Features: Elevates your Auditory experience with the HA340 Auditory Splitter, featuring high end module for superior sound quality . Multiple layer protectiona for safe and stable performances. Support up to 4 pair of headphones (8channels) with independent sound adjustments, ensuring a clear experience. Enhances home entertainment auditory setups. With its input and output interfaces including 3.5MM/6.35MM port Specifications: Specifications: Model: HA340 Input Connector: 3.5MM/6.35MM Output Connector: 3.5MM/6.35MM Auditory Port Input Impedance: 22K ohms Output Impedance: 16hms Power supply: DC5V2A Standard：Optional Size (LxWxH): 140x97x28mm/5.51x3.82x1.1in Net weight: 386g Case：Metal Package Includes: 1Set HA340 Auditory Distributor note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.