TEAC is a Japanese brand name, founded in 1953. Teac factory is based in China .This brand is one of the legend brands in audio entertainment industry. This 6x9 inches Carton Speakers has the best quality with 4Way Coaxial Speaker, RMS: 50W with Peak Power: 500W. KEY FEATURESCone: Paper ConeChannel: 4 Way SpeakersNominal Diameter: 6x9 inches (16x24cm)Mounting Depth: 2.5inches (64mm)RMS Power: 50WPeak Power: 500WSensitivity: 89dBFrequency Response: 60Hz-20KHzImpedance: 4 ohmsMagnet Mass: 13.5oz (330g)WHAT'S IN THE BOX2pcs Carton 6x9inches Speakers2pcs Speakers Connecting WiresScrewsUser manual