• 12″ (30.5 cm)
  • Basket: stamped steel
  • Voice coil: 2.4″ (60 mm)
  • Lead wires: silver plated
  • Diffuser: unpressed cellulose
  • Power: 351 w / 701 w
  • Resistance: 2×2Ω
  • Magnet weight: 48 Oz (1.36 kg)
  • Sensitivity: 84.3 dB
  • Total quality factor (Qts): 0.899
  • Resonance frequency (FS): 33 Hz
  • EAN: 4680136862305

Package bundle

Check the subwoofer package and make sure that the package contains: 1. Subwoofer 2. Instructions, warranty card 3. Car sticker 4. Fasteners


This user manual contains important safety precautions and information about the correct use of the device. Please carefully follow all instructions provided in this manual. 1. When installing the device, avoid places with high temperature, humidity, or places with a lot of dust. 2. Make sure that the device and, in particular, its installation accessories are out of the reach of children. 3. Do not drop the device or subject it to shock as this may cause damage. 4. Do not disassemble the device by yourself. This may void your warranty. 5. Do not use alcohol, thinners or benzene to clean parts of the device. For cleaning, use only a dry, soft cloth.

Diameter: 12" (30.5 cm)
RMS/MAX Power: 351 / 701 W
Frequency range: 30-400 Hz
Sensitivity 84.3 dB
Resistance: 2x2 ohm
Voice coil diameter: 2.4" (60.1 mm)
Magnetic system weight 48 Oz (1.36 kg)
Resonant Frequency (Fo): 33 Hz
Mechanical quality factor (Qms): 5.277
Electrical quality factor (Qes): 0.956
Total quality factor (Qts): 0.899
Equivalent volume (Vas): 57,871
Movable system mass (Mms): 157 g
Strength factor (BL): 10.8
Coil resistance, Ohm (Re): 1.9 + 1.9
Effective diffuser area (Sd): 279 cm2
Suspension flexibility, mkm/H (Cms): 158.7
Reference Efficiency (No): 0.205%
Xmax: 18 mm
Instruction Manual Fireball-12.D2