Homemade speakers for your phone with your own hands. DIY music speaker for your phone

If you don’t have a ready-made board with ULF, just solder it according to this scheme. You can read it here. I checked - everything worked perfectly.

The power output is about a watt. Therefore, I took on a more reliable design of the structure. But first things first...

1. Introduction. I had Chinese speakers - genius. But they bought me a subwoofer and powerful speakers, and threw these geniuses into a drawer.
But one day, after watching a video on YouTube of how people make speakers in a cardboard box, I decided to make a portable speaker for my mp3 player myself.

2. Dad taught. Everything is fine with the electronics and I figured out what to do to make the speaker portable - exclude the transformer that converts 220V to 9V from the power supply circuit of the speaker amplifier. And directly connect the crown battery.

3. Ololo. I made a demo version, assembled on the table: HURRAY EVERYTHING WORKS! But a problem arose: after three hours of operation, the speaker began to wheeze and grumble (as it turned out, there was not enough current). Almost the entire forum helped me solve this problem - thank you all very much! In fact, you just had to connect the second crown in a direct connection (not in series). When turned on in this way, the current increases, but the voltage remains the same.

4. Design options. When I watched a video on YouTube about mobile speakers, I was ashamed. Because quite good inventors made the housing for the speaker out of cardboard. I decided not to embarrass myself and collect decent body made of plexiglass. This decision was made for several reasons:

A) plexiglass is transparent and paint can be applied from inside the case, then it will not be scratched.

B) this is the only material I had (except cardboard).

5. Frame. I had a piece of plexiglass stained with paint. I had to scrape off the paint, which left scratches, but I found a way out: clean the plexiglass with scratch pad (sandpaper). And make it matte. Having completed these operations, I marked the body on a sheet of cardboard, where, as always, I made mistakes: I did not take into account the thickness of the plexiglass. Having cut the plexiglass into pieces, I trudged into the garage to finish the parts on the grinder. The next day, having previously assembled the case and tried on the speaker, I took into account all my mistakes and... again trudged to the garage... Finally, the case was assembled!

6. Painting works. Having disassembled the body for painting, I degreased the inner surface of the body and applied masking tape. Carefully, using an office knife, I cut out semicircles on the tape and “removed everything unnecessary.” Next I painted the surface.

7. Assembly. The painted body was assembled like this: first I taped all the junctions of the corners with masking tape from the inside. Then he began to twist the sides. Having assembled the box, I placed a rubber “mat” on its bottom so that the amplifier contacts did not short out to the bolts. Next I installed the amplifier itself. I didn’t want to think about fastening the speaker, so it is attached to the bottom of the box with two studs standing diagonally. The wire came out from the side.

8. Characteristics. Dimensions of the finished speaker: height 6.5cm, length 11.5cm, width 8cm. Weight 200+/-10g. It is powered by two “crown” batteries with a total cost of 35 rubles. It is advisable to remove the batteries after each use of the speaker. Access to the insides of the speaker is gained by removing the speaker.

9. Manufacturing Features. Replaced two capacitors on the amplifier. One wall of the case cracked after falling from a workbench in the garage into an inspection hole. I was fiddling with the output contacts (the sound was distorted). Nevertheless, I was pleasantly pleased with the result - they play no worse than store-bought ones, plus pride in the device I assembled with my own hands :)

A video clearly showing the speaker assembly process and the final result.

Of course, speakers housed in a wooden case will have a much more pleasant sound, but with such a low power of the speakers this is not critical. Author of the design: Romanenka

Discuss the article HOMEMADE PHONE SPEAKERS

There is probably no person on the planet who does not like to listen to music. Modern technologies allow you to do this anywhere and with the help of different devices. Some people prefer to listen to music on a computer or laptop, and some prefer to listen to music on headphones. Be that as it may, there are times when it is not possible to take a laptop with you, but you want to listen to music. This is exactly what they came up with portable speakers, which can be connected to the phone. A high-quality portable speaker for a phone can cost a lot of money, so many people are wondering how to make a radio at home.

Pipe column

Before you begin assembling the column, you need to collect all the necessary materials and tools. In fact, this stage is quite important, since the quality of the sound depends on the quality of the parts. For a homemade portable speaker you will need the following items:

• Amplifier. This part can be purchased on the radio market. Its approximate cost is 100 rubles. It is better to use elements that are assembled on a high-quality microcircuit;
• Speaker at 3w, 4 Ohm;
• Several wires of short length;
• Battery;
• Power button;
• Soldering iron;
• Housing for the device;
• 3.5 mm plug. It can be taken from old headphones;
• A mesh that will serve as protection for the speakers;
• Special glue;
• Charging socket;
• Construction knife.

