$10.10 $4.75
ZK-MT21 2x50W+100W 2.1 Channel Subwoofer Digital Power Amplifier Board AUX 12V 24V Audio Stereo Bluetooth-compatible 5.0 Bass Amp for Home Theater Speaker
Feature:
The Bluetooth-compatible audio power amplifier module has 2.1 channels and the maximum output power is 2X50W+100W.
It has two audio input modes, AUX and Bluetooth-compatible, and a two-in-one power amplifier board. Bluetooth-compatible5.0, higher transmission efficiency, longer transmission distance
It has short-circuit protection, over-current, over-heating, and anti-reverse protection to prevent total failure. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage
It adopts copper DC connectors and barrier terminals. It can withstand high current without heating or damaging wires.
Classic appearance multi-function main knob. The main knob adopts a rotary encoder that is only used in high-end power amplifiers, which realizes 360-degree stepless tuning and a smooth one-key start and stop. The operation is simple and convenient by long pressing the switch.
With bass, treble, subwoofer frequency and volume control, you can easily adjust the volume and enjoy the music tone you want. It is widely used in shopping malls, home theaters, speakers, etc.
Specification:
Product name: 2.1 channel Bluetooth-compatible audio power amplifier module
Product model: ZK-MT21
Bluetooth-compatible version: 5.0 (unobstructed, 15 meters)
Input sensitivity: 500mV
Input method: AUX+ Bluetooth-compatible
Number of channels: 2.1 channels
Power amplifier chip: Domestic power amplifier chip
Adapter power supply: above DC12-24V/5A (24V battery pack is not allowed)
Adapted speakers: 20-100W, 4-8Q
Output power: left and right channels <50W; subwoofer <100W
Protection mechanism: Anti-reverse connection, overheating, overcurrent, short circuit protection
Product size: 93mm*90mm*22mm
Product weight: about 130g
Notice:
The product can be connected with an external antenna, but does not include an antenna and an antenna base, please purchase it separately.
Tip: Only when the audio input is enough and the power supply voltage/current is enough, there will be enough output power!!!
The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power!!! Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier!!!
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
1 X Power Amplifier Board
1 X Accessory Pack
China, Israel, United States, SPAIN, Australia, France
Transparent, Orange, Khaki, Sky Blue, Silver, Black, Gold, Red, Blue, Gray
Yes
/
There are no reviews yet.
Only logged in customers who have purchased this product may leave a review.
Shipping Policy
Refund Policy admin
Cancellation/Return/Exchange Policy
CoinGear offers refunds for invoices/transactions processed through CoinGear Escrow service. By default, all invoices/transactions are processed through CoinGear Escrow service.
Refunds for Marketplace QuickClaim Products: CoinGear Escrow offers hassle-free refunds for Marketplace QuickClaim products. No discussions, disputations or objections, refunded sum will be credited to the account balance within 24 hours.
Refunds for Marketplace Products: The buyer discusses the issue with the seller and comes to an agreement. When the seller agrees to repay Total or Partial thereof, refunded sum will be credited to the account balance. In the event that the buyer and seller cannot reach a final decision, CoinGear decision will be the final.
Refunds for Marketplace QuickClaim Products: CoinGear does not offer refunds for orders made through COD payment method. The buyer has to duscuss the issue with the seller and comes to a settlement.
Refunds for Marketplace Products: CoinGear does not offer refunds for orders made through COD payment method. The buyer has to duscuss the issue with the seller and comes to a settlement.
Refunds for "No Refunds" categoty Products: CoinGear does not offer refunds for products in the "No Refunds" categoty. The buyer may purchase the product with own risk
Refunds requests validity period for for physical products:Refund requests for physical products are accepted up to 90 days from the date of placing the order and within "X" days of receipt of shipment. Refunds requests validity period for for digital products:The order placement date will be considered as the receipt of shipment date for digital products.
Since Crypto coins buyers spend purchases are holding in stablecoin till the end of refund validity period, all refunds will be volatility free.
*Receipt of shipment date = The date product shipped to the buyer.
When the refund request is granted by the CoinGear Escrow department, a processing fee of 0.75 USD will be charged on refund and the remainder amount will be credited to the buyer's account balance. Buyer can withdraw account balance to own personal wallet or spend on another purchase.
The present Refund policy is part of the COINGEAR TERMS AND CONDITIONS.
There are no inquiries yet.