CYBER ACOUSTICS CA-2015 3W USB BEIGE

2-Piece Desktop Speaker System
* Full range amplified speakers
* Bass reflex ported cabinets
* Magnetically shielded drivers
* Headphone output jack
* Power indicator light

Harman Kardon HK595 2.1 60watt
Magnetically shielded speaker set which includes two 10watt desktop speakers and a 6'' 40watt subwoofer. The desktop speakers use an image-processing algorithm is used to re-create a four speaker sound field from two speakers. The effect is a type of audio hologram. This approach simplifies the installation of the speaker system by eliminating the need for physical rear speakers while delivering playback of four independent audio channels.

LOGITECH Z-340 2.1 Speakers

Specifications:
Configuration: 2.1
Power Output: 33 watts RMS(Satellite speaker power output: 6.5 watts RMS per channel; Subwoofer power output: 20 watts RMS)
Frequency Response: 35Hz - 20,000Hz
Signal To Noise Ratio: >85dB
Remote: N/A
Features: Innovative subwoofer, Stylish satellites stand on desk or mount on wall, Satellite speakers provide smooth mid and high frequencies, Dual chamber subwoofer plays louder and goes lower for unbelievable bass.

LOGITECH Z-640 5.1 Speakers

Specifications:
Configuration: 5.1
Power Output: 71.2 watts RMS(Satellite speakers power output: 45.5 watts RMS;Subwoofer power output: 25.7 watts RMS)
Frequency Response: 35Hz - 20,000Hz
Signal To Noise Ratio: >75dB
Remote: Remote via center speaker
Features: Experience Dolby Digital sound for music, movies and games, Innovative, dual-chamber subwoofer delivers twice the bass energy of similar subwoofers, Magnetic shielding in speakers protects your equipment

LOGITECH Z-680 5.1 THX Speakers

Specifications:
Configuration: 5.1
Power Output: 505 watts RMS(Satellite speakers: 248 watts RMS; center speaker: 69 watts RMS; Subwoofer: 188 watts RMS)
Frequency Response: 35Hz - 20,000 Hz
Signal To Noise Ratio: Not Specified
Remote: Wireless Remote Control
Features: Built-in Dolby Digital and DTS hardware decoding, Dolby Pro Logic II decoding creates a 5.1 soundfield from two-channel sound sources, THX-certified theater quality digital sound, Digital SoundTouch Control Center