• 800W RMS capacity
  • 75mm(3 in) inside-outside BACCAW voice coil
  • 30-500Hz response
  • 89 dB sensitivity
  • 4+4Ω nominal impedance

SW1255 is a branch of the best-selling series, as a superior subwoofer for a variety of vehicles, it provides heavy bass with a stable structure.

Away from the hustle and bustle, it is suitable for us to feel the touch of pure music. Vocal fidelity has penetrating power, restores the true appearance of music rhythm, and gives you a superb music experience.

Nominal Diameter 12/300 in/mm
MAX Power 1600 Watts
RMS Power 800 Watts
Impedance 4+4 Ohm
Resonance Frequency 55 Hz
Frequency Response 30-500 Hz
Sensitivity(1W/1m) 89 dB
Voice Coil Diameter 3”/75mm
Voice Coil Material BACCAW
Magnet 231 Oz
Magnet 233 OZ
FS Hz 55 Hz
RE Ohms 2 ohm
Qms 12.6
Qes 2.2
Qts 1.9
BL T/m 15 T/m
MMS(grams) 188 grams
Xmax(mm) 19 mm
Sd(cm²) 511 cm²
Efficiency % 0.20%
Le(1k Hz) 0.7 mH
EBP 63 Hz
Overall Diameter 12 /312 in/mm
Bolt Circle Diameter 11.5/294 in/mm
Baffle cutout Diameter 10.7 /274 in/mm
Depth 7.8 /200 in/mm
Net Weight 14.4 kgs
Shipping Weight 15.4 kgs
Shipping Box 38.5X38.5X26.5cm

  • 3’’ BACCAW (Aluminum-magnesium alloy oxygen-free copper) voice coil wounded for hi-temp performance, 4+4 ohms
  • 2,000 watts max power continuous program power rating makes the high acoustical output
  • Classic and stylish design, a tasteful choice.
  • 85 dB sensitivity, top in the similar class!
  • Excellent low-frequency ability, high fidelity response

It is made of POLYPROPYLENE material and is integrally injection molded. It has the physical properties of high molecular polymers. Adopts a fatigue-resistant rubber ring, waterproof and moisture-proof design, and can be used normally in severe cold, heat, and humidity.


The tweeter adopts a high-performance neodymium magnetic boron sandwich magnetic circuit, high magnetic flux density, PEL magnetic top diaphragm, wide frequency response, good transient response

The magnetic flux is lasting, providing a stable and strong magnetic circuit. The propulsion system has a full mid-frequency and a powerful low-frequency shock, so that the performance of the mid-woofer remains consistent.

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