Features

The speakers project sound evenly in all directions, so you enjoy rich, clear sound from any angle throughout the room.What is 360-degree sound?
An RCA jack and a 3.5 mm auxiliary input let you easily connect your Logitech® SqueezeboxTM network music player, gaming console, DVD player, or iPod®.
You’ve got power, volume, and a headphone jack for private listening right at your fingertips.
A subwoofer with a 6.5-inch pressure driver delivers deep lows for rich bass you can feel.Satellite? Subwoofer? So what? Learn more about speakers.
You’ve got enough power to fill the room with bold, dynamic sound.Watt? Learn more about audio terminology and what it means for you.
Technical Specifications

40 watts (RMS)
Frequency response: 35 Hz – 20 kHz

Satellites:
2 x 9.5 watts (RMS) (into 4 ohms, @1kHz, @10% THD)
Integrated volume & bass control

Subwoofer:
21 watts (RMS) (into 6 ohms, @100Hz, @10% THD)

Connections:
Inputs: Stereo RCA, 3.5 mm primary input, 3.5 mm auxiliary input
Outputs: 3.5 mm headphone jack

Drivers:
Satellites: 2-inch dome drivers
Subwoofer: 4-inch down-firing subwoofer with 6.5-inch pressure driver

Speaker dimensions (H x W x D):
Satellites: 7.7" (19.5 cm) x 3.4" (8.6 cm) x 5.2" (13.2 cm)
Subwoofer: 10" (25.6 cm) x 9" (23 cm) x 9.5" (24 cm)

System Requirements
Windows-based experience
Windows® XP, Windows Vista® or Windows® 7.
Computer soundcards or audio sources that include a 3.5 mm jack

Mac Computer
Mac OS® X 10.3.9 or later
Computer soundcards or audio sources that include a 3.5 mm jack

website: http://www.logitech.com/en-nz/speakers-audio/home-pc-speakers
/devices/5861