension, it’s built to perform at the highest level of power and precision.

The oversized 5-stack Y35 ferrite motor and fully vented design ensure maximum airflow and cooling, letting you unleash full power without thermal issues. From daily systems to SPL builds, this 18” subwoofer hits hard, clean, and consistent.

Key Features:

• 5-stack Y35 ferrite motor for brutal output capability

• 3" 8-layer flat aluminum voice coil for superior heat resistance

• Carbon fiber cone and high-roll surround for low-distortion response

• Fully vented backplate and gap for continuous airflow

• Triple-spider suspension for perfect cone alignment

• Extended pole piece for smooth, long excursion performance

• Built for demo vehicles, daily drivers, or SPL competition use

Specifications:

• RMS Power Handling: 2700W RMS

• Voice Coil: 3” 8-layer flat aluminum (bifilar)

• Impedance: Dual 2Ω (D2)

• Cutout Diameter: 430 mm / 16.93”

• Mounting Depth: 361.95 mm / 14.25”

• Weight: 116 lbs

• Xmax: ~36 mm (one-way)

• Motor Size: 240 mm / 9.45”

• BL: 27.216 T·m

• Resonance Frequency (Fs): 30.21 Hz

• Sensitivity: 83.9 dB

• Recommended Ported Enclosure: 5.5–6.5 cu ft tuned to 30 Hz

Precision Engineering:
Engineered with precision and power in mind, the TCX 18” D2 pushes the limits of what a subwoofer can handle. Its 8-layer coil and rigid cone structure provide unmatched control, clarity, and output at extreme levels.

Summary:
When only the biggest and baddest will do — the TCX 18” D2 delivers. Massive power, clean output, and Down4Sound build quality make it the perfect choice for serious bassheads.