ZK-AS21 2.1 Channel Bluetooth Power Amplifier Board Module TPA3255 Subwoofer AUX
1.Support Bluetooth 5.1, AAC decoding, clearer sound quality.
2.Multiple input methods to meet diversified audio needs.
3.High power output, strong performance of left and right channel and subwoofer.
4. Optimized heat dissipation design, TPA3255 package to enhance stability.
5. Perfect protection mechanism, safe and reliable use.
Product Name: 2.1-channel Bluetooth Audio Amplifier Module
Model No.: ZK-AS21 II
Input Mode: AUX+Bluetooth+U disk+USB sound card (dial wheel button to switch modes and songs)
Amplifier Chip: TPA3255
Bluetooth Version: 5.1
Audio Output: 2.1-channel (left+right+subwoofer)
Power Output: Left and right channels ≤ 220W, subwoofer ≤ 350W Voltage Gain: 30dB. 350W
Voltage gain: 30dB
Adaptable power supply: DC16-38V, ≥10A
Adaptable speakers:
Left and right channel 30-220W, 3-8Ω
Subwoofer 30-350W, 2-8Ω
Protection mechanism: anti-reverse connection, under-voltage, over-heating, over-current, and short-circuit protection (can be automatically recovered, no need to restart)
Switching mode: Mechanical switch (no need to wait for a long time to press)
Dimensions:
All-in-One : 141x132x27mm
Leaded Type: 123x132x18mm
1. In case the audio signal input is large enough and the power supply voltage/current is large enough, there will be enough output power!
2. The higher the supply voltage the higher the output power, the lower the speaker impedance the higher the output power!
3. Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier!
1 x Audio Amplifier Module
1 x Screwdriver
(Note: The knob accessory or enclosure version needs to be installed by yourself)
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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