Computer store South Africa: Computers, notebooks, printers, Pocket PC and software. Computer hardware South Africa - Speakers

Computer hardware South Africa - Speakers

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  ComX Computers - since 2002 • home » speakers Mon 19 Mar, 2018View enquiry cart
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Speakers sales South Africa

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Latest Speakers

Speakers - A brief overview

2.0 Speakers (Stereo Speakers):
Low end speaker system for basic computer usage and music. 2.0 Speakers tend to lack base and are usually very low power, sometime a bass enhance button is included; however, this may create audio distortion. There is also the possibility of power supply noise on low end speakers, even when connected through USB.

2.1 Speaker Audio System:
Three Speakers - A subwoofer (bass unit) and two satellite speakers. Sound quality of a 2.1 is better than a 2.0 system, however, these are still lower end speakers and may distort at higher volumes.

4.1 Speaker Audio system:
A subwoofer, two front satellite speakers and two rear speakers. 4.1 Speaker systems are medium to high-end. Please take note of the real power rating and not the PMPO value.

5.1 Speaker Audio System:
Six Speakers - A subwoofer, a central front speaker, two front satellite speakers and two rear speakers. Please take note of the real power rating and not the PMPO value.

Power expressed as PMPO: Peak Music Power Output - This is calculated by the manufacturer and there is no set standard for determining PMPO. Power expressed as PMPO = a constant number multiplied by the actual power, where the constant number is determined entirely by the manufacturer. A single manufacturer will therefore have speakers expressed in the same way and comparing their own speakers to each other is fine, however, different manufacturers will have different ratings for the very same speaker.

PMPO = k x Actual Power

Power expressed as RMS: Power is a standard scientific formula. When comparing speakers from different manufacturers, the RMS will reflect a far more accurate power rating for the speakers.

Power should only ever be measured with no clipping. When an amp clips, there is more available power, but higher distortion. It is not uncommon to see amplifier powers rated at 10% distortion. This is quite unacceptable, as this indicates that there is severe clipping of the signal. A good quality amplifier will have less than 0.1% distortion just before clipping, somewhat higher for push-pull valve amps, and a lot higher for single ended triode valves.

Power(RMS) = V (RMS)2 / R where V is the voltage into the speaker and R is the speaker impedance (resistance) value. For example 12V(rms) across 8 Ohms = 18 W(rms)

A sample of Speakers that this computer shop has on offer

  • 520-AAKK
    Dell Performance USB Headset - AE2
  • 4XD0K74703
    Lenovo Thinkpad X1 In Ear Headphone
  • W3K09AA
    HP UC Wireless Duo USB Headset
  • LG SJ9
    LG SJ9 5.1.2 ch High Resolution Audio Sound Bar
  • LG SJ5
    LG SJ5 320W 2.1ch Sound Bar with Optimised Audio
  • LG SH2
    LG SH2 100W 2.1ch Sound Bar with Bluetooth Connectivity
  • LG SJ4R
    LG SJ4R 420W 4.1ch Sound Bar with Auto Sound Engine
  • LG SJ4
    LG SJ4 300W 2.1ch Sound Bar with Adaptive Sound Control
  • LG SJ6
    LG SJ6 320W 2.1ch Soundbar
E&OE. All prices and specifications are subject to change without notice. All prices are a reference and are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. At no point do we make offers to sell on any website and quotes are required before a purchase can be made. All transactions are subject to our terms of sale. ComX Computers: a South African online computer store.
© 2018 ComX computers. All materials and content posted on this Web site, including, but not limited to, all text, graphics, photographs, data, images, functions and scripts are the property of, subject to and protected by copyrights owned by the ComXpert International CC © ("ComX Computers" / "Laptop Direct" ). Other brands, trademarks and Logos are the property of their respective owners in South Africa and/or other countries.
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