※ Because it is cheap, it is currently sold. Switchable tone controller. You can adjust the low and mid high range tones according to the frequency characteristics of the system (Daiki Goto)
Maintenance information: 2024.5.7 operation confirmed
Accessories: instruction manual, power cable
Main specifications: variable frequency low range 30/60/120 Hz, medium and high frequency range 5K/10K/15 kHz