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The top 10 drok amplifiers on this list will help you to find the perfect device. Don’t spend too much time reading about them though because we already have their reviews right here!
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Top 10 List of Best drok amplifiers is given below
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- Parameter --- Working Voltage: DC 9-18V, Output Power: Max 2x80W Stereo(18V/4Ω), 1x120W Pure Bass(18V/2Ω), 2.1 Channels Recommended 2/4/6/8Ω Speakers, Can be Powered by 9V 12V.
- 3.5mm/3P 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 Protection(OCP), Over Temperature Protection (OTP).
- Warranty Guarantee --- One Year Long-Term Warranty Guarantee Since Purchased the Product.
- Parameters: DROK audio amplifier board working voltage is DC 5V, output power is 5W (2Ω 5V)/3W (4Ω 5V) / 1.8W (8Ω 5V). Input method is monaural input.
- Artificial Material: this New-designed mini power amplifier is made of noble black immersion gold circuit board, imported KEMET speaker capacitor, large-capacity filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module.
- High Performance: the digital amplifier module is with high efficiency of over 90%, general harmonic distortion noise is less than 10%, low quiescent current and noise suppression.
- Safe Protection: the class D dual-channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection; what's more, EMI is allowed to pass.
- Additional Function: it is available to connect amplifier type to choose different function (MODE: high electricity level is Type D, low electricity level is Type AB. Factory defaults high electricity level); available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory default high electricity level.
- Parameter --- Working Voltage: DC 8-24V, Output Power: 2x15 Stereo(24V/8Ω), Dual Channels Recommended 6/8/16Ω Speakers, Can be Powered by 9V 12V 18V 24V.
- Input --- This Amplifier Board Supports Three Types of Input: 5.0 Blue-Tooth Audio Input; 3.5mm Audio Input; 3P_2.54mm Terminal Input.
- Features --- MUTE/GND Port, Short Circuit This Port Can Achieve Mute; 5.0 Blue-Tooth Chip; Audio Professional Amplifier Chip; Two 3300UF Professional Large Capacity Audio Filter Capacitors; Preamplifier; Pure Black Sealing Potentiometer;Protective Panel: Same Material with PCB, Easy to Install, and Bring A Comfortable Sense to Use.
- Protection --- Input Anti Reverse-Connect Protection, Output Short Circuit Protection, Over Current Protection (OCP), Over Temperature Protection (OTP), Low Voltage Protection (LVP)
- Warranty Guarantee --- One Year Long-Term Warranty Guarantee Since Purchased the Product.
- Parameter --- Power supply voltage: DC 5-27V, over 2A (the best input range is 8-24V), can be powered by 12V or 24V; Dual channel: Left and right channels; Output power: 50W+50W, recommended 4Ω/8Ω speakers; Blue~tooth version: 5.0.
- Blue~tooth/AUX/USB Input --- This stereo amplifier board supports three types of input: 1. Blue~tooth 5.0, as being designed with a PCB antenna, in the condition of no obstruction, the visible distance of the connection can reach 15m, but do note that it must be far away from the router when using it; 2. AUX; 3. Type-C port for USB input. When being powered on, default to enter Blue~tooth mode.
- HD Sound Quality & Volume Control --- With the LC filtered output, the sound played by this power amplifier can be high quality, clean and pure. By effectively reducing electromagnetic interference, it won’t get much background noise. And the volume control is easy to operate: rotate to turn up or down; Short press to stop or move on; Long press to turn on or off.
- Heat Dissipation --- Pure aluminum heat sink and shell heat dissipation, by which the large heat dissipation area to ensure high power and high performance operation.
- Protection --- Anti-static, power supply anti-reverse connection, short circuit protection, overheating protection, over voltage protection, under voltage protection, DC protection.
- 5W+5W Parameters: DROK audio amplifier board working voltage is DC 5V, output power is 5W (2Ω 5V)/3W (4Ω 5V) / 1.8W (8Ω 5V). Input method is monaural input.
- 50W+50W Parameter --- Power supply voltage: DC 5-27V, over 2A (the best input range is 8-24V), can be powered by 12V or 24V; Dual channel: Left and right channels; Output power: 50W+50W, recommended 4Ω/8Ω speakers; Blue~tooth version: 5.0.
