Logitech 980-001054 (2.1; black) speakers

Logitech Z533 60 W Black 2.1 Channels Multimedia Speaker System
120-watts peak power
Unleash impressive room-filling sound with speakers designed to immerse you into your music, games or movies.
Z533 PC speaker has two 2.5-inch, full-range speaker drivers with phase plug, and 60-watts of RMS power.

Reasons to Buy
Feel the bass
Experience rich, dynamic bass with a front-facing subwoofer and feel every beat of your music. The two-inch port tube, with double ended flare, on the subwoofer enhances low frequency response.
Connect multiple devices
Connect up to three inputs simultaneously. Use it as a PC speaker that you can also connect to tablet, smartphone, game console, or TV via 3.5mm jacks or RCA inputs.
One 3.5mm input is located on the control pod, to connect to mobile devices. One 3.5mm and RCA input are on the back of subwoofer for PC,TVs or gaming consoles--PlayStation®3 or Xbox 360®.
RCA cable is not included with product.
All-access control pod
Controls at your fingertips for optimal PC speaker experience. Position the wired control pod within easy reach to control power, volume and bass. In addition to controls, the pod features a 3.5mm jack making it easy to connect your smartphone, tablet or MP3 player.
Listen in privacy
Connect your headphone to the control pod and enjoy to talk, game or listen to music without bothering those around you. A convenient headphone jack is located on the control pod.

Additional Product Notes

RMS rated power: 60 W
Recommended usage: Universal
Amplifier frequency range: 55 - 20000 Hz
Satellite speakers RMS power: 15 W
Satellite speaker woofer diameter (imperial): 6.6 cm (2.6")
Satellite speaker dimensions (WxDxH): 100 x 85 x 170 mm
Subwoofer type: Active subwoofer
Subwoofer RMS power: 30 W
Subwoofer driver diameter (imperial): 13.3 cm (5.25")
Power source: AC
AC input voltage: 100-240 V
AC input frequency: 50 - 60 Hz