【40Wx4 Bookshelf Speakers and 75w Center Speaker】: The surround sound system features four high-power and full-range speakers, including one 3-inch passive center speakers and two pair of 3-inch passive bookshelf speakers(four speakers are identical), allowing you to experience stunning surround sound from all angles. 【Enhanced Dialogue Clarity】: Saiyin 5.0 home theater system comes with a professional center channel speaker that improves the clarity and accuracy of dialogue. Every line of dialogue in movies or TV shows will be crystal clear, ensuring that no important lines are missed. 【Flexible Installation and Placement】: Compact and lightweight home theater speakers can be flexibly mounted on shelves, stands or walls to meet different installation requirements. In addition, the position and number of speakers can be easily customised according to the size and layout of your room, ensuring optimal sound positioning for an unparalleled audio experience. 【Classic Rretro Wooden Enclosure】: Each home audio speaker enclosure is handcrafted with unique wood textures and colors to reduce sound resonance while still blending well with any space and decor. The exquisite details and vintage charm of each enclosure bring a touch of nostalgia to your home entertainment area. 【Please note】: These five passive speakers require speaker wires and AV receiver or amplifier, the speaker wires and receiver are not included in our package. Saiyin 5.0 Home Theater System, 230w HiFi Surround Sound Speakers With Stereo Surround Sound and Classic Rretro Wood Grain for TV/PC, Amplifier or Receiver Required, Passive, Wired Not Inclued