- 5W+5W Safe Protection: the class D dual-channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection; what's more, EMI is allowed to pass.
- 50W+50W Protection --- Anti-static, power supply anti-reverse connection, short circuit protection, overheating protection, over voltage protection, under voltage protection, DC protection.
- 50W+50W HD Sound Quality & Volume Control --- With the LC filtered output, the sound played by this power amplifier can be high quality, clean and pure. By effectively reducing electromagnetic interference, it won’t get much background noise. And the volume control is easy to operate: rotate to turn up or down; Short press to stop or move on; Long press to turn on or off.
- PARAMETER --- Input voltage DC 5V~35V, support micro USB 5 volt power supply input. 4.2 version blue~tooth, support memory connection; blue~tooth effective transmission distance 10-15m/32.8-49.2 feets.
- APPLICATION --- Blue~tooth receiver board, can be used for headphone, speaker, car audio system, home stereo system DIY.
- OUTPUT METHOD --- 3.5mm audio output terminal & 2.54mm 3P audio output terminal.
- LED INDICATOR --- indicates status of waiting for a connection/connected/audio playing.
- NOTE --- 1). This item is a blue~tooth receiver board. If used for speakers, it needs to connect an amplifier. Otherwise, there will be distortion at high volume. 2). The case is shipped unassembled to avoid damage during transit, needs to be manually installed. 3). There is a protective film on the case, please remove it before installation.
- Parameter --- Input voltage: DC 8-60V; Output voltage: DC 10-120V; Input current: 0-15A; Output current: 0-15A.
- Realtime LED Display & Indicators --- The transformer board is designed with bright 4-digit LED to display output voltage, current at default simple mode. By manual setting to fully functional mode, the stabilizer would show more parameters, such as power and capacity. Also the board is equipped with working indicators to show real-time working status.
- Data Save --- The boost converter can save up to 10 sets of parameter settings. It’s easy to save and very convenient to call out parameters at any time you would like to.
- Wide Application --- The step up power converter does great for wind power, DC generators, solar panels to charge battery, and it also can be made as a boost power supply to power devices.
- Notes --- 1) No big difference between input and output voltage. Otherwise the power loss will increase then the actual output may not be as what expected; 2) Actual output current is mainly decided by the load. Converter can only set a limit on output current; 3) When powering high-power appliances, please turn off the automatic output function, correctly connect the converter, and then press the "OK" button to output. After the voltage rises to the set voltage, turn on the appliances.
- Uses synchronous rectification technology, has high conversion efficiency and stable performance; The input should be at least 3V higher than output.
- With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won't easily change its setting when mounted.
- Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.
- With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.
- Perfect for electronic hobby project, wide application, you can use it on radio, Car Audio, LED display, motor, cell phone, etc.
- 【Volt Adjustment】 Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-48V. This supply is suitable for 5V 9V 12V 24V 30V 36V 48V devices. The voltage precision is 0.1V. Note——The maximum current is 10A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 10A and can not be regulated. It can be used to device of 2A 3A 5A 10A. Make sure to use the devices which is below 10A.
- 【Hareware】 This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
- 【Easy Operation】 This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
- 【Protection】 Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
- 【Wide Application】 This power supply has variable application. It can be used as a 5V 12V 24V 30V 36V 48V power supply for RV, Car, Labtop, Computer, Lab, CCTV, Ham Radio, etc. All of our item has one year long time warranty guarantee.
- PARAMETER --- Input voltage range DC 6V-32V; Output voltage DC 1.5V-32V; Max output current 5A, recommend use of within 4.5A; Max output power 75W, recommend use of within 50W.
- GENERAL USE --- As ordinary step-down module with over-current protection; As constant current LED driver module; DIY a solar power controller, etc.
- DISPLAY --- Large clear digital LCD display voltage & current value simultaneously.
- FEATURES --- Constant current/voltage mode; Voltage calibration & current calibration; USB interface; Protective case; Short-circuit protection; Over-temperature protection; Input reverse connection protection.
