Features: Brand new and high quality The device provides A total of 6 regional power Amplifiers source selector for each speaker region output, which can drive up to 6 pair of speaker from one and two amplifiers. Each area have separate source selection Switching. Users can easily assign one of two amplifiers to play through a specific speaker area, Use the Switching button on the front panel. The headphones output have a separate volumes control. Advanced protections circuit to ensure safety of the connect amplifiers load. Provides headphones output for listen signal monitors. Can accepted up to 12AWG speaker cable. Fully suitable for all types of amplifiers and speaker. 200W power processing per channel, 8ohms speaker load. Input and output manual selection Switching, direct insertion and direct use, switching signal is stable, there is no other interferences and noise between channel. Specifications: Material:Metal Size:Approx.320x110mm/12.6x4.33inch Package Includes: 1Pc Speaker Selector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.