Feature: 1. Made of aluminum‑ alloy material, professional cover treatment technology, waterproof and rust‑proof. 2. Four four‑inch and one two‑inch speaker set have strong stereo sound and better sound quality when matched with two‑way speaker units. 3. Accompanying with multi‑angle adjustable stand, convenient for installation and adjust. 4. Wide range of usage scenarios, can be used in shopping malls, schools, troops, factories, stadiums, etc. 5. It is strong and durable, has a long service life, suitable for outdoor public places. Specification: Condition: 100% Item Type: Speakers Set Material: Aluminum‑ Alloy Color: As Picture Shown Weight: Approx. 3830.0g/135.1oz Speaker: 4x4 inch + 1x2 inch Speaker Rated Power: 35W 100V Rated Power: 25W 70V Maximum Power: 50w Sensitivity: 94dB Input Voltage: 100V Frequency Response: 130-16KHz Waterproof Rating: IPX6 Use Scenarios: Shopping malls, schools, troops, factories, stadiums, etc. Package List: 1 x Speaker 3 x Stand 3 x Screw 6 x Gasket 1 x Nut