Logitech Z333 Multimedia Speakers Driver: Satellite: 3.00 convex dome driver Subwoofer: 5.25 front-firing dome driver Frequency Response: 55 Hz - 20 kHz Signal to Noise Ratio(SNR): Satellites: 85dB, A-weighted Subwoofer: 80dB, A-weighted Part Number: 80-001203 Type: Wired Color: Black Impedance: 10 Kohm System Requirements: Computer running on any major operating system (Windows, Mac, Chromebooks) Smartphones Tablets Televisions MP3 players DVD / Blue-ray players Game Consoles: PlayStation 3, Xbox 360