It is a crossover 250Hz that can be used for JBL4350/4343! Chandeba is trying to achieve accurate crossover by making a substrate for each speaker! The sound quality is also an attractive thing with a core in warm KRELL seems to be KRELL There are scratches and line scratches on the main body top plate (Yosuke Kojima)
Maintenance Information: 2018.3.16 Maintenance (Replacement of 30 Capacitors (Vishay BC), Volume Contact Cleaning, Breakout Characteristic Inspection, DC Offset Reconfigured for Each Amplifier Output)
Accessories: Power supply unit, power cable, connection cable
Main specifications: 2-way channel divider Axis regular imported product input RCA × 1 Balance x 1 Body: W483 x H70 × D383mm 6.8 kg Power Supply: W222 × H64 × D286mm 3.3kg