What are Multi-channel Speaker Systems (2.0 , 2.1, 4.1 and 5.1 speakers)?

Multi-channel audio systems are widely used in modern sound devices. The term “multi-channel audio” means that, the audio system can be capable of handling multiple audio channels (usually called audio tracks) to rebuild the sound on a multi-speaker setup.

Here in 2.0 , 2.1, 4.1 and 5.1 audio systems’ first digit shows the number of primary speakers called satellite units (these speakers are capable for handling the frequency range from 100Hz to 22Khz), while the second (decimal digit) refers to the presence of LFE (Low Frequency Effect), which is reproduced on a subwoofer (produces lower frequencies 20Hz-200Hz).

 2.0 speakers
These types of speakers systems have two speakers one called left speaker and another one is right speaker. It is also called stereo speakers and compatible with all TV ,DVD players, mobile phones and laptops. It does not include a subwoofer. For positioning of speakers see the image (2.0 speakers positioning )

2.0 speakers - Top View

2.0 speakers

2.1 speakers
Beyond the left and right channels, there is the additional aspect of bass which normally requires a subwoofer. A 2.1 speaker has 3 speakers, two satellite and one base speaker. The only difference between 2.0 and 2.1 speakers is the addition of a subwoofer in 2.1 speaker system for lower frequencies and gives real time sound experience. It is compatible with all latest phones, DVD players and TV. It is important to place speakers at right position for better sound experience.

2.1 speakers - Top View

2.1 speakers

4.1 speakers
Surround sound systems are one of the widely used surround sound setup in home theater systems. For this 4.1 speakers are the first speaker configuration with four satellite speakers (Front Right ,Front Left, Rear Right and Rear Left) with one base speaker (subwoofer). These type of speakers  require audio source which has a minimum of four channel audio out for this if you want to connect these speakers to your laptop/desktop then you should have 4.1 channel sound card in your laptop/desktop or you can run this with DVD players.

4.1 speakers - Top View

4.1 speakers

5.1 speakers
Surround sound systems are one of the widely used surround sound setup in home theater systems. Usually- Dolby Digital and DTS encoded in a DVD are 5.1 channel audio formats. The main difference between 4.1 and 5.1 speakers is the addition of one more speaker called central speaker with this 5.1 speakers have five satellite speakers(Center, Front Right, Front Left, Rear Right and Rear Left ) and one subwoofer. These types of speakers are compatible with those laptops/desktops which have 5.1 sound card and with DVD players. The arrangements of a 5.1 surround sound setup shown in the picture below.

5.1 Speakers - Top View

5.1 speakers

 

Buy speakers at MirchiMart

What Determines Quality Of Speakers And Headphones

Going to buy speakers or headphones? then you must checkout this short guide to determine the quality of speakers and handsets during buyout. These days speakers and headphones play great roll in individual life in order to entertain him/herself. There are various types of speakers in the market like roof speakers, wall speakers, loudspeakers, and speakers for daily use via Computer, Television or any other media player.

There are various points to stress on to determine Quality of speaker and headphones. according to your need you can pick speakers from these standard configuration of Speakers which include 2.1, 5.1, and 7.1 layouts. In these layouts 2.1, 5.1, and 7.1 are hinting toward number of standard speakers and sub woofer for bass enhancement like 2.1 layout is comprised to 2 satellite speaker and 1 sub woofer. If you want to get more quality sound than you must opt for 5.1 or 7.1 layouts as they are features like surround, speaker fill, etc.

Now typical things to determine quality of speakers and headphones. First you must checkout wattage rating for speakers, higher the wattage rating clearer and louder will be the sound. Second, You need to buy speaker according to your room means if your room is small than there is no need to buy higher wattage speakers. Third , if you going to buy speaker for any player or computer than must checkout your sound card limits. Fourth you need to check its S/N Ratio which is good at 107db. Frequency response is another step to determine quality indicative of how fast and how accurately a set of speakers can reproduce the sound range. Human hearing spans frequency response of 20 Hz to 20 kHz and your speaker should reproduce all frequencies that lie in this range. Controls on speakers like bass controller, etc also plays vital role also.

Coming on to headphones which operate on the same level as speakers. To determine headphones sound quality must check its Power Handling Capacity. If its capacity is 1,000mW to 3,000mW range than its best as its the range for studio quality sound and of course you can listen to music or any other audio without disturbing others.

Know about Beats Audio.