Down4Sound TCX 15" Subwoofer D2

Built for high-performance bass and long-lasting durability, the Down4Sound TCX 15" D2 delivers aggressive output with clean, deep low-frequency response. Rated at 2700W RMS and equipped with a 3" 8-layer flat aluminum voice coil, carbon fiber cone, and stitched surround, this subwoofer balances power, control, and precision. A 5-stack Y35 ferrite motor supplies extreme magnetic force, while a vented backplate and dual flared pole vents keep the coil cool at full tilt.

Quick Notes

• RMS Power Handling: 2700W RMS
• Coil: 3" 8-layer flat aluminum
• Impedance: Dual 2Ω (D2)
• Cutout Diameter: 14.05" / 357 mm
• Mounting Depth: 10.0" / 254 mm
• Weight: ~75 lbs
• Xmax: ~35 mm (one-way)
• Motor Size: 240 mm / 9.45"
• Extended Pole Piece: Clean, linear throw
• Dual Flared Pole Vent: Reduced turbulence, smoother airflow
• Rear Gap & Motor Venting: Improved thermal regulation
• Displacement: ~0.22 cu ft

Precision Engineering

The TCX-15 D2 is designed for performance and flexibility. Its Dual 2Ω configuration pairs easily with a wide range of amplifiers, while the 8-layer coil enhances power handling and heat dissipation under heavy use. With a BL product > 28 T·m, the carbon fiber cone stays under control during extreme excursion — delivering clean, musical lows with authority in both daily builds and demo walls.

Technical Specifications

• Resonance Frequency (Fs): 28.9 Hz
• Total Moving Mass (Mms): ~608.7 g
• Suspension Compliance (Cms): ~49.8 µm/N
• Equivalent Volume (Vas): ~37.7 L
• Sensitivity (SPL): 84.3 dB @ 1W / 90.5 dB @ 2.83V
• Qms: 4.91
• Qes: 0.50
• Qts: 0.46
• Outside Diameter: 15.50" / 394 mm

Recommended Enclosure

• Ported Volume: 3.25 – 4.0 cu ft
• Tuning Frequency: 30 – 32 Hz

Why Choose the TCX 15" D2?

If you need hard-hitting bass with consistent output and system flexibility, the TCX-15 D2 delivers. From its massive motor and stitched surround to its advanced venting and carbon fiber cone, every component is engineered for brutal output with clean, controlled response.