Tunex Zen 12" 1000rms Subwoofer TX1210-D4

TX-1210D4 – ZEN 12" Subwoofer

Tunex Performance Promise

Step into serious sound with the Tunex TX-1210D4 – our ZEN Series subwoofers that punches far above its class. Designed for everyday car audio enthusiasts who expect reliable performance, this 12” dual 4-ohm subwoofer is built to deliver deep, clean bass that never disappoints.

Whether you’re upgrading a factory system or starting your first build, the TX-1210D4 brings high-quality Tunex craftsmanship with a focus on durability, efficiency, and clarity — all at an accessible price point.

Key Features: 

• High-performance motor design for powerful low-end response 
• Tunex-tuned suspension for accurate cone control
• Heavy-duty construction built to handle real-world installs
• Perfect match for budget-conscious but performance-focused systems
• Ripped Foam Surround
• Copper Dual Voice Coil
• Dual Tensile Leads
• High Grade Y35 Ferrite Magnet 

Specifications:

Tunex TX-1210D4 – Dual 4 Ohm 12” Subwoofer (Parallel Wiring)

• Impedance (Imp): 2 Ohm
• DCR: 1.65 Ohm
• Resonant Frequency (Fs): 31.938 Hz
• Surface Area (Sd): 47.535 msqM
• Force Factor (BL): 14.301 Tm
• Qms: 3.819
• Qes: 0.389
• Qts: 0.353
• SPL (1W/1m): 86.1 dB
• VAS: 33.573 L
• (Cms): 0.106 mm/N
• Moving Mass (Mms): 238.645 g
• Diaphragm Mass (Mmd): 232.781 g
• Max Excursion (Xmax): ±13 mm

Tunex TX-1210D4 – Dual 4 Ohm 12” Subwoofer (Series Wiring)

• Impedance (Imp): 8 Ohm
• DCR: 6.6 Ohm
• Resonant Frequency (Fs): 31.884 Hz
• Surface Area (Sd): 47.535 msqM
• Force Factor (BL): 25.895 Tm
• Qms: 4.458
• Qes: 0.453
• Qts: 0.411
• SPL (1W/1m): 86.2 dB
• VAS: 34.219 L
• (Cms): 0.108 mm/N
• Moving Mass (Mms): 229.687 g
• Diaphragm Mass (Mmd): 223.822 g
• Max Excursion (Xmax): ±13 mm
  

Ported Enclosure Volume: 49.5 - 78 Litres