... : SL-PX-1216E (1ch, 2-way passive crossover)1) Mounted inside the speaker box2) Frequency response ... : SL-BT-1206 (1ch, 2-way passive crossover)1) Terminal board integrated2) Frequency response: 1,000Hz ... : SL-MB-1101 (1ch, 2-way passive crossover)1) Mounted inside the speaker box2) Frequency response ... box2) Frequency response: 1,250Hz, 5,000Hz3) Crossover slope: 12dB/Oct.4) Input power: 350W5) Impedance ...