XH-M548 2x120W Power Bluetooth Dual Channel Digital Amplifier Module TPA3116D2 Audio Amplifier Board

$39.34
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 
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  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Description:

This product is a built-in TPA3116D2 chip with the power of 2*120W Bluetooth channel digital power amplifier board.

Specifications:

Parameter

Value

Chip

TPA3116D2

Supply voltage

DC12-24V

Output power

120W*2  

Supply current

More than 3A

Power ratio

More than 90%

Bluetooth module

BTM835/CRS8635 (4.0 version)

Transmission distance

Max 10M( without interfere)

Vocal tract number

2 channel (High bass control)

switching frequency

1.2MHz

Appearance size

98*80*18mm


Models that support Bluetooth connectivity:

Android series
IOS series
Windows series

 Bluetooth connection method:

Take mobile phone as an example
1>. Turn on Bluetooth.
2>. Open “Let all the devices around you detect your cell phone”.
3>. Click on the search device “Speaker”, to connect.
4>. Bluetooth state indicator does not blink alternately, open the player to listen to music.

Bluetooth module parameters:

Parameter

Value

Bluetooth specification

Bluetooth V4.0

modulation mode

GFSK,π/4 DQPSK,8DPSK

Supply voltage

3.3-4.2V

Bluetooth protocol

HFP V1.6,HSPV1.2,A2DPV1.2,AVRCPV1.4,DIV1.3

Working current

Less than or equal to 30 mA

Standby current

Less than 50 μA

temperature range

-40 celsius to +80 celsius

Wireless transmission range

10m

Transmission power

Support CLASS1/CLASS2/CLASS3 Max adjustable 8d8m

sensitivity

-80dBm less than 0.1%BER

frequency range

2.4GHz-2.480GHz

External interface

PIO,SPI,Audio in/out and PCM,USB

Audio performance support

AAC,MP3,SBS, Stereo

Audio to noise ratio

More than 75dB

Distortion degree

less than 0.1%

Module size

21.9*14.1*1.8mm


Application:

1>. Connected mobile phone and computer
2>. Home Theater
3>. DIY audio

Using Attention:

Please do not connect the power and the speaker freely. Please refer to the data provided by the product description for reasonable collocation. Otherwise, the function board will be damaged.

Warm tips:

Power amplifiers can be noisy in some cases. Here are some common reasons
1>. Hardware problem:
The power supply is unstable, or the power supply module generates interference.
The influence of switching power supply as power supply.
Using transformer power supply, do not do shielding isolation.
There are electromagnetic interference in the use of the environment.
The audio input device itself has problems.
HOW TO SOLVE:
Power and power amplifier should maintain a certain distance. To avoid electromagnetic interference, it is best to use high quality power supply, power supply will be stable.
If you use transformer and other power supplies, it is best to use iron cover to prevent electromagnetic interference.

 2>. Software problem:
Interference of Audio driver settings
Interference of Player effects
HOW TO SOLVE:
When the power amplifier is connected to the computer or mobile phone, the relevant special effects software or sound card driver special effects can be set off.
Using special effects to ensure that the output of the power amplifier is not affected.

Package Included:

1 x XH-M548 2x120W Power Bluetooth Dual Channel Digital Amplifier

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