Note: These radio speakers do not include a transformer. If more than one group is to be connected in parallel, a transformer must be combined for use (not included). Specifications:- Color: White- Waterproof Rating: IP65- Mounting Depth: 70mm (2.76 inches), 87mm (3.43 inches)- Dimensions: Approximately 132x88cm (52x346 inches)- Material: ABS (Acrylonitrile Butadiene Styrene)- Sound Pressure Level (dB): 87dB- Impedance: 4 Ohms- Frequency Response: 70~20000Hz- Rated Power: 15W (Maximum Power: 25W)- Magnet Protection: Plastic Water Guard Features:- Full-range, compact speakers (65 inches)- Equipped with water-resistant rubber to prevent splash damage- Waterproof, rust-resistant, heat-resistant, low-temperature-resistant, flame-retardant, and insulated- Suitable for use in boats, yachts, motorcycles, spas, swimming pools, ATVs, UTVs, gardens, landscapes, and grass pools Package Includes:- 2 x 2-way Speakers Please note: Only the items listed above are included in the package; other products are not included. Due to lighting and display differences, the color of the item in the picture may slightly differ from the actual product. Allowable measurement error is +/- 1-3cm.