1pcs Three Way 3 unit Pre-board Speaker Frequency Divider Crossover 310HZ/3.1KHZ Description: The frequency divider board is set to 6-channel stereo output structure, input left and right stereo signal, output 6-channel signal: left high pitch, left bass, right high pitch, right bass right, left alto, right alto. it can push 6 channel amplifier circuit directly. Parameters: 1, Filter type: For Linkwitz-Riley filters 2, Crossover: 310HZ/3.1KHZ (20HZ-310HZ bass output, 310-3.1KHZ alto output, 3100-20KHZ high pitch output) 3, Attenuation slope: -24dB/Oct 4, Board structure: 6-channel output, high pitch, bass, alto 5, OP-AMP chip: original double NE5532 7, PCB Size: 173 * 69mm 8, AC adapter power supply range: 14 to 19V 9, Connectors: 2 unit gilded RCA socket Notice: About output volume adjust questions, buyer should add volume control for each of the output groups or use your amplilfier \'s volume control. thanks. Packing List: 1pcs x 3 Way Pre-board Speaker Frequency Divider |