Introduction

The Megatek Wireless Stereo Speakers T4-Pro offer an immersive audio experience with their True Wireless Stereo (TWS) technology. Equipped with premium speaker drivers and bass radiators, these speakers deliver clear, powerful sound with deep, resonant bass. The built-in LED lights sync with the music, creating a mesmerizing light show. With IPX5 waterproof rating and up to 12 hours of playtime, the T4-Pro speakers are perfect for both indoor and outdoor use. The MEGATEK T4-Pro speakers are priced at approximately $59.99.

Important Notice:

Please fully charge your Bluetooth speakers before first use. Your new speakers may arrive with their built-in batteries low, and low batteries may cause sound distortion, unstable connection etc. 

Pairing the Speakers for True Wireless Stereo

These speakers can be used as a pair, or individually.To use individually in different rooms, simply connect both speakers to different Bluetooth devices. In order to use the speakers as a pair in true wireless stereo (TWS) mode, follow the TWS pairing process in the user manual.

Safety Instructions

• Avoid dropping.
• Do not disassemble.
• Do not submerge in water.
• Avoid extreme temperatures.
• Do not use the device outdoors during thunderstorms. 
• Use original or certified cables.
• Do not use any corrosive cleaner/oil to clean.

Specifications

• Micro USB socket: DC 5V 1A
• Audio output: 2 x 6W RMS
• Li-polymer batteries: 2 x 1000 mAh
• Charging time: 3-4 hours 
• Size: 3.9 x 2.8 inches
• Bluetooth: Version 4.2
• Pairing name: Megatek T4 Pro
• Bluetooth wireless range: 150 feet (line of sight)
• TWS wireless range: 15 feet (line of sight)

Package Contents

Product Overview 

Front View

1. Press and hold:
   Power on/off.
   Press and release:
    Switch LED ligth modes / Turn off LED lights.
2. Press and hold: 
   Skip back (Bluetooth mode).
   Decrease the volume progressively (AUX mode).
   Press and release:
   Decrease the volume in steps.
3. Press and hold:
   Reject call / End call (Bluetooth mode).
   Note: Not available in AUX mode.
   Press and release:
   Play / Pause / Answer call / End call (Bluetooth mode).
   Mute / Unmute (AUX mode).
4. LED Indicator
   Solid Red: Charging.
   Off: Fully charged / Power off. 
   Flashing blue quickly: Searching for Bluetooth devices.
   Flashing blue slowly: Bluetooth paired (TWS mode).
   Solid blue 
   Single-speaker mode: Bluetooth paired.
   TWS mode: Native speaker.
   Solid green: Aux-in mode.
5. Press and hold:  
   Skip forward (Bluetooth mode).
   Increase the volume progressively (AUX mode).
   Press and release: 
   Increase the volume in steps.
6. Press and hold:  
   Unpair your current Bluetooth device and search for new devices. Press and hold it again to connect back to the last paired Bluetooth device.
   Press and release: 
   Operate either of the two speakers, it will search for the other for TWS pairing, a tone will sound when pairing is completed.  When TWS paired, both speakers will work together as one 2.0 wireless speaker system, with only one Bluetooth pairing ID ("Megatek T4 Pro") for pairing with external Bluetooth device.
   Press it again to disconnect TWS pairing.

Back view

1. Speakerphone
   Built-in speakerphone for hands-free calls.
2. DC 5V Charging Port.
3. 3.5 mm Aux Input.

Description

The Megatek Wireless Stereo Speakers T4-Pro boast a sleek and sturdy design with a premium finish. Each speaker features a 4-inch woofer and a 1-inch tweeter, ensuring balanced audio reproduction. The T4-Pro has a rechargeable battery that provides up to 10 hours of playback on a single charge. The speakers also include multiple input options such as USB, TF card slot, and an auxiliary input, allowing for diverse playback methods.

The control panel on the speakers offers intuitive navigation with buttons for power, volume, play/pause, and mode selection. The LED indicators provide visual feedback for different modes and battery status.

Positioning the Speakers

It is important that you consider carefully in advance where your Bluetooth Speakers will be situated and make sure that they are:

• On a flat and stable surface.
• At least 1 meter away from other electrical appliances to avoid interference.
• Where  they will be in range of the connected or ‘paired’ Bluetooth device (e.g. iPhone/Android phone/computer), which is about 150 feet or less in line of sight.

Using Your Speakers

You can use both speakers separately as two normal Bluetooth speakers, or pair them together as one 2.0 wireless stereo speaker system with its built-in True Wireless Stereo (TWS) technology.

Power On
Press and hold the Power button for 2 seconds to power on - the LED indicator will flash blue with an audible alert.

Power Off
Press and hold the Power button for 2 seconds to power off - the LED indicator will turn off with an audible alert.

Note

• When the two speakers are TWS paired, press and hold the Power button on either of the speakers for 2 seconds and then both speakers will switch off.
• If the Bluetooth speakers don't receive an audio signal for approximately 15 minutes they will power off automatically.

Adjusting the volume

• Press and release to decrease the volume in steps.
• Press and hold to progressively decrease the volume (AUX mode).
• Press and release to increase the volume in steps.
• Press and hold to progressively increase the volume (AUX mode). 

