... , 2-way passive crossover)1) Mounted inside the speaker box2) Frequency response: 120Hz subwoofer3) X'over slope ... 1ch, 3-way passive crossover)1) Mounted inside the speaker box2) Frequency response: 800Hz, 3,500Hz3) X' ... 1ch, 3-way passive crossover)1) Mounted inside the speaker box2) Frequency response: 1,250Hz, 5,000Hz3) ... Dimensions: 140(L) x 100(W) x 55(H)mm CAR Passive Crossover (for Speaker Box)