Sound Quality Between Bluetooth and Auxiliary for Speaker

The transition from wired to wireless technology, particularly Bluetooth, has occurred rapidly since the beginning of the 21st century, integrating wireless tech into our daily lives. However, the debate over sound quality between Bluetooth and auxiliary (aux) connections persists, especially among audiophiles.

Difference Between Bluetooth and Aux:

  • Bluetooth is wireless, while aux requires a cable connection, typically a 3.5mm headphone jack.
  • Bluetooth operates over radio frequencies without the need for wires or Wi-Fi, while aux connections are analog and wired.

Sound Quality: Bluetooth vs. Aux:

  • Aux generally offers higher sound quality compared to Bluetooth due to its analog nature, maintaining high fidelity.
  • Bluetooth may suffer from a loss of fidelity, which can be noticeable to audiophiles.
  • Bluetooth may have audio syncing delays, while aux provides near-instantaneous signals.

Convenience: Bluetooth vs. Aux:

  • Pairing devices with aux is simpler and quicker, involving plugging in a cable.
  • Bluetooth offers more freedom of movement with a range of about 800 feet and the ability to connect to multiple devices simultaneously, making it more convenient in certain scenarios.

Compatibility: Bluetooth vs. Aux:

  • Aux inputs are still prevalent in many devices, but tech trends are moving towards Bluetooth.
  • Bluetooth is versatile and can transmit various types of data beyond audio, making it more adaptable.
  • Bluetooth receivers can make wired speakers compatible with Bluetooth devices.

Other Factors to Consider:

  • Bluetooth can be continually updated with new features and versions, while aux cables lack this flexibility.
  • Bluetooth devices cannot be easily converted into aux devices, but wired headphones can be made Bluetooth-compatible with a Hi-fi amplifier.

In Conclusion:

  • Aux systems excel in sound quality, while Bluetooth is more convenient and adaptable to a wireless world.
  • The choice between Bluetooth and aux ultimately depends on individual preferences and needs.
  • Adapters and amplifiers can bridge the gap between wired and wireless technologies, allowing users to enjoy the best of both worlds.

Ultimately, the decision between Bluetooth and aux depends on your priorities and specific use cases. Both have their advantages, and with the right accessories, you can tailor your audio setup to suit your preferences.

How to Delete Old Twitter Tweets

Twitter is a great social network that can help you promote your services, gain more traffic to your website. But, for any reasons, you want to delete your old Twitter Tweets, yes, you can delete them one by one. What about if you have hundreds or thousands tweets. It would be a tedious job if you have to delete all those tweets manually.

Luckily, there is an online service that helps you to delete all your old Tweets for free.

Before you delete any of your Tweets, it is recommended that you backup all your Tweets. You can login into your account , scroll down, and click on “Request your archive” to request an archive of all your Tweets.

Twitter will email you a link to download your archive of tweets

Now, you can use Tweetdelete to delete your old tweets. This service is free and it can delete all your tweets at once (up to 3,200 tweets). It also allows you to set a time when to delete your tweets on a regular basic. For example, you can choose to delete all tweets that is older than 1 year old. All you have to do is to signup and give it a permission to access to your account. You can revoke this access anytime (in your Twitter account) after you delete all your old tweets if you want to.

If you have more than 3,200 tweets, you can try to run this many times until you delete them all.

Some Useful Ubuntu/Linux commands

Delete all files and folders in that directory

rm -rf FolerName


  • 644:file readable by anyone and writable by the owner only.
  • 755:readable/executable by everyone and writable by the owner only.
  • 777: Full access by anyone
  • -R option is to apply to files and folders within it.
    chmod -R 755 directory-name

Ethernet Cable Speed

Cat 3: Max 10 Mb/s, 16 MHz bandwidth
Cat 5: 10/100 Mbps
Cat 5e: 10/100/1000 Mbps, 100 MHz
Cat 6: 10/100/1000 Mbps, 250 MHz, better in environment that has electromagnetic interference.
Cat 6a: 10,000 Mbps, 500 MHz
Cat 7: 10,000 Mbps, 600 MHz

Typical Speed of USB 2.0 & 3.0

Admitting that the speed of USB depends on various factors. I did a simple test just to see what a typical speed of a USB 2.0 and USB 3.0 are

External Hard Drive (write speed):
USB 2.0: 27 – 29 MB/s
USB 3.0: 112 – 122 MB/s

Flash USB (write speed):
USB 2.0: 11.4 – 12.0 MB/s
USB 3.0: 12.0 – 12.8 MB/s


What are your typical speed for USB?

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