Audio: Bluetooth vs Wires

For this comparison we will take some sample that are alike within some aspects and make a fair comparison between them.

The items are the following: 

Mini Beat Boxx: Portable Bluetooth Speaker

Logitech: Z120 Stereo Speakers

Price

Portable Bluetooth Speaker
$25.95

Z120 Stereo Speakers
$24.95

Portability
Portable Bluetooth Speaker

• 5 hours of battery (Built-in Rechargeable Battery)
• Can play while charging (Micro USB to USB cable)

Z120 Stereo Speakers

• No wall outlet required—get power from the USB port on your PC.

Sound Quality
Portable Bluetooth Speaker

• One 3w output speaker
• Signal to Noise: Over 95dB
• Distortion: Less than 0.5%

Z120 Stereo Speakers

• Two 0.6w output speakers (1.2w total)
• Signal to Noise: Not Avail
• Distortion: Not Avail

Compatibility
Portable Bluetooth Speaker

• Bluetooth pair
• Micro SD card
• Mini USB to regular USB (for computers)
• Aux in 3.5mm
• Hands-free speaker mic

Z120 Stereo Speakers

• 3.5 mm input
• USB input (use as the power source also)

With this information, you can now decide, what would fit better for you. It sounds more convenient the idea of having a portable speaker when you need it, instead of just an stationary ones. 

How does a Speaker Work

The sound quality of a speaker is the result of several elements—materials, design, and execution—and every detail matters in the final sound. You want a speaker that can produce as much of the full range of frequencies that human ears can hear as possible

What makes a great speaker

However frequency response isn’t the only factor to consider when you’re looking for a top-notch set of speakers. In order to understand the amount of color a speaker adds, the variations in the output of the speaker is as important as the range. Every speaker produces certain frequencies that are louder or softer than others. 

Given a perfect signal from an audio source and amplifier, variances from the ideal flat frequency response can often be attributed to the way a speaker is built.

Materials matter

Cones found in each driver can be made out of different materials. You’ll see cones made out of paper, aluminum, polypropelene, or things like ceramic/glass fiber polymer.

o push air, most cones move in and out like a piston, but at certain frequencies, cones will flex instead. Flexing distorts the sound; by using more rigid materials, designers try to keep that flexing to a minimum.

Cone material is just one example of how materials can translate to a difference in sound quality.

Sound designs

You need something to house the drivers and electronics that produce sound.

If you don’t carefully design the enclosure, it will negatively affect the sound. If it is too wide, the sound can reverberate inside the cabinet, creating cross noise that interferes with the sound waves coming directly from the driver. If you don’t brace the driver securely enough, it can rattle and create distortion. 

In a speaker with more than one driver, the crossover(s) determine which frequencies are produced by which driver, two speakers using the same drivers with different crossover settings will sound entirely different.

Execution

Sound imaging.

Imaging is how the audio produced by speakers is interpreted by your brain to form a cohesive, well, image of the audio. If speakers image well, you don’t hear the individual speakers. Instead, you hear a full soundscape, with different instruments and voices apparently coming from different locations in front of you or to your sides. Imaging is the reason it can sound like a voice is coming from the middle of a speaker system when all you’re really hearing is a left channel and a right channel. To get imaging right, speaker designers have to listen to the production models and tweak them. It’s not something that can be done by looking at the specs alone. That’s part of the art of speaker design.

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How to Choose a Speakers

These are some aspects to consider if you are thinking on getting some new speakers. Take that in mind. Purchase wisely.

• The most important issue is what you hear. 

There are several design approaches which can give good performance, so the best test is sound quality at your ears. Take some music you know well and has been well-recorded to the store, and listen critically, not merely 'to the music'. 
Do drums sound like they do in real life. Can you hear the bass guitar play actual distinct notes or does the performance sound like a series of undifferentiated thumps? 
Do voices sound like actual voices or like electronically changed ones? 

• What else is in the room?

The space you'll place your speakers will affect the sound quality. Hard surfaces like windows and wood floors will reverberate sound, which can distort the audio by amplifying your speaker power or canceling out the sound. In this cases, more power will give us a better experience.

• Portable speakers 

They offer you placement flexibility, so you can enjoy music in any room, while traveling or at an outdoor party. Some portable speakers also feature a rechargeable battery, so you don't need to be near an outlet to listen, making it even easier to take your music on-the-go. Check also Bluetooth enabled media devices. 

• Rap on the speaker enclosure

If it vibrates or rings, or sounds flimsy, it is probably of poor quality, and you should look even more carefully. This is most important at low frequencies, so the enclosure for the bass drivers should always be solidly constructed. 'Satellite' enclosures for higher frequency drivers should also be, but may give good performance if more lightly built.

