Sony SS-CT71 Speaker Set

Type: Compact bookshelf speakerFrequency Response: 80 Hz – 20 kHzSensitivity: 87 dBPower Handling: 50 watts (nominal), 100 watts (maximum)Drivers: 3.5-inch (8.9 cm) woofer and 1-inch (2.54 cm) tweeterImpedance: 6 ohmsDimensions (H x W x D): Approximately 10.5 x 5.5 x 6.5 inches (26.7 x 14 x 16.5 cm)Weight: About 3.3 lbs (1.5 kg)