1、Easy Multi Channel Mixing: The DJ controller sound mixer simplifies the management of multiple inputs, such as drum kits and other instruments, making it intuitive and straightforward. It streamlines your setup, ensuring excellent sound quality without the need for complex adjustments, making it ideal for rehearsals, small performances, and live events. 2、Stereo Mono Switching: The 4 channel DJ mixer offers both stereo and mono sound channels, allowing versatile options for sound configuration. Inputs and outputs must be connected using 1/4 inch stereo sound cables with stereo version male connectors (1/4 inch male to male stereo sound cables, with cables being key), and can be switched as needed. In mono mode, it combines four mono channel signals into one mono channel output using 1/4 inch TS male to male connectors for input and output connections. 3、DC 5V Power Supply: The 4 channel compact mixer operates on the latest DC 5V power supply, eliminating restrictions on application scenarios. It is important to use an external power supply with CE or UL certification and keep it away from sources of interference to prevent noise and other disturbances (adapter included). 4、Versatile And Simple Controls: The professional sound mixer gathers sound from various sources (guitar, bass, keyboard, etc.) for monitoring or routing to a listening position. Each channel on the linear mixer features independent volume control, individual input jacks and volume controls, and a single output amplifier. It allows for mixing multiple channels into one track, suited for keyboards, small stage setups, drum kits, or sub mixing. 5、Low Noise: The 4 stereo sound mixer delivers excellent sound at all output levels, offering operability with super low noise and excellent sound performance. It ensures no distortion and easy setup, making it ideal for quickly mixing four line level signals without complexity. Even at maximum levels, the 4 Channel Mixer provides top signal quality and integrity, making it an ideal choice for multi keyboard setups and recording.