Top 8 Best Amplifier Board

Bluetooth 3.5mm AUX The ZK-MT21 power amplifier board uses Bluetooth 5.0, and its transmission distance can reach 49 feet without obstruction. At the same time, this power amplifier board has a 3.5mm AUX audio input interface. No matter what kind of input method, you can always find a method that suits you.. Treble and bass adjustmentIf you are tired of power amplifiers with only a single volume knob, then you feel right, because you have further requirements for audio. By adjusting the high and low frequency knobs of ZK-MT21, you can make the sound more layered and make the bass more shocking.. High compatibilityThe DC adapters on the market plug specification 5.5mm2.1mm basically can meet the needs of the ZK-MT21 Bluetooth power amplifier board. If your existing DC power plug is not 5.5mm2.1mm, there is no The problem is because we have included a DC conversion plug in the product.. Protection functionZK-MT21 Bluetooth power amplifier board has multiple protection mechanisms to ensure its safe operation. It has short-circuit protection, over-current, over-heat, and anti-reverse protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage. 7 24 Hours After-sales Service Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100 Satisfactory Answer.

The power amplifier board is made of high performance Original chip TDA3116D2, 2 channel stereo amplifier, 2x50W output power. This digital amplifier is made of Use high-performance inductors and high-performance capacitors.. The digital amplifier board is operated by wide working voltage DC4.5-26V24V recommendedwith reverse connection protection,and it is highly recommended for 4-8 ohm speakers. The TPA3116D2 device features short-circuit and thermal protection as well as over-voltage, under-voltage and DC protection to prevent complete failure.. TDA3116D2 is widely used in store solicitation, home theater, square speakers, etc.due to its excellent performance and comprehensive cost performance..

Parameter --- Working Voltage DC 9-18V, Output Power Max 2x80W Stereo18V4, 1x120W Pure Bass18V2, 2.1 Channels Recommended 2468 Speakers, Can be Powered by 9V 12V.. 3.5mm3P Input --- This Amplifier Board Support Two Types of Input 3.5mm Audio Input or 3P_2.54mm Terminal Input.. Feature --- Eliminate Background Noise and Bring Better Sound Effect. Four 3300UF Professional Audio Filter Capacitors Vehicle Level Amplifier Chip Gold Plated Audio Input Terminal Pure Blakc Sealing Potentiometer.. Protection --- Input Anti Reverse-Connect Protection, Output Short Circuit Protection, Over Current ProtectionOCP, Over Temperature Protection OTP.. Warranty Guarantee --- 1 Year Long-Term Warranty Guarantee Since Purchased the Product..

2-in-1 High quality power amplifier board. With AUX and Blue tooth two audio input methods, 2-in-1. 5.0 Bluetooth version, the transmission efficiency is higher, the transmission distance is farther. High Performance Blue tooth audio amplifier module 2.1 channel, Max output power 2X50W100W. With antenna and antenna base, the signal is better, the efficiency is high, and the anti-interference ability is strong. Protection Mechanism With short-circuit protection as well as overcurrent, overheating, and anti reverse connection protection to prevent total failure. In the event of an overload, the device reports the fault condition to the processor to protect itself from damage. High Quality It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire. Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired. Application With bass, treble, subwoofer frequency and volume control, easy to adjust volume, enjoy the music tone what you want. Widely used in store solicitation, home theater, square speakers, etc.

Blue tooth amplifier High quality mini amplifier board. Bluetooth 5.0 version, the transmission efficiency is higher, the transmission distance is farther. High Performance Audio power amplifier module dual channel, max output power 2X50W. The capacitor 470uf35V guarantees the power storage and heat dissipation capacity, makes the power supply stable, and is equipped with a heatsink. Protection Mechanism With short-circuit protection and overheating protection to prevent total failure. In the event of an overload, the device reports the fault condition to the processor to protect itself from damage. High Quality It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire. Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired. Application The potentiometer adjusts the volume with a switch for easy control of the volume, making it ideal for DIY speakers. Widely used in car, home theater etc.

DUAL TPA3116D2 HIFI Chip Solution Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD 0.1. Wide Voltage Input DC 12-24V. Treble Bass Control If You Are Tired of The Inherent High Low Bass, Why Not Try The High Low Control Knob This Will Make You Feel Like Being In A Movie Theater.. BT and AUX Function BT 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open Environment. If your Play Device Does Not Have BT, You Can Also Input Audio Signals Through The 3.5MM Headphone Plug.. Safety Protection This Amp Board Has Overheat Protection, Circuit Protection, Over-voltage and Under-voltage Protection. 7 24 Hours After-sales Service Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100 Satisfactory Answer..

