1. High current low magnetic loss small parasitic capacitance low heat generation use of oxygen free copper wire to improve sound quality; The magnetic shielding mechanism has strong anti electromagnetic interference EMI performance. 2. Thickened heat sink silent and long-life fan; Solved the heat dissipation problem and better utilized the advantages of high power 3. Transparent sound fast low-frequency response strong mid frequency texture high frequency smoothness and minimal tangent loss 4. Extremely low noise pure sound quality extremely low distortion protecting your sound experience 5. Protection mechanism: Input undervoltage overheating overcurrent short circuit protection. No input anti reverse protection positive and negative poles cannot be reversed!
Product parameters: Product name: 2.1 channel bluet ooth power amplifier board 100W+100W+200W Product model: ZK-ST21 Adaptable power supply: Working voltage range 12-30VDC recommended voltage 24V-28V DC power supply with current 10A or above. Maximum power: left or right channel - 105W@30V 4Ω; 55W@30V 8Ω. Subwoofer-208W@30V 2Ω; 105W@30V 4Ω. In short the higher the voltage the smaller the resistance and the greater the output power. Compatible speakers: The left and right channels support speakers of 3-8 ohms and within 100W; The subwoofer supports speakers with 2-8 ohms and within 200W. bluet ooth chip: Jerry 5.1 transmission distance 15 meters Input method: bluet ooth + AUX + U disk + sound card Number of channels: 2.1 left channel + right channel + subwoofer Power amplifier chip: two TI TPA3221 Protection mechanism: input undervoltage input anti-reverse connection overheating overcurrent short circuit protection. Note: The delivery does not include power supply and audio cable. Material: PCB colour: Black
Package Contents: 1 x Amplifier board
Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. About Us We provide the good product with the best pricewe support Wholesale/Drop Shipping Order 1. For Drop Shipping order please remark"dropshipping order" we will prioritize it. 2. For Wholesale/Drop Shipping orders if you have any ideas about the price or packageplease contact us in advancewe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip code especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the orderplease contact us in advance we will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packageplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problem please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !
Specifications
Key Features
Durable and good quality
Amplifier Board
Audio Power Amplifier
Audio Amplifier Board 100W
Power Amplifier Board
Digital Amplifier Module
The details are as described above
What’s in the box
1 x Amplifier board
Specifications
SKU: GE840IP5N7KI4NAFAMZ
Model: Amplifier board
Production Country: China
Size (L x W x H cm): 14x11x5
Weight (kg): 0.237
Main Material: PCB
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ZK-ST21 Bluet Ooth Power Amplifier Board 2.1Channel 100W+100W+200W Sub