If everything necessary tools and the parts have been collected, you can start assembling. For those who don’t know how to make a speaker for a phone themselves, you must first determine the most important design elements of this equipment.

The device can be divided into several parts:

1. Frame;
2. Speaker;
3. Electronics.

Portable speaker

Assembling a speaker for a mobile phone with your own hands begins with making the case. To create the base you can use different materials. In this example, we will consider the option of using a regular small box. You should pay attention to the structure of the material from which the box is made. It is better that the box is made of thick cardboard.

The first step is to cut a hole in the lid of the box. This can be done using a construction knife. To make the hole even, you can draw a circle with a compass. It is also necessary to prepare a place for the button and wire. To do this, a small hole, approximately 0.5 centimeters in diameter, and an opening for the button are cut out on the side.

Making a protective mesh for speakers

To avoid accidentally damaging the speaker when using the device, you need to know how to protect it. This can be done by making a mesh that will be attached to the top. To do this, you will need a construction fine mesh. You need to draw two circles on it, one the diameter of the speaker, the second a centimeter larger. After installing the speaker into the housing, the protective mesh can be screwed on top.

Manufacturing of electronic parts

For many, this stage is considered the most difficult, since they do not know how and what to solder. The first step is to solder two wires to a special mount on the speaker. This must be done on different sides. Next, the edges of the resistor are bent and attached to the mosfet. One side of the wire that will connect to the crown is also attached here. A wire from the speaker is attached to the free pin, and a capacitor is soldered to the pin that is without a wire.

After this, the wires from the button are attached to the capacitor and the second wire from the speaker. After everything is already soldered, you can connect the crown.

Assembly diagram

Installing speakers into the cabinet

After everything is soldered, you can begin installing all the parts into the case. The first step is to attach the speaker to the base. This can be done using glue. Then all other structural elements are put in place and secured with glue.

Important! Also, do not forget about the mesh; it must be attached on top of the speaker.

Features of homemade computer speakers

You can use the speakers not only by connecting them to your phone, but also to your computer. In order for the device to work on a home PC, it needs to be made more powerful. For this, larger speakers are used, as well as an amplifier.

Also, computer speakers are significantly larger in size. All this must be taken into account when making a portable speaker with your own hands.

Do-it-yourself amplifier for a portable speaker

For those who don't know how to make a speaker amplifier, you need to learn the basic structure of the device. After this, you can begin assembly. First you need to solder the jack to the first wire from the speaker. The main ones are white, green and blue wires. The extreme inputs are directed to the sound of the amplifier.

It is necessary to solder together 2 transistors and a capacitor. The output from this will be a half-bridge rectifier. One of the switch wires is attached to the amplifier.

Next you need to solder the amplifier output to the speaker. Then, through the switch, power is soldered to the amplifier to the battery plus. To be able to recharge the audio device, you need to make a USB socket. After this, the socket can be displayed on the side panel of the device.

Speaker for computer from phone

To make a speaker from an old home phone personal computer, it must first be connected to this device. To do this, you need to install additional software on both your PC and smartphone. software. This method will allow you to use your phone as sound device at any time. The program is called SoundWire.

Important! After installing the program, you must enable it on both devices at the same time.

After this it will happen automatic connection between computer and phone. The program works using the Internet, so Wi-fi must work. After connecting, you need to confirm the detected device on the computer and you can start checking the new speaker.

If you don’t have money for new speakers, but you want to listen to music, you can make it using improvised means. To do this, you need to collect all the necessary tools and parts. The structure must be assembled according to the instructions. You can also use a mobile phone as a speaker.

When you want to enhance the sound of your device, be it a phone or tablet. We turn the volume up and the app drains the battery. But sometimes the volume is not enough. At home, if there is an outlet, speakers are used. Outside the home, a portable speaker can help solve the power problem, but their prices are quite high. I decided to remake cheap speakers. The cost of modification is low, and the result will satisfy many.

Will need

• - small-sized computer speakers;
• - wires;
• - soldering iron, drill.

Making speakers for a smartphone

Very simple and quick way make a very loud speaker for your phone. The most important component will be an audio amplifier based on the PAM8403 chip, this amplifier can be purchased on aliexpress for 30 rubles, all links will be below.

For production we will need:
Materials:
1. Any jar of cream.
2. Battery (3.7 V).
3. Switch.
4. Headphone cable.
5. Mini sound amplifier.
6. Battery charge controller.
7. Two speakers.
.
.

We will assemble the column according to this circuit, which is powered up to 5 VOLT (no longer possible), but this circuit lacks a controller, you can do without it, it does not play a big role since the telephone battery already has a built-in controller.

Let's get started.

First, let's take a jar and mark where the switch will be located in the future.