ZK-TB21F TPA3116D2 Bluetooth 50W*2+100W 2.1 Channel Power Audio Amplifier Board
1. Exquisite appearance, beautiful arrangement of components
2. Products with their own protection mechanisms: overvoltage, undervoltage, overheating, branched current detection, short circuit protection, etc.
3. Potentiometer separation version is easy to use, not limited by the spacing of the case
4. High-quality amplifier chip TPA3116D2 with AM interference suppression function
5. Play more rich and diverse: subwoofer expansion, the addition of microphone preamp board
Product name: 2.1 channel Bluetooth amplifier board module
Product Model: ZK-TB21F
Bluetooth version: 5.0 (unobstructed, 10 meters)
Input sensitivity: 500mV
Input mode: AUX+Bluetooth
Number of channels: 2.1 channels
Power amplifier chip: TPA3116D2 (with AM interference suppression function)
Power supply: DC12~24V/5A or more (the higher the voltage, the higher the output power)
Applicable speakers: 20~100W, 4~8Ω
Output power: left and right channels ≤ 50W
Subwoofer ≤100w
Protection mechanism: over-voltage, under-voltage, overheating, DC detection, short-circuit protection
In the case of sufficient audio input and sufficient power supply voltage/current, there will be sufficient output power!!!
The higher the power supply voltage the greater the output power, the smaller the speaker impedance the greater the output power!
Please ensure that the power of the adaptor power supply is greater than the actual working power of the amplifier!
Amplifier module * 1
Accessories combination *1
Domestic
We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.
International
Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.
Combined Postage (for items with shipping charges):
We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.
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