The Bose Interaudio 2000 speakers feature a 6-inch woofer, a 3-inch tweeter, and an impedance of 4-8 ohms. They have a recommended amplifier power of 10-90 watts, a maximum continuous power handling of 70 watts, and measure approximately 14 x 9 x 7.1 inches (H x W x D).

Technical specifications
Woofer: 6-inch
Tweeter: 3-inch
Impedance: 4-8 ohms
Recommended amplifier power: 10-90 watts
Maximum continuous power: 70 watts
Weight: 10 lbs (4.6 kg) 

Physical dimensions
Dimensions (H x W x D): 14 x 9 x 7.1 inches (35.6 x 22.9 x 18.0 cm) 

Other features
Design: Acousticouple, front-ported
Testing: Syncom computer-tested
Finish: Black ash