Speakers are suitable for 4-8 ohm impedance. The design is based on 4-8 ohm mass values. Most products are the same, designed to improve sound quality. Frequency point: 2800Hz (that is, the bass works at a frequency below 2800HZ, and the treble works above 2800HZ (2.8KHz). Power: single channel 350W. (below 700W) Impedance: 4-8 ohms. Circuit: treble 12db/oct level two, bass 12db/oct Secondary Size: 120 x 77 x 37MM Material: Metal + Plastic Color: Black Package Contents: 2 x Divider Only the above package content is included, other products are not included. Note: Light shooting and different monitors It may cause the color of the items in the picture to be slightly different from the actual object. The allowable error in measurement is +/-1-3cm.