Down4Sound TCX 10" Subwoofer D2

The Down4Sound TCX 10" Subwoofer D2 is a deep-hitting, small-frame subwoofer designed for high-demand applications. Featuring a 3" 8-layer flat aluminum voice coil, carbon fiber cone, and 5-stack Y35 ferrite motor, it is optimized for thermal efficiency, maximum output, and reliability at 2Ω loads. Built for both SPL competitors and daily drivers, the TCX-10 D2 delivers massive low-end in a compact frame.

Quick Notes

• RMS Power Handling: 2700W RMS
• Coil: 3" 8-layer flat aluminum
• Impedance: Dual 2Ω (D2)
• Cutout Diameter: 261 mm / 10.28"
• Mounting Depth: 295 mm / 11.61"
• Weight: 102.5 lbs (97.66 lbs net)
• Xmax: ~30 mm (one-way)
• Motor Size: 240 mm / 9.45"
• Extended Pole Piece: Increases excursion control
• Dual Flared Pole Vent: Reduces turbulence and noise
• Full Basket & Gap Venting: Improves coil cooling under heavy load

Precision Engineering

With a BL rating of 28.578 T·m and a low Fs of 39.76 Hz, the TCX-10 D2 balances sensitivity with stiffness for tight, accurate low-end response. Its 8-layer aluminum voice coil enhances current handling and minimizes heat saturation, ensuring consistent performance even during extreme play.

Technical Specifications

• Resonance Frequency (Fs): 39.760 Hz
• Sd: 113.411 cm²
• Mms: 430.207 g
• BL: 28.578 T·m
• Qms: 4.011
• Qes: 0.678
• Qts: 0.582
• No (Efficiency): 0.074%
• Sensitivity: 80.5 dB
• Vas: 7.070 L
• Cms: 37.795 µm/N
• Krm: 53.788 mΩ
• Erm: 0.538
• Kxm: 103.337 mH
• Exm: 0.618

Recommended Enclosure

• Ported Box Volume: 1.25 – 1.75 cu ft
• Tuning Frequency: 34 Hz

Why Choose the TCX 10" D2?

The Down4Sound TCX 10" D2 offers huge bass in a compact frame. With its 5-stack motor, stitched surround, and advanced venting system, this subwoofer delivers tight, controlled, and powerful lows. Whether you’re chasing SPL trophies or daily demo sessions, the TCX-10 D2 is built to perform.