RAMSA 2-4 way Digital Channel Divider WZ-DM30, MSRP: ¥450,000 Included Items: *Everything shown in the photos. Appearance: This is a used item, so there are scratches and scuffs. Please refer to the product photos for details. Operational Status: Power-on confirmed. Output operation was tested simply by playing through exclusive 2401 speakers. This is only a basic test, so please consider this as a current condition/junk item. Storage: Stored in a dark place. Non-smoking, pet-free environment. This WZ-DM30 is for professional use, but it does not have a cooling fan, so there is no fan noise. Also, this WZ-DM30 is a very high-performance digital channel divider. Crossover frequencies can be selected from the following for CH1: 20, 22, 25, 28, 32, 36, 40, 45, 50, 56, 64, 72, 80, 90, 100, 110, 120, 140, 160, 180, 200, 220, 250, 280, 320, 360, 400, 450, 500, 560, 640, 720, 800, 900, 1.0k, 1.1k, 1.2k, 1.4k, 1.6k, 1.8k, 2.0k, 2.2k, 2.5k. For CH2, CH3, and CH4: 50, 56, 64, 72, 80, 90, 100, 110, 120, 140, 160, 180, 200, 220, 250, 280, 320, 360, 400, 450, 500, 560, 640, 720, 800, 900, 1.0k, 1.1k, 1.2k, 1.4k, 1.6k, 1.8k, 2.0k, 2.2k, 2.5k, 2.8k, 3.2k, 3.6k, 4.0k, 4.5k, 5.0k, 5.6k, 6.4k, 7.2k, 8.0k, 9.0k, 10k, 11k, 12k, 14k, 16k. Slopes can be selected from: -24dB/oct, -18dB/oct, -12dB/oct, -6dB/oct The output level of each CH can be turned OFF, so in a 2-way setup, use CH1 and CH2, and turn OFF CH3 and CH4. In a 3-way setup, use CH1, CH2, and CH3, and turn OFF CH4. Thank you.