eBay

Feature:

1. Button Control: Stereo mini amplifier board, high transmission effect and stability, with button control, convenient to control volume up and down, switch on and off, etc.
2. Power Supply: This mini amplifier board uses micro 5p interface power supply, ordinary cell phone charger 5V 2A charging cable can be used (not included), convenient and fast.
3. Output Interface: Amplifier module has two sets of speaker output ports (one for left and one for right channel), and it is recommended to connect 4 ohms 5W‑50W speakers.
4. Working Mode Switching: Professional amplifier module, can freely switch CLASS AB or CLASS D working mode according to sound preference and power matching.
5. Easy To Use: Integrated power switch and volume knob, when the sound is adjusted to the minimum turn counterclockwise and hear the click sound that is off, turn clockwise to turn on.
6. Applications: Sound power amplifier board device to adjust the volume through the switch, ideal for DIY speakers. Be widely used in store solicitation, home theater, speakers, etc.

Specification:

Item Type: Mini Amplifier Board
Material: PCB
Power Connector: Micro 5p (Reserved for 2.5mm/0.10in Solder Port)
Input Voltage: 3.7V-5V
Amplifier Operating Mode: Switchable Class AB and Class D
ANR: 90DB
THD and N: -70DB
Crosstalk: -86db
DNR: 91db
Output Interface:
Speaker output port x 2 groups (left and right channel each group), recommended to connect 4Ω 5W-50W power speakers to use
Users can freely switch CLASS AB or CLASS D working mode according to sound preference and power matching.
Product Features:
Power switch and volume knob integration, the sound is adjusted to the smallest counterclockwise rotation, hear the click sound that is off, clockwise rotation that is on
Product Use:
Cell phones, laptops, tablets, sound signals through the 3.5mm sound cable connected to the stereo amplifier output

Package List:

1 x Mini Amplifier Board

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Payment must be received within 3 days from the date of purchase.

All the items will be dispatched within one business day by Airmail after the payment is clear.

Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday, weather, customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery.

We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will do our best to solve any problem(resend or refund any missing item).

Customs duty is obligation and liability of citizens in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs.

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2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

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