The following is the translation of the text:

Features:

- L: 220 magnet 4" (100mm) voice coil aluminum frame

- 18mm birch plywood coated with wear-resistant black paint

- Applicable to: small and medium-sized performances, KTV nightclub private rooms, performing arts speeches, solo singing, multi-function conference halls, etc.

S-328B Technical Parameters:

- Unit Components: LF: 18" × 2

- Frequency Response (±3dB): 35Hz - 150Hz

- Sensitivity (1m/1W): 101dB

- Maximum Sound Pressure Level (1M): 138dB

- Power (Continuous/Peak): 1400W/5600W

- Nominal Impedance: 4Ω

- Input Method: NL4 × 2, +1 -1

- Speaker Size: 560 × 775 × 1065mm

- Weight: 88KG