4-channel mixer supports stereo and mono: MX5 audio mixer with 4 groups of 6.35/3.5mm inputs and 1 group of 6.35/3.5mm output, compatible with most audio devices such as CD players, computers, phones, preamp, amp etc. Each channel supports mono/stereo switch to mix different audio signals to satisfy more mixing needs. LED meter to show the level visually: Built-in 16-bit stereo dual color LED level meters, display modes, colors, and gain can be adjusted freely to suit different use, making it easy to monitor the output level of the MX5, also dynamically to decorate your listening and mixing space. Rich adjustments and easy use: With one main volume knob and four volume knobs, the input level of each group can be controlled separately, have no interference to each other. Powered by DC5V, no required for a separate power supply, convenient to use in most scenarios. All metal case, aluminum knobs, solid and , maximize isolate the external interference signals. Gold-plated terminals, to the tight connection and smooth transmission of the original audio signal and minimizes the loss. Warm tips: 1. The 3.5mm headphone jack output is prior, 6.35mm OUT interface auto disconnect if 3.5mm jack is connected. 2. MX5 only supports standard audio signals such as CD /DVD / phone, cannot connect phono turntables or MIC directly. 3. Stereo/Mono mode can be used freely to create different mixing and LED display modes. Audio input: 4 groups of 6.35/3.5mm jacks Audio output: 1 group of 6.35/3.5mm jack Headphone impedance: 16-200Ω Input impedance: 50kΩ Channel mode: Stereo/Mono Display color and mode: Switchable Display gain: Level 1-6 Power off memory: support Working voltage: DC5V (≥0.5A) Power interface: Type-C USB Color: Black Material: Metal Package Contents: 1x MX5 Audio Mixer 1x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.