How to connect an external microphone to an Android smartphone


Current selection of reliable wired models and easy-to-use Bluetooth adapters for connecting headphones to various media devices.

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How does the microphone-phone connection work?

Any model uses a standard 4-pin plug and has up to 2 signal tracks per input. The mobile gadget receives outgoing stereo sound. The phone gives back 2 stereo outputs to the headset. This is a “socket” - a hole with connectors for input and output. The input ends of the connected device (TPC), unlike four-pin ones, work differently. Because of this, the device cannot be connected.

To get clear sound, you need a microphone with an adapter or adapter. It is important that the latter has 4 contacts, and the input is TRS or XLR type.

Connecting microphones

The choice of equipment always determines the purpose of its use. People of different professions have their own requirements for a sound recording device. The equipment is divided into wired and wireless.

Wired devices

The following types of headsets are distinguished:

  1. “Pelichka.” A wire 1.5 m long is enough. If it is more than 7 m, you need a cylinder on which the cable is wound to make work comfortable. To record audio material from a lavalier microphone to a smartphone running Android OS, a splitter is used as an adapter. Without it, smartphones can only detect condenser loops.
  2. Rode SmartLav+. Professional model. Directional type: circular. Made in a metal case with a wire in strong insulation. Fits into a 3.5mm jack and is compatible with Android. Wind protection and a crocodile clip are provided.
  3. The microphone is a “gun”. Does not have the disadvantages of lavalier audio devices. He writes the sound in front of him, sanding to the sides, and the result is a clean sound.
  4. Saramonic SmartMixer. This is a system with which you can make stereo recordings. Includes mixer, grip and 2 directional microphones. If necessary, they can be replaced with others - 3.5 mm jacks are used for connection. An additional mini-XLR connector can be used to connect a vocal microphone.

The mixer in Saramonic SmartMixer is connected to a smartphone via a 3.5 mm output - the kit contains the necessary cable. The screen displays the sound level for each track. The volume parameter is adjusted using a toggle switch. The system powers remote microphones and maintains a charge from a 9V battery. The operating time of the equipment is up to 2.5 hours.

Wireless devices

Connected via Bluetooth connection. To switch devices, you need to pair them. Setting up Bluetooth on each gadget is different - you need to read the instructions that are in the box with the equipment.

The Sennheiser Memory Mic (“lovaliere”) model is popular. Its type is condenser, its direction is circular. Sennheiser Memory Mic interacts with the Android system via bluetooth 4.1 protocol and operates remotely. For full-fledged work there is a native program. The battery holds a charge for 3-3.5 hours. The USB Type-C port is used to charge the device. Thanks to these parameters, the microphone becomes a means for recording high-quality video and creating a small recording studio on the phone platform.

Connecting a wireless microphone to your smartphone

To connect a wireless microphone or miniature headset, you must use a Bluetooth connection. To create switching between devices, you need to activate the function on each individual device.

To turn on the microphone, you need to press a special button. A light indication will appear on the display indicating that the device is ready for switching. The Bluetooth switching system is configured individually on each individual device.

Reference! Before making connections, be sure to read the included instructions.

To activate your smartphone, you need to enable the “Bluetooth” item in the menu. The connection will begin to function, and a list of available devices will appear on the screen. You need to select the desired headset. After correctly performed steps, pairing will begin.

There are microphones that require a special PIN code to connect. Only after this is complete pairing established. By default, this password looks like four zeros. But the code depends on the manufacturer itself. Sometimes it changes. You can find out the meaning of the pin code in the instruction manual included with the microphone.

If the connection was completed without errors and the PIN code was entered correctly, you can start using the equipment. The corresponding light indication will be visible on the screen.

Features of connecting a microphone depending on the smartphone model

Different brands of phones have the specifics of connecting both with wired (lavalie) microphones and with wireless gadgets. Some smartphones running Android 5 and above are compatible with any USB microphone paired via a USB OTG cable.

The set with audio equipment includes a number of adapters that allow you to connect to any port. An adapter can be used using the same principle. Some brands of equipment only support a connection when you enter a PIN code on the phone screen. According to factory settings, this is most often (but not always) 4 zeros.

When connecting the lavalier to the phone, you need to have a splitter cable. It splits the mini-jack input into 2 channels: one for headphones, the other for a headset. To connect a microphone to an Android smartphone for karaoke, use the 3.5 mm input jack or turn on bluetooth. The adapter is inserted into a mini-jack or USB, then an audio device is connected to the adapter. A large number of additional devices can make the sound muddy due to multiple signal aberrations.

There are brands that work without the help of third-party equipment.

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