400W high-power high and low two-way frequency divider, using two 66mm long 1.0mm wire diameter large skeleton inductors, imported special capacitors, treble come with self-recovery, shocking sound effects, to what you think, enjoy Sound ! Reasonable design, beautiful appearance, good chioce for modify. frequency point: 3200Hz Impedance: 4-8 ohms Size:Approx.144x94mm/5.67''x 3.70''