• 1500W RMS capacity
  • 75mm(3 in) inside-outside ASV voice coil
  • 43-800Hz response
  • 87 dB sensitivity
  • 4+4Ω nominal impedance

12SB1500 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 2X3000 Watts
RMS Power 2X1500 Watts
Impedance 4+4 Ohm
Resonance Frequency 43 Hz
Frequency Response 43-800 Hz
Sensitivity(1W/1m) 87 dB
Voice Coil Diameter 3”/75mm
Voice Coil Material ASV
Magnet 233 OZ
FS 43 Hz
RE 3.6 ohm
Qms 5.8
Qes 0.8
Qts 0.77
BL 15 T/m
MMS 204 grams
Xmax 19 mm
Sd 491 cm²
Efficiency 0.18%
Le(1k Hz) 1.5 mH
Overall Diameter 12.8 /325 in/mm
Bolt Circle Diameter 11.8/300 in/mm
Baffle cutout Diameter 11.2 /285 in/mm
Depth 8.6 /225 in/mm
Net Weight 15 kgs
Shipping Weight 16 kgs
Shipping Box 34.5X34.5X25cm


  • 3’’ASV (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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