MAS X5i Five Driver HiFi in Ear Monitor Headphones Bluetooth Combo with 12 Hours Continuous Listening Time MMCX Bluetooth Cable, Silver Plated Audio Cable, Inline Remote Cable with MEMS Microphone

  • FIVE LINEAR DRIVER DESIGN: MAS’s proprietary full-range Five Linear Hybrid Driver is composed of four Balanced Armature drivers to produce solid lows, precise mid-range, crystal clear highs and one specially tuned Dynamic driver to produce ultra bass. The MAS X5i provides Hi-Res Audio certifed audiophile grade sound.
  • CORE ARRAY TECHNOLOGY: MAS’s Core Array Technology aligns all components of the driver to increase efficiency, reduces distortion and produces unrivaled sound quality along with spacious soundstage.
  • BLUETOOTH CABLE: The MAS XX Bluetooth Cable with MAS proprietary audio amplifier, Bluetooth version 4.2 technology and up to 12 hours listening time on a single charge allows you to enjoy high fidelity sound of the MAS X5i Headphones with the freedom of wireless. The MAS XX Bluetooth Cable is also water resistent rated IPX4 and sweat proof.

Product Description

MAS X5i Five Driver HiFi in Ear Monitor Headphones Bluetooth Combo with 12 Hours Continuous Listening Time MMCX Bluetooth Cable, Silver Plated Audio Cable, Inline Remote Cable with MEMS Microphone : Product Description



First, let’s start with “What is Bluetooth?”

Bluetooth is a wireless communication standard. Compatible devices can exchange data without connecting cables. The valid range is about 10m. Because it is an international standard, any compatible device can be connected by any manufacturer in each country.

Bluetooth mark
A person who says, “I can’t get right to the point …” may be more natural to understand if you listen to the examples. For example, imagine a Bluetooth earphone.

Until now, earphones were designed to insert the end of a cable into a smartphone or PC. However, if you connect a Bluetooth-compatible headset to your smartphone, you don’t need a rope. To wirelessly transmit music data from smartphones to earphones, Bluetooth earphones can also be used in independent shapes like earplugs.

Causes and Solutions for Losing Mobile devices Bluetooth Connection

When the smartphone is connected to the car audio system, the sound may be interrupted.

It is necessary to check whether there is any problem with the smartphone or car audio used. Still, it can be solved by ” clearing the cache” (for Android) with the smartphone or “deleting device information” on the setting screen In some cases.

In some cases, the file cached by the device OS update may be damaged, and the Bluetooth connection may not be appropriately established.

In that case, clearing the cache will remove the offending file, recreate the correct folder, and ensure a successful Bluetooth connection between your smartphone and car audio.

Pair with Windows 10 PC

  • Step 1 Select Action Center at the right end of the taskbar on your computer and select [All Settings].

*The setting screen differs depending on the OS version.

  • Step 2 When the [Settings] screen opens, select [Devices].
  • Step 3 Set the headphones to the device registration mode (pairing mode).
    Hold down the “power” button or “PAIRING” button on the headphones until the lamp on the central unit blinks (about 7 seconds).
    There are the following two patterns for the lamp blinking.

The blue lamp blinks twice each time
Blue and red lights flash alternately
Refer to the instruction manual as it varies depending on the model.

  • Step 4 Select [Bluetooth and other devices] on the computer, and select the [Add Bluetooth or other devices] button.

* If the [Bluetooth] function is [Off], set it to [On].

  • Step 5 When the [Add a device] screen is displayed, select [Bluetooth].
  • Step 6 When [〇〇 (headphone model name)] is displayed, select it.

* If you are asked for a passkey, enter “0000 (Zero Zero Zero Zero)”.
A passkey is sometimes called a passcode, PIN code, PIN, password, etc.

  • Step 7 Confirm that “Connected to music” is displayed under the headphone model name, and select [Done].

This completes the pairing process with the headphones.