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Lose Weight Listening to Music

According to Brooklyn doctor Edward Podolsky, fast music ratchets up your metabolism and muscular energy, accelerating your heartbeat and elevating your blood pressure. A slow beat does the exact opposite.

What effect does music have on appetite?

Taste is the most obvious sense associated with food, but it is by no means the only sense we engage to enjoy a good meal. In fact, all our senses come into focus when we eat. 

A Johns Hopkins study found that music has the ability to influence the speed with which we eat. Slow music slows us down: test subjects listening to slow music downed three mouthfuls of food per minute, as compared to the five mouthfuls diners listening to a fast beat consumed.

Hoteliers and restaurateurs know that taste is only one aspect of a good meal. A recent British survey examined consumer responses over eighteen evenings. Diners were treated to classical music, pop music or no music during their meals. Results showed that people were willing to (and actually did) spend more money on the evenings they ate to the strains of classical music.

The bottom line

Pay attention to how your body reacts to the external stimuli it receives. Sight, sound, smell, touch and taste are all part of the equation

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Buying an Acoustic Guitar

When it comes to get an acoustic guitar, it is difficult to choose, since there are so many options other there. Here are a few aspects you may consider when buying a new guitar that will directly impact on sound and usage. These are just a few.

Size

Tonally, smaller guitars tend to possess greater brightness or treble response, while bigger guitars (with larger air cavities in the body), at least have a greater potential for bass response. A player who wants the greatest volume and projection might gravitate toward a longer scale instrument, while a player who wants the more delicate expressiveness of note bending might prefer a shorter scale instrument. \

Kind of Woods

In general, resonant woods like rosewood accentuate the bass response. Lighter woods like mahogany influence the treble response. Harder woods like maple aid in projection. Check the kinds of woods: 

Body Woods

Alder

Ash

Basswood

Korina

Mahogany

Maple

Maple/Mahogany

Poplar

Rosewood

Walnut

Exotics

Neck Woods

Mahogany/Ebony. 

Mahogany/Rosewood. 

Maple. 

Maple/Pau Ferro. 

Maple/Rosewood. 

Neck and Nut Width
Nut Width is definitely a significant factor in determining how a neck will feel. You can choose from our various sizes for a Nut Width that fits you perfectly!

1-5/8" (41mm)
This is the smallest nut width and considered "Vintage" since most of the guitar makers in the 1950s and 60s used this size. Smaller hands will find this very comfortable as do players who mostly play rhythm.

1-11/16" (43mm)
Considered the standard size of the guitar industry for the last 30+ years, 1 11/16 Nut Width allows for what many consider to be the perfect balance between chording and soloing. This is the most popular Nut Width size.

1-3/4" (44mm)
For those with slightly larger hands or soloing techniques when a slightly wider string spacing is desirable, this is just the ticket! Some 80s shredder guitar companies used this size along with large frets to create a unique soloing feel. It also may remind you of how an acoustic guitar neck would feel.

1-7/8" (48mm)
This would be the Grand Daddy of Nut Widths. Giant hands will love this size as would people doing specialized guitar building and adding more strings to the neck. Click on the link above for special information and pricing for this unique offering.

Tuning machines 
Tuning machines are the ones that makes the bigger work. In general, they have an average Rotations: 14/1 (this means that 14 spins of the knob outside equals to 1 spin of the string) 

The type of tuning machine your guitar has is very important. This is what allows you to fine tune and hold pitch. Enclosed machine heads resist rust and airborne corrosives, and therefore don’t require as much maintenance or replacement as open tuning machines.

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Bluetooth or AirPlay?

There are two ways to connect a Wireless Speaker. If you have an Apple device, you may want to use the Airplay. For any other device, there's Bluetooth, and here is when compatibility becomes a factor. Bluetooth can pair with apple devices two.  

Airplay

Airplay speakers are relatively more expensive than Bluetooth speakers, and they are significantly power-hungry and bulkier, which means they are not portable enough to be carried around your house. Airplay speakers are more expensive because manufacturers of these speakers paid an additional licensing fee which allows them to incorporate the technology in their product. In addition, this technology rely more on a Wi-Fi network.

Bluetooth

Bluetooth was first established in the market, though it doesn't have as many features as AirPlay, it does however support various mobile devices

Basically, it can simultaneously pair up two mobile devices. But it can only receive a stream from a single device at a time

Sound Quality / Conclusion

In regards of quality of the sound. They both have a pretty good one. WiFi, in the way it works has a faster response than Bluetooth, but you may not even notice the difference.

If you are the type of person (as I am) that is always thinking on possible scenarios, or let friends use your device, you need to get the one with more compatibility. However, Apple products have always shown that they are some milliseconds ahead, this is due to its incompatibility. 

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