Shipping is free, excluding Hokkaido and Okinawa Prefecture. We have many other products as well. Please take a look if you like (**). #HD Products [Brand New] Stereo/Mono Switching: For "Stereo" input/output connections, you need to use a 1/4 inch (6.35mm) TRS stereo audio cable male-to-male connector. Then press the switch key. "Mono" mixes eight mono signal inputs into one mono signal output (TRS/TS cables are not included in the package). Space-saving & Convenient: Compact and simple sound mixer is easy to operate and carry. Ideal for multi-keyboard devices and recording where multiple channels need to be mixed into a single audio track. DC 5V Power Supply: Uses the latest DC 5V power supply mode, so the way and place of use are no longer limited. Easy Operation: Each track has an independent volume adjustment knob, allowing you to adjust the individual volume of each input channel. Monitors sound from various sources (microphones, guitars, bass, and keyboards). Low Noise: Features ultra-low noise operation and provides excellent audio performance. Distortion-free, easy to set up, and ideal for quickly mixing eight line-level signals without complexity.