This is an assembled 3-way electronic crossover board. Filtering function is Linkwitz-Riley type with -24dB/Oct.
Linkwiz-Riley filtering is regarded as the best type of filtering for audio crossover due to the excellent phase response, zero phase difference at crossover junction and absolutely flat amplitude response.
This crossover board includes preamplifier with gain=4 and shunt regulator for best performance. Crossover frequency : 310 Hz , 3.1KHz
We do air shipping worldwide at US$6.50.