- NOTE --- 1). Output voltage is set as around 20V by default, if your input is lower than that, please turn potentiometer anticlockwise for 10 laps or more until voltage changes. 2). The case is packaged unassembled to avoid damage during transit. It needs to be manually installed. 3). Please carefully read the user’s manual, especially the “Cautions” before using. You can find the PDF Instructions on this page -- Product information -- Product guides and documents -- User Manual [PDF].
- PARAMETER --- buck boost converter, input voltage range 5.5-30V; output voltage range 0.5-30V; working current 4A; power 35W.
- APPLICATION --- as a normal boost buck converter module with over-current protection; as a battery charger; as a high-power LED constant current driver module, etc.
- PROTECTION --- soft start; input reverse connection protection; output anti-backflow protection; short-circuit protection; over-current protection; over-power protection; over-temperature protection.
- DISPLAY --- clear LCD screen displays input voltage, output voltage, temperature, output current & output power (switched by button).
- OTHER FEATURES --- with buttons to switch displayed parameter & set output ON/OFF; with CC & CV potentiometer; with protective case (needs to be manually assembled); with LC filter.
- PARAMETER ---- operating voltage range DC 3.3v~30v; frequency range 1Hz-150kHz; output current 5-30mA; duty cycle range 0-100%.
- APPLICATION ---- as square wave signal generator for experimental development; as square wave signal generator for motor driver; as adjustable pulse generator for MCU; as pulse generator, control related circuits (PWM dimming, speed regulating).
- SERIAL COMMUNICATION ---- support serial communication, TTL level.
- DATA AUTO STORAGE ---- all parameters will be saved automatically after setting and therefore won't lose when power off.
- OTHER FEATURES ---- with LCD display to display frequency and duty cycle value; with case; PWM output, can set frequency and duty cycle separately by buttons; frequency value is divided into 4 range and switched automatically, with high precision.
- Parameter --- Input Voltage: DC 5.0-30V; Output Voltage: DC 0.6-30V; Output Current: 0-4.0A; Output Power: 35W, Can Reach 50W If Add a Cooling Fan.
- Display --- Digital LCD Display, Clear & Convenient to Watch.
- Features --- Constant Voltage; Constant Current; Lock Function; Thickened Heat Sink; Potentiometer Supports for Fast Rotate.
- Protection --- Over Voltage Protection(OVP); Over Current Protection(OCP); Over Power Protection(OPP); Over Temperature Protection(OTP); Input Low Voltage Protection(LVP).
- Note --- When Input Voltage is Lower than 4.7V, it will trigger Low Voltage Protection. Recommend to use at Input > 7V. If Input Voltage < 7V, OutPut Power will be reduced.
- AMP & VOLT DUAL SIGNAL GENERATOR: Multifunctional DROK signal generator kit is able to generate ampere & voltage by one module, which generate 0/4 - 20mA current signal and 0-10V voltage signal just by rotating a multi-cycle precise potentiometer, simple and handy.
- CLEAR LED DISPLAY: Our 4-20ma signal generator has bright and clear 3-digit LED digital display screen, which can be used to monitor the output current and voltage. You just need to push the switch below the monitor easy to switch the display.
- AMP & VOLT DISPLAY CALIBRATION: There are current and voltage display calibrating potentiometer on the back of the module. If the display is accurate, you can calibrate the display value of current voltage by yourself.
- WIDE APPLICATION: Our signal adapter can be used as signal generator, valve adjustment, inverter control, PLC debugging, panel debugging, LED testing, simulating the output of transmitter.
- 6-IN-1 MULTIMETER --- detect and display voltage, current, active power, battery electric energy, power frequency and power factor on one interface.
- MEASUREMENT RANGE --- voltage AC 80.0-300.0V; current 0-100A; power 0-30000W; Electric energy 0-99999kwh; frequency 45.0Hz-65.0Hz; power factor 0.00-1.00PF.
- DISPLAY --- digital LCD color display.
- DATA AUTO STORAGE --- when power off, the electric energy data will be stored and memorized automatically, can be reset.
- NOTE --- this meter can only be used for measuring 50-60Hz pure AC city electricity, it will be damaged if used to measure square wave, inverter output or modified sine wave circuit.
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