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Logitech G51 Surround Sound Speaker System Review

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System Requirements

PC or Mac with at least 6-channel sound capability (for discrete surround sound)

Total RMS power
155 watts RMS

 Satellites: 20 watts RMS x 4 (into 8 ohms, @ 1 kHz, @ 10% THD)
Center channel: 19 watts RMS (into 8 ohms, @ 1 KHz, @ 10% THD)
Subwoofer: 56 watts RMS (into 2 ohms, @ 100 Hz, @ 10% THD)

Total peak power
310 watts
Frequency response
36 Hz–20 KHz

Subwoofer crossover frequency

150 Hz

Satellites: (2) 2-inch laser-tuned drivers
Subwoofer: Down-firing 5.25-inch high-excursion driver

Speaker dimensions (H x W x D, inches)

Satellites: 4.2 x 5.6 x 8.5
Center channel: 8.0 x 3.9 x 5.6
Subwoofer: 7.7 x 10.4 x 13.1

Bass reflex enclosure with tuned port
6-channel direct, stereo RCA

Precision control pod

Non-skid silicone feet
Master volume control
Subwoofer, center, and surround level controls
Matrix surround sound music and gaming modes
Independent audio and microphone mute controls
Headset jack (microphone and headphone)

Signal-to-noise ratio

>94 dB, A-weighted




  • Matrix mode: Turn on Matrix mode to create 5.1 surround sound from 2-channel stereo sound sources such as music or legacy games. Music Matrix mode delivers a natural audio profile, while Gaming Matrix mode boosts the subwoofer and rear satellites for a more intense gaming experience.
    FDD2™ sound technology: FDD2 technology produces a uniform soundfield anywhere in the room.
    High-performance audio: 155 watts of total RMS power.


Convenience and Control:

  • Dual precision mute: Mute just the audio output when you need to hear what’s going on around you. Mute only the microphone when you don’t want to be overheard.
    Weighted, non-skid control pod: Enjoy quick and convenient access to your audio controls.
    Rotating stands: Mount your satellite speakers on the wall.
    Center-channel clip: Secure the center-channel speaker to the top of your LCD monitor.



  • Satellite speaker skins: Personalize your speakers with custom speaker skins and a patent-pending mod system.

  1. Introduction & Closer Look
  2. Closer Look (The Speakers)
  3. Closer Look (Accessories) & Installation
  4. Specifications & Features
  5. Testing
  6. Testing Continued
  7. Conclusion
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