Feature:1. [Stereo Line Sound Mixer] This 4 channel stereo line mixer integrates sound signals from multiple devices into a single output channel, with independent volume control for each channel where minimum volume can be adjusted to effectively mute.2. [Excellent Sound] Featuring four independent stereo high power 5x amplifiers (14db), this mixer ensures optimal sound quality even at maximum volume levels, delivering clear and powerful sound output.3. [Superior Performance] This line mixer utilizes NJM4556A low voltage, high current dual operational amplifiers, offering super low noise and excellent sound performance.4. [Aluminum Alloy Casing] Housed in all aluminum alloy casing, this mixer provides complete isolation from electrical interference to maintain the highest sound quality.5. [Versatile Application] Suitable for instruments, microphones, phones, computers, amplifiers, speakers, small stage setups, drum kits or sub mixing, and other sound devices.Specification:Item Type: Stereo Line Sound MixerMaterial: Aluminum AlloyColor: BlackSize: Approx. 11x4.5x3cm or 4.33x1.77x1.18inPower Hole: Approx. 5.5x2.1mm or 0.22x0.08inVoltage: DC 5-12VInput Port: 3.5mm Interface x 4Output Port: 3.5mm Interface x 1Static Current: 15mAMaximum Drive Current: 70mAMagnification Factor: 5X (14db).Package List:1 x Stereo Line Sound Mixer1 x 3.5mm Sound Cable