Note: You will hear an audible alert when the minimum or maximum volume level has been reached. 

Megatek Wireless Stereo Speakers T4-Pro TWS Pairing

For first time TWS pairing, turn on both the speakers and wait for about 30 seconds, they will pair automatically via TWS when they are within the range of 15 feet or less, line of sight, a tone will sound once TWS pairing is completed.

In TWS mode, one speaker will work as host speaker and left channel with LED indicator flashing blue, and the other as right channel with LED indicator solid blue. 

Now that you have paired both the speakers via TWS for the first time, they will pair via TWS immediately next time when both power on and within TWS range. Or you can press and release the     button on either of the two speakers to manually start TWS pairing or disconnect them.

Note: TWS pairing is not available when both speakers have already paired with Bluetooth devices, disconnect at least one speaker before TWS pairing.

Connect to a Bluetooth Device 

Turn on both speakers, enter Bluetooth mode on your Bluetooth enabled device and search for  "Megatek T4 Pro"  and select it to pair, a tone will sound once the pairing is completed. When paired, play music on your connected device.
The above pairing processes also apply to one single speaker being used separately.

Now that you have paired your device with the Bluetooth speakers, it will automatically connect to them when it is within range of 150 feet or less, line of sight.

Note: You can press and hold the button to unpair your current device and search for new devices.

Setup Guide

• To set up the Megatek Wireless Stereo Speakers T4-Pro, start by charging the batteries if they are not fully charged. Once charged, turn on the speakers and select the desired input mode using the control panel. For wireless connectivity, enable Bluetooth on your device and search for the speakers. You can also use NFC pairing by tapping your compatible device on the NFC logo on the speaker.
• To configure the speakers for stereo mode, ensure both speakers are turned on and set to the same input mode. Press and hold the volume down button on one speaker and the volume up button on the other until the LED indicators flash, indicating successful pairing.

Hands-Free Calling

• To answer/end a call: Press the buttonon the host speaker (Bluetooth mode).

  

• To reject a call: Press and hold the on the host speaker for 2 seconds (Bluetooth mode).

  

Megatek T4-Pro AUX In Mode

In TWS mode, insert the supplied AUX audio cable into the host speaker with the blue LED indicator flashing, and the two speakers will automatically switch to AUX IN mode, with the LED indicator of the main unit changes into solid green. The same operation will also apply to either one speaker working individually. 

To gain optimal volume levels, adjust the volume level on both the secondary device and on the speaker.
Note: After you have finished listening to your external device you must unplug the audio cable from the Aux in socket, to be able to use them as Bluetooth speakers again.

Charging

When the battery power is extremely low, you will hear three audible alerts every 60 seconds before the speakers are forced to power off automatically. You should plug in and recharge your Bluetooth speakers straight away.

Note

• It will take approximately 4 hours to fully charge your Bluetooth Speakers. When fully charged, unplug the micro USB charging cables.
• When the battery power is low but before audible alerts, the maximum volume level may be set at 80%.

WARNING

• Never open the device casing under any circumstances.
• Do not place any objects, such as burning candles on the device.
• Do not cover the device with newspaper, tablecloths, curtains, etc.

Troubleshooting

1. If you encounter issues with connectivity, ensure that both the speakers and your device are in close proximity and that Bluetooth is enabled. Restarting both the speakers and your device can often resolve pairing problems.
2. If the sound quality is poor, check for any obstructions between the speakers and your device that may be causing interference. Additionally, make sure the volume levels on both the speakers and your device are turned up.

For battery-related issues, ensure the speakers are properly charged. If the battery life seems shorter than expected, consider resetting the speakers by pressing and holding the power button for 10 seconds.

12 Months Warranty

Megatek Electronics warrants your new product to be free from defects in materials and workmanship for a period of twelve (12) months, from the date of receiving. This warranty is in addition to your rights under Amazon’s return and refund policies which apply to your purchase.
Megatek will provide you with your choice of a full refund or exchange (where possible) for this product if  it becomes defective within the warranty period. Megatek will bear the reasonable expense of claiming the warranty. This warranty will no longer apply where the defect is a result of alteration, accident, misuse, abuse, or neglect. 

Pros & Cons

Pros

• High-Quality Sound: The T4-Pro delivers robust bass and clear treble, providing an immersive audio experience.
• Portable and Durable: Waterproof and lightweight, these speakers are perfect for outdoor use.
• Multiple Connectivity Options: Supports Bluetooth, NFC, USB, TF card, and auxiliary input.
• Long Battery Life: Up to 10 hours of continuous playback.
• Easy Setup: Intuitive control panel and straightforward pairing process.

Cons

• Size and Weight: While portable, the speakers may be larger than some users prefer.
• No Built-In Microphone: Not suitable for hands-free calls or voice commands.
• No Carrying Case Included: Additional accessory purchase may be necessary for protection during transport.

Customer Reviews

Customers have praised the Megatek T4-Pro for its impressive sound quality, ease of use, and durability. However, some users have noted that the speakers are slightly heavier than expected and that a carrying case would be a welcome addition.