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DSL vs ADSL – Comparing Internet guide 2021

Needing to know the difference between DSL vs ADSL then we have all the answers in this article.

Without mincing words, WIFI and cable internet has become one of the most widely used forms of internet connection, and that’s because of its efficiency and high speed. For people who are interested in broadband internet that allows for seamless streaming, gaming and downloading, we are sure you must have come across DSL and ADSL and currently asking yourself the difference between DSL and ADSL?

Well, today’s post will give you all the information you need to know about DSL internet comparison and ADSL internet comparison. Hopefully, you’ll find it worth it and make a better decision when opting for broadband internet service.

DSL and ADSL- What you should know

Both DSL (Digital Subscriber Line) and ADSL (Asymmetric Digital Subscriber Line) are two incredible forms of high-speed broadband internet connection you can use over your current phone lines. The exciting thing is that whether you opt for DSL or ADSL for your broadband internet service, you wouldn’t have to upgrade your telephone line to enjoy their high-speed internet connection. More so, DSL and

ADSL is designed in such a way that it do not interfere with your regular telephone service. Again, they can both be used simultaneously without interruption.

Now the million-dollar question is, what’s the difference between DSL and ADSL?

Well, read on, and you’ll find out soon enough.

DSL (Digital Subscriber Line)

Like we mentioned earlier, DSL is an acronym for Digital Subscriber Line, and it is a powerful high-speed internet connection that leverages the unused wires in your telephone lines to transmit only digital signals. While DSL is designed to transmit digital signals instead of voice signals, it also features copper wires that are specially designed for voice signals and can carry a significant amount of bandwidth. So by leveraging DSL, you’re merely sending digital signals over the unutilized copper wires, the resultant effect been a high-speed internet connection.

Features of DSL


DSL signals travel via the same phone lines that provide your home phone services. And because of this, the quality of your wiring will affect signal quality. More so, your distance from the nearest telephone exchange box can significantly impact the quality of the internet connection you get.

Line sharing:

While DSL signals travel through your phone lines, it wouldn’t impede your ability to use your phone.

Bandwidth and speed:

DSL internet connection has been designed in such a way that they deliver more consistent bandwidth than cable connections, and this isn’t surprising seeing that cable connections are shared. And although the basic speed of cable internet can sometimes be high, having many cable users online simultaneously will slow data speed.


The cost of DSL connection services can be compared to cable broadband or satellite. Compared to wireless, DSL is cheaper.


While DSL services are mainly provided by phone companies, other smaller internet-only companies can also offer this service to users.

Advantages of DSL


One of the things that make DSL stand out from other broadband internet service is that it utilizes your existing phone lines, plus the service is widely available and provided by both regional and national telephone companies.


DSL is relatively cheaper than other high-speed alternatives like satellite internet and cable broadband.

Top-notch security:

Most security experts believe that DSL is highly secured and resistant to hackers.


With DSL, you’ll enjoy a consistent internet connection as it uses your existing phone lines.

Cons of DSL


While DSL is reputed to deliver high-speed internet, it is still behind when you look at other options like cable broadband.


One of the biggest letdowns of using DSL is that distance and quality of wires determine to a great extent the quality of internet connection you get.

ADSL (Asymmetric Digital Subscriber Line)

Using ADSL broadband internet connection services is slightly different from using DSL. With ADSL, you’ll be able to download data via your phone lines faster than you can upload the information. Simply put, when using ADSL to surf the internet, you’ll be able to download more than you are uploading.

Features of ADSL?

In an ADSL digital connection, three independent transmission lines are established. Here, check them out;

Data transmission channel:

This feature is uniquely designed to send users information to the internet (upload).

Data reception channel:

With this feature, your ADSL connection allows for information to be received over the internet (download). And most times, it is wider than other channels.

Regular telephone service channel:

With this feature, users can enjoy internet connection while their telephone calls continue to be transmitted.

Advantages of ADSL

It doesn’t impede telephone lines:

One of the most significant advantages of using ADSL is that it does not interfere with your regular telephone service.

Leverages traditional infrastructures:

Using ADSL does not require significant installations as it makes use of existing copper cabling.

Way better than dial-up connection:

Compared to dial-up connections, ADSL, is way in the league of its own, especially when you consider internet speed and price. While dial-up connection can deliver speed up to 56 kps, ADSL can reach up to 4mbps (70 times faster).

Cons of ADSL

  • It doesn’t work on all phone lines
  • Copper quality is super important
  • It is way behind to copper optics
  • It relies heavily on external factors like distance and quality of copper

Why is DSL and ADSL internet connection important

Whether you’re an avid gamer, or you just love to stream your favorite movies on Hulu, Netflix, Firestick, Amazon Prime videos or you simply just enjoy surfing the internet without any hassle, you’ll definitely want to give DSL or ADSL a try. This is because broadband connection like DSL and ADSL provides users with high-speed internet that allow users to stream their favorite videos, play HD games, and download movies and other contents without any glitch.

Recommended service providers in the USA

Getting plugged into a broadband internet connection is now easy than ever before. And that’s because there are lots of regional and national phone service companies that offer quality DSL and ADSL services to users looking for high-speed internet connection. Companies like AT&T Internet, Earthlink, Verizon High-Speed Internet, and Frontier Communications are just a few companies that offer this type of service to users.

The average cost of service

Like we stated earlier, DSL and ADSL internet services are cheaper when compared to other available options. The average price of this service across different companies cost around $30 to $40 a month.

In a nutshell

If what you’re looking for is a high-speed internet connection you can use to stream your favorite movies, play HD games, listen to your favorite songs, download files effortlessly while surfing the internet without a glitch; then giving DSL or ADSL internet connection wouldn’t be such a bad idea.

Jill Burns
Jill Burns
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My internet and cable provider that shall not be named was raising my monthly bill. I later found out that there were were better discounts with no contracts. Now I'm only paying a fixed $92 dollars a month for cable and internet
John Hollaway
John Hollaway
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Without warning from the provider, I get a bill thats $30 more expensive than the last month. I had a word with the customer service about the constant drop outs My friend told me about your website Theme Scene and now im getting wifi for $29 per month
Marie Williams
Marie Williams
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If I called you earlier I would have saved myself 10 months of grief with my previous provider. Thank you

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