ZK-MT21 TPA3116 2.1 Channel Bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W

Features:

【2 in 1】High-quality power amplifier board. It has two audio input modes, AUX and Bluetooth, two in one. 5.0 Bluetooth version, higher transmiion efficiency, longer transmiion distance

【High performance】Bluetooth audio power amplifier module with 2.1 channels, the maximum output power is 2X50W+100W. With and base, the signal is better, the efficiency is high, and the anti-interference ability is strong

【Protection mechanism】 It has short-circuit protection, over-current, over-heat, and anti-reverse protection to prevent complete fai. When an overload occurs, the device reports the fault to the proceor to protect itself from damage

【High Quality】 Use copper DC connectors and barrier terminals. It can withstand high current without heating or damaging wires. No DC head lead, compatible with the input power interface of this product, even if you don’t have a DC head adapter or battery, you can easily wire it

【Application】 With ba, , subwoofer frequency and volume control, you can easily adjust the volume and enjoy the music tone you want. Widely used in shop solicitation, home theater, square speakers, etc.

Specifications：

Model: ZK-MT21

Bluetooth version: 5.0 (15m unobstructed)

Audio input: AUX + Bluetooth

Channel: 2.1

Input sensitivity: 500mV

Adapted power supply voltage: 12-24V/5A or more (do not connect 24V battery pack)

Speaker: 20-100W, 4-8Ω

T: If the audio input is sufficient and the power supply voltage/current is sufficient, there is enough output power. The higher the power supply voltage, the greater the relative power. The output power of speakers with different impedances is also different. In the case of sufficient voltage and current, the greater the of the speaker, the smaller the relative sound power. Please make sure that the power of the adapter is greater than the actual working power of the amplifier.

Package includes:

1*ZK-MT21 power amplifier board

1*set of protective shell

1*Power adapter

1*a pack of screw acceorie

1*screwdriver

5*knob cap

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.