Features 1、Multiple Sound Input Expansion: When faced with limited sound interfaces, this outdoor mixing console mixer alleviates the problem by providing 8 input channels and 1 output channel. It allows you to connect multiple sound devices simultaneously, enhancing your setup's versatility and enabling seamless sound mixing. 2、Independent Volume Control: Each of the 8 input channels comes with independent volume adjustment, allowing accurate control over the sound levels of individual devices. This feature ensures that you can achieve the good balance in your sound mix, tailoring the output to your specific needs and preferences. 3、Enhanced Gain Functionality: The stereo sound amplifier includes a 6.5mm (6.35mm) mono input interface with a gain feature, which boosts the sound level by approximately 3 times (10dB) when the blue switch is pressed. This capability enhances clarity and presence, especially for quieter sound signals, making it an excellent choice for live performances and recordings. 4、Built In Isolated Power Supply: Equipped with an internal isolated power supply, this professional sound mixer ensures that charging does not interfere with sound performance. It can be powered via a charging adapter or any USB interface, allowing for extended use without interruptions, making it suitable for lengthy live sessions or studio work. 5、Versatile Applications: This music instrument mixer is suitable for a variety of settings, including multi keyboard setups and situations where multiple channels need to be mixed into a single track for recording. It is suitable for small stage equipment, drum kits, or sub mixing prior to entering a main mixer, enhancing both live and studio environments with its robust functionality. Specifications: Item Type: Portable Outdoor Mixer Material: Aluminum Alloy Input Output: 6.5mm (1/4in) Charging: TYPE C Interface Battery: Rechargeable Li Battery 500mAh x 1 (Included) Gain: 0db, 10db, Toggle Switch Indicator Light Status: Continuous flashing 4 times indicates 4 levels of battery, flashing 3 times indicates 3 levels of battery, and so on. When the battery is fully charged, the indicator light stays on. Package List 1 x Mixer 1 x 6.5mm Sound Cable 1 x Charging Cable