20PCS Mini MP3 Player Module TF Card U Disk Mini MP3 Player Audio Voice Module Board For DFPlayerFeatures:DFPlayer Mini is a compact and inexpensive MP3 module can be connected directly to the speaker. Module with battery power supply, speaker, keypad can be used alone, or through the serial port control, as the for ArduinoUNO or […]
250W High-fidelity Divider Three-way Home Theater Low-speaker Modified Audio Upgrade Divider CW-3003Introduce:The treble circuit is a treble circuit with capacitors in series and inductors connected to the ground, and the switch can be adjusted to make the loudspeaker clear and bright. However, it can be compatible with midrange speakers between 3 inches and 6.5 inches. […]
250W WEAH-204 Crossover High and Low Two-way Divider Speaker Modified HiFi High-fidelity Audio Vocal Upgrade DividerIntroduce:This is a high-low two-frequency divider designed for bookshelf boxes. The frequency division point is above 200Hz. Bookshelf boxes are generally placed in not very large places in the room to listen to, the distance is relatively close, and the […]
2A 4S 8S BMS Active Balancer Equalizer Lifepo4 Li-ion Lipo Lithium Battery Energy Transfer Board Balance ModuleSpecificationBalance current:<2ABalanced pressure difference:<10mVSelf-consumption during work:<10mASelf-consumption during sleep:<500uAProduct size:55*45*15mmPCB thickness:1.6mmDescription of Active Balance Switch:K2:Forced to close the active balance and enter sleep;Middle:the battery cell voltage is lower than 3.0V to close the active equalization and enter the sleep;K1:active balance […]
2PCS Mini MP3 Player Module TF Card U Disk Mini MP3 Player Audio Voice Module Board For DFPlayerFeatures:DFPlayer Mini is a compact and inexpensive MP3 module can be connected directly to the speaker. Module with battery power supply, speaker, keypad can be used alone, or through the serial port control, as the for ArduinoUNO or […]
3 in 1 LCD RC Battery Discharger Balancer Meter Tester for 2-6S Lipo Li-Fe Battery Battery Voltage Meter Li-Polymer/Li-Fe 2-6 CellFeature:Balaner:The balance function can be executed before/after battery charged or during battery charging process, to ensure battery pack keeping in excellent condition.Convenient to use:it supplies instant voltage reading and indicates abnormal cell immediately.Application:Allow Li-Polymer/Li-Fe 2-6 […]
300W KTV Stage Speaker Crossover One High Two Middle One Low Four-way Crossover for Home Audio Crossover DIY UpgradeSpecification:Filtering characteristics:one high two middle one low four-way crossoverModel:4501Power:300WFrequency Response:47HZ-25KHZDimensions:173 x 115 x 37 mmImpedance:4-8 ohmsCenter Hole Pitch:163 x 105 mmScope of application:KTV stage speaker/home speaker DIY modification and upgradePackage included:1 x Speaker crossover
30PCS Mini MP3 Player Module TF Card U Disk Mini MP3 Player Audio Voice Module Board For DFPlayerFeatures:DFPlayer Mini is a compact and inexpensive MP3 module can be connected directly to the speaker. Module with battery power supply, speaker, keypad can be used alone, or through the serial port control, as the for ArduinoUNO or […]
30W LM1875 Audio Power Amplifier Board Mono Single Channel AMP Amplifiers DC12-32V Module BoardParameter:Maximum output power:30WWorking voltage:DC 12V-32Vsize:51mm*26mmFeatures:1. Using high-quality materials, the quality is guaranteed2. Small size and easy to use3. Product performance is stable4. The appearance of the product is exquisite and beautiful5. Wide range of applicationsPackage Include:1?? Audio Power Amplifier Board
3Pcs 3S 11.1V 12.6V 40A 18650 Li-ion Lithium Battery BMS Protection BoardDescription:Application:Nominal voltage of 3.6V, 3.7V lithium battery (including 18650.26650, polymer lithium battery)Continuous discharge current (upper limit):40A (if the cooling environment is not good, please reduce the load current use)Continuous charge current (upper limit):20ASuitable for the drills with starting current below 80A, power 135W below.Note:Note […]