Measured frequency response curve:

1. The design of the large R-edge folding ring is made of raw rubber, which is very elastic, has good compliance, and has fast low-frequency response. It is suitable for long-stroke working environment. BBW-Tech Store.

2. The sound cone, including the dust cap, are all made of glass fiber. The back is coated with damping glue, and the process is complicated. It can be said that the main cost and core component of the entire speaker is the sound cone. And the results are also gratifying, the bass is very explosive, the strong side is not boring, BBW-Tech Store.

3. The magnet is like a human heart. Without enough magnetic field strength to provide power, fighting with one's life will also turn into a flower curling leg. We choose 65 magnets without hesitation to ensure the heavy output and bursting effect of the speakers. The basin frame increases the ventilation holes, and the exhaust heat dissipation is better. BBW-Tech Store.

4. Whether the speaker is good or not depends on the materials first. Only when it is strong enough, can it meet various discerning DIY needs. This subwoofer is very suitable for bass or three-way low unit. The low frequency is explosive, the contraction is free, and it is integrated, integrating sound quality and appearance, BBW-Tech Store.