Output Power 100w100w Output Power, Wide Voltage Input 5V-24V, Can Be Powered by 9V12V15V19V24V. Adapter speaker 4-8 50w-150w. Bluetooth 5.0 User Can Directly Connect with Wireless Bluetooth 5.0 without Password. Easy Installation and Short Start-up Sound The Illustration Of Each Interface Is Printed On The Protective Plate, Making It Easy To Install Even Without Instructions. The Sound of The Amp Board To Start And Connect To Bluetooth Is Short Rather Than Not a Asian Woman's voice.. Protective FunctionThis BT Amp Is Designed with Protective Case, Over-heat Protection, Short-circuit Protection. Note Please Use A Power Adapter With Sufficient Power To Connect The Amp Board, Otherwise The Sound Will Be Distorted. And Make Sure The AMP Board Is Away From The Wifi Signal..

HI-FI StereoHigh quality 2.1 channel 220W220W350W Bluetooth 5.1 power amplifier board. With AUX, Bluetooth, U disk, USB sound card a variety of audio input methods. With two output modes of active and passive speakers, you can enjoy the music you want anytime, anywhere. New upgrade The Bluetooth 5.1 power amplifier board supports APP control, and you can modify the Bluetooth name and password settings. The 5.1 Bluetooth version has settings such as adjustable sound volume, turn onoff sound, and timed shutdown. Comes with 10 natural sleep songs, up to 1023 sound combinations. Not only can you display the playlist of the USB flash drive, but you can also shake the phone to change songs or use the dialmode button to switch songs. TPA3251D2 power amplifier chipThe power amplifier board uses 2 TPA3251D2 chips from Texas Instruments. It is a high-performance class D power amplifier, which has class D efficiency and can bring true high-end sound quality. The device features an advanced integrated feedback design and proprietary high-speed gate driver error correction. This technology enables the device to maintain ultra-low distortion across the entire audio frequency band while delivering high-definition sound quality. Super Compatibility5.1 Bluetooth version, higher transmission efficiency, more stable, and longer transmission distance. In open spaces, the wireless range is up to 15 meters 49 feet. Can be widely used in various devices such as tablet computers, PCs, TVs, smartphones, notebook computers, etc. Safety ProtectionThe amplifier board has short circuit, overcurrent, overheating and anti-static protection to prevent complete failure. When overloaded, the device reports a fault condition to the processor to protect itself from damage.

CHIP DUAL TPA3116 HIFI Chip with AM Interference Suppression Function, 100W2 Output Power. WIDE INPUT VOLTAGE RANGE DC 9V-24V with 5.5 2.1mm Interface, Laptop Power Supply Is a Good Choice. BLUETOOTH AUX INPUTUser Can Directly Connect with Wireless Bluetooth 5.0, or Choose the 3.5MM Headphone Line in Way. PROTECTIVE FUNCTIONOver-voltage Protection, Under-voltage Protection, Over-heat Protection, Short-circuit Protection, This means that the Bluetooth amplifier board is not easily damaged. TIP adequate output power is required when the audio input is sufficient and the power supply voltagecurrent is sufficient, the relative power will be higher. Different impedance horns will have different output power.In the case of sufficient voltage and current, the larger the impedance horn, the smaller the relative sound power, please pay attention.

Introduction As a compact 2.0-channel Bluetooth power amplifier board, ZK-302T has the characteristics of small size and multi-function. Its peak power PMPO can reach 30W30W, wide voltage input 9-24V.. Multiple Input MethodsThe input modes of ZK-502A power amplifier board include Bluetooth mode, AUX mode and USB sound cardUSB flash disk mode, which can be connected to almost all the playback devices you can think of, such as mobile phones, tablet computers, CD players, computers, USB flash disks, etc.. Treble and Bass Controls If you are tired of the inherent treble and bass, why not try the treble and bass control knobs Stereo two-channel output makes the sound more layered and the bass more shocking. APP Function By downloading the dedicated APP, you can make in-depth settings on the ZK-302T power amplifier board through the mobile APP, such as customizing the Bluetooth name, setting the Bluetooth password, turning onoff the prompt tone, etc.. Please Note At present, this APP function is only applicable to Android phones, if your phone is not an Android phone, you will not be able to use the APP functions..