5.1 system

Creative Megaworks 550 THX
The MegaWorks THX 5.1 550 is a 5.1 system featuring 5 70W satellites, and 1 150W subwoofer (500W total system power). The system also incorporates a 99dB SNR and 25Hz - 20kHz frequency response. Remote volume control is possible.(Highly Recommended)

Logitech Z-680
Specifications
Total output power: 505 Watts RMS
Subwoofer power output: 188 Watts RMS
Satellite speaker power output: 317 Watts RMS (62 Watts RMS per channel for satellites; 69 Watts RMS for center chane
Total peak power: 1000 Watts
Maximum SPL: 114 dB
System frequency response: 35Hz - 20kHz
Input impedance: 10,000 ohms
Shielded satellites for use near video monitors
True Dolby Digital and DTS 5.1 surround sound with built-in hardware decoding
Dolby Pro Logic® II decoding creates a 5.1 sound field from two-channel sound sources
THX® certification ensures top sound quality
Connects to PlayStation®2, Xbox™, DVD players, satellite receivers, PC sound cards, and more to deliver immersive gaming and movie experiences
Home-stereo style connectors use standard gauge speaker wire
Four stylish satellites stand on desk or mount on wall to provide smooth mid and high frequencies
Center channel speaker rests on your monitor, on your desk, or mounted on the wall
Magnetic shielding in speakers protects your equipment
Internal power supply eliminates bulky wall adapters
Removable cloth grills on satellites deliver improved sound and variable aesthetics
Wireless remote control, batteries included
Uses regular stereo speaker wire (included)
Edifier S5.1Specifications
Power Output:
Subwoofer: RMS 90W (@ fo=60Hz, 10% THD, single channel loaded)
Satellite speaker: RMS 25Wx6 (@ fo=1kHz,10% THD, 6 channels loaded)
THD+N (Amplifier): <=0.5% (satellite, @ PO=3W )
Signal-to-Noise Rate (Amplifier): >=85dB(A Weighted)
Input Impedance: 10K Ohm
Input Sensitive: 450mv
Frequency Response: 32Hz-20kHz
Input Port: 6.1 channels RCA Line-in
Subwoofer unit: 8” (D210mm), 4 Ohm, magnetically shielded
Satellite Speaker unit: 4” mid-range and ¾” cloth dome tweeter,8 Ohm, magnetically Shielded
Dimensions: Subwoofer: 270(W) x 496(H) x 496(D)mm
Center Speaker: 290(W) × 140(H) × 140(D)mm
Satellite Speakers: 150(W) x 230(H) x 161(D)mm
Gross Weight: about 42Kg
Power Requirement: 100V-120V ~, 50/60Hz
MAX Power Consumption: 360W
Edifier S5.1MSpecifications:
Power Output:
Satellite Speaker: RMS 20Wx6(@ fo=1kHz, 10% THD, 6 channels loaded )
Woofer: RMS 60W (@ fo=60Hz, 10% THD, single channel loaded )
THD+N (Amplifier): <=0.5% (satellite, @ PO=3W )
Signal-to-Noise Rate (Amplifier): >=85dB(A Weighted)
Input Impedance: 10K Ohms
Input Port: 6.1 channels RCA Line-in
Controller: Controller: Infrared remote controller, main volume, rear, center, subwoofer, mute and power.
Woofer unit Impedance: 4 Ohms
Woofer driver unit: 8 inch(D210mm), magnetically shielded
Satellite Speaker unit Impedance: 8 Ohms
Satellite driver unit: 3 inch (D90mm) paper cone, magnetically shielded
3/4 inch cloth dome tweeter, magnetically shielded
Dimensions: Subwoofer: 240(W) x 403(H) x 338(D)mm
Satellite Speaker: 105(W) x 192(H) x 100(D)mm
Gross Weight: about 22Kg
Power Requirement:
220V-240V ~ , 50/60Hz (for Model European/China/Korea/South America, etc.)
100V-120V ~, 50/60Hz (for Model USA/Canada/Japan )
MAX Power Consumption: 180W
Edifier R501Specifications:
Power Output:
Satellite Speaker: RMS 6Wx4(@ fo=1kHz, 10% THD, 5 channels loaded )
Center Speaker: RMS 8W(@ fo=1kHz, 10% THD, 5 channels loaded )
Woofer: RMS 30W (@ fo=60Hz, 10% THD, single channel loaded )
THD+N (Amplifier): <=0.5% (satellite, @ PO=3W )
Signal-to-Noise Rate (Amplifier): >=85dB(A Weighted)
Input Impedance: 20K Ohms
Input Port: 5.1 channels RCA Line-in
Controller: Infrared remote controller, main volume, rear, center, subwoofer, mute and power.
Woofer unit Impedance: 8 Ohms
Woofer driver unit: 8 inch(D210mm), magnetically shielded
Satellite Speaker unit Impedance: 4 Ohms
Satellite driver unit: 3 inch (D78mm) full-range paper cone, magnetically shielded
Dimensions: Subwoofer: 395(W) x 296(H) x 296(D)mm
Satellite Speaker: 90(W) x 135(H) x 92(D)mm
Gross Weight: about 14.5Kg
Power Requirement:
220V-240V ~ , 50/60Hz (for Model European/China/Korea/South America, etc.)
100V-120V ~, 50/60Hz (for Model USA/Canada/Japan )
MAX Power Consumption: 90W