







Down4Sound TCX 10" Subwoofer 2700W RMS
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The DOWN4SOUND TCX-10 D2 is engineered for builders who demand maximum output from a compact 10-inch subwoofer. Designed for high-current systems and aggressive use, this subwoofer delivers a staggering 2700W RMS while maintaining control, thermal stability, and long-term durability.
Built around a 3-inch 8-layer flat aluminum voice coil, carbon fiber cone, and a heavy-duty 5-stack Y35 ferrite motor, the TCX-10 D2 is optimized for dual 2-ohm wiring, extreme excursion, and sustained high-power play. This is not a casual 10-inch sub — it is a compact weapon for serious systems.
Key Features
- 2700W RMS power handling
- Dual 2-ohm voice coil (D2)
- 3-inch 8-layer flat aluminum voice coil
- Carbon fiber cone for rigidity and low distortion
- 33 mm one-way Xmax
- Heavy-duty 5-stack Y35 ferrite motor
- Stitched high-roll surround
- Triple-spider suspension system
- Fully vented motor, basket, and backplate for enhanced cooling
Technical Specifications (T/S Parameters)
- Resonance Frequency (Fs): 39.76 Hz
- Qms: 4.011
- Qes: 0.678
- Qts: 0.582
- Moving Mass (Mms): 430.2 g
- Compliance (Cms): 37.80 µm/N
- Vas: 7.07 L
- Sd: 113.41 cm²
- BL Product: 28.58 T·m
- Sensitivity (SPL): 80.5 dB
- Xmax: ~33 mm (one-way)
- Displacement: 0.23 cu ft
Engineering and Construction
- Extended pole piece for improved linear control
- Dual flared pole vent to reduce air turbulence
- Fully vented motor structure for maximum thermal efficiency
- Triple-spider suspension for stability under extreme excursion
- Precision-wound 3-inch 8-layer flat aluminum voice coil for high-current handling
- Carbon fiber cone minimizes flex under extreme load
Built to survive high power, long play sessions, and real-world abuse without loss of control or reliability.
Recommended Enclosure
- Ported enclosure volume: 1.25 – 1.75 cu ft
- Recommended tuning frequency: 34 Hz
- Optimized for tight, aggressive bass in compact enclosures
Physical Dimensions (Key Installation Specs)
- Cutout Diameter: 10.03 in (255 mm)
- Overall Diameter (Top Gasket): 11.42 in (290 mm)
- Mounting Depth: 11.50 in (292 mm)
- Motor Diameter: 10.28 in (261 mm)
- Net Weight: 97.66 lb
- Gross Weight: 102.5 lb
Why You Should Buy
- True 2700W RMS output from a compactly massive 10-inch platform
- Designed for high-current, low-impedance system builds
- Exceptional thermal management and mechanical control
- Compact size with big-sub behavior
- Maximum output per cubic foot for serious builds
Ideal Applications
- High-power daily-driven systems
- SPL-focused builds using multiple compact subwoofers
- Vehicles with limited enclosure space and upgraded electrical
- Builders seeking extreme output without stepping up in size
- Serious audio systems where normal 10s are not enough
Authorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.


