DOWN4SOUND TCX 12" SUBWOOFER- 1 OR 2 OHM DVC | 2700W RMS

The DOWN4SOUND TCX 12” Subwoofer D1 is precision-engineered for aggressive output and long-term durability. Featuring a 3" 8-layer flat aluminum voice coil, carbon fiber cone, stitched surround, and a massive 5-stack Y35 ferrite motor, it delivers raw output with total control.

This sub is thermally optimized through full venting on the motor, backplate, and pole piece — allowing you to push full power without losing performance.

QUICK NOTES:

• RMS Handling: 2700W RMS
• Coil Size: 3 Inch – 8 Layer Flat Aluminum
• Impedance: Dual 1 Ohm (D1)
• Cutout Diameter: 283 mm / 11.14 in
• Mounting Depth: 311.15 mm / 12.25 in
• Weight: 104.3 lbs (98.77 lbs without packaging)
• Xmax: ~35 mm (one-way)
• Motor Size: 240 mm (9.45 in)
• Extended pole piece for linear throw
• Dual flared pole vent for smooth coil cooling
• Fully vented motor and backplate
• Super High Performance 3" 8-layer flat wire voice coil (bifilar) - 0.3mm anodized ALU former - winding width spec for 3.2" (81mm) +/- 2mm

PRECISION ENGINEERING:
With a BL product of 20.200 T·m and Fs of 36.451 Hz, the TCX-12 D1 hits low, clean, and consistently. The 8-layer coil boosts thermal durability and current capacity, allowing you to run it hard without failure.

Combined with a rigid cone and triple-spider suspension, this sub stays tight and responsive — no matter how deep you tune.

TECHNICAL SPECIFICATIONS:

• Resonance Frequency (Fs): 36.451 Hz
• Sd: 113.411 cm²
• Mms: 507.996 g
• BL: 20.200 T·m
• Qms: 3.949
• Qes: 0.458
• Qts: 0.396
• No (Efficiency): 0.108%
• Sensitivity (SPL): 83.5 dB
• Vas: 9.179 L
• Cms: 41.047 μm/N
• Krm: 38.767 mOhm
• Erm: 0.620
• Kxm: 92.944 mH
• Exm: 0.594

RECOMMENDED ENCLOSURE:

• Ported Box Volume: 2.0 – 2.5 cu ft
• Tuning Frequency: 32 Hz
• TCX-12 | Port Area: 70L | Displacement: 1531.04 cm³