JBL104 reference monitors are compatible with most desktop and laptop computers, as well as home or professional recording equipmentAcoustically optimized for desktop PlacementThree sets of inputs allow connection with professional equipment, personal music players and consumer productsSmart features include front-panel volume control and headphone jack with speaker mute featureCoaxial 4. 5-Inch (118 mm) LF driver and 0. 75-Inch (19 mm) soft-dome HF driverIntegrated 60-watt Class D power amplifier; 30 watts distributed to each speakerInput connectors: 2x 1/4-inch balanced; 2x RCA; 1x 1/8-inch unbalancedPurchase includes: 1x extension monitor speaker wire (2-Conductor, 2 meters); 1x 1/8-inch (3. 5 mm) to RCA audio cable; 1x AC power cable; 1x quick setup guide