Category: Amplifier Board
Showing 17–32 of 799 results
10pcs BT201 Dual Mode 5.0 Bluetooth Lossless Audio Power Amplifier Board Module TF Card U Disk Ble Spp Serial Port Transparent
$44.79Amplifier BoardAdd to cart>>>Manual:Click here to openOverviewBT201 5.0 Bluetooth module is a 4-in-1 single chip that supports bluetooth, usb flash drive and TF card. The highlight of the chip is that it supports lossless music playback, simple and clear serial port control function, BLE pass-through function and SPP pass-through function.It greatly reduces the development difficulty of embedded bluetooth …
10pcs Car Speaker Amplifier bluetooth 4.1 Audio Receiver Module Modification Accessories Motherboard Stereo
$44.82Amplifier BoardAdd to cartFeatureSupport bluetooth 4.1, support automatic connection back, support WAV+APE+FLAC+MP3 lossless decoding, stereo output.Power Supply:3.7-5VSNR:90dBTHD+N:-70dBCrosstalk:-86dBDNR:91dBSupport:A2DP / AVCTP / AVDTP / AVRCP / HFPLOS:>15MInterface detailsUSB powered:Universal Micro USB 5V powered3.7-5V power supply pad:realize external 3.7-5V lithium battery power supply modificationLED indicator:Bluetooth mode blue light is always on3.5mm stereo audio interface:standard 3.5mm interface, output stereo, can be plugged …
10pcs CJMCU-832 PAM8302 Single Channel Class D Audio Power Amplifier Development Board
$33.05Amplifier BoardAdd to cartDescriptionThis super small mono amplifier is surprisingly powerful – able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over …
10pcs CJMCU-832 PAM8302 Single Channel Class D Audio Power Amplifier Development BoardRead More
10pcs D222 Speaker Frequency Drvider Crossover Filters with Junction Box
$57.29Amplifier BoardAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.FeaturesFrequency divider is a circuit arrangement inside the sound box, to distinguish the sound signals of different frequencies (treble, tenor, bass), respectively to enlarge, and then sent to the speaker of the …
10pcs D222 Speaker Frequency Drvider Crossover Filters with Junction BoxRead More
10pcs DIY TDA2030A Audio Amplifier Board Kit Mono Power 18W DC 9V-24V
$31.74Amplifier BoardAdd to cartFeaturesTDA2030A is widely used as Hi-Fi amplifier manifold in many computer active speakers.Easy Installation.It has the function of thermal shutdown, current limiting.Minimum transmission distortionSpecificationsOutput power:Maximum 18WSupply voltage:DC 9V-24V (recommended DC 12V, this voltage to the heat sink requirements are very low;)Maximum supply of this board is actually up to 40V, but you need to change …
10pcs DIY TDA2030A Audio Amplifier Board Kit Mono Power 18W DC 9V-24VRead More
10pcs DY-AP3015 DC 8-24V 30W x 2 Class D Dual Channel High Power Stereo Digital Amplifier Board with Adjustable Volume Potentiometer
$67.23Amplifier BoardAdd to cartSpecificationModel:DY-AP3015 Working voltage:DC:8~24V Working mode:Class D (PWM modulation) Number of channels:stereo (two channels) Maximum output power (@1KHz)18W*2 @12V 4Ω 10W*2 @12V 8Ω 15W*2 @16V 8Ω 20W*2 @20V 8Ω 30W*2 @24V 8Ω (requires heat sink) Adapter speaker (30W~150W)4 ohms (8-12V power supply) 8 ohms (8-24V power supply) Module protection mechanism:reverse power protection Short circuit protection:self-recovery overheat …
10pcs HIFI Crossover for DIY Speakers Audio Frequency Divider for 3-8 inch Speakers for 4-8ohm Loudspeaker Amplifier 3200Hz
$108.65Amplifier BoardAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.SpecificationsCrossover point:3200HzApplicable speaker impedance:4-8 EuroApplicable power amplifier impedance:4-8 EuroApplicable power:10-100WApplicable speakers:3-8 inchesApplicable to:HI-FI bookshelf speakers, center speakers, surround speakers, high-end audio-visual speakers, high-end active speakers, etc.Package Included10 x HIFI Crossover Audio Frequency …
10pcs JDY-64 Lossless bluetooth Audio Module 4.2 High Fidelity HIFI Speaker Audio Power Amplifier Board
$50.61Amplifier BoardAdd to cartInstructions:Click here to openFeaturesJDY-64 is a low power consumption lossless two-channel stereo design, and the overall performance is very advantageous. It only needs to connect the module to the application products so that users can quickly achieve wireless music transmission, which defaults no prompt tone for button, switch, connection, fragment opening, and integrated SD card …
10pcs LM358 Weak Signal Amplifier Voltage Amplifier Secondary Operational Amplifier Module Single Power Signal Collector
$33.82Amplifier BoardAdd to cartFeaturesLM358 is the core two-stage operational amplifier, which can amplify DC weak signals, such as DC voltage signals, DC pulse signals, can amplify signals of millivolts or even weaker, and has two potentiometers, respectively for the first stage and the second stage Performing single-stage magnification adjustment, but the total scaling is the product of the …
10Pcs LM386 Module 20 Times Gain Audio Amplifier Module with Adjustable Resistance
$14.70Amplifier BoardAdd to cartFeature1. On-board LM386 Chip2. 20 times gain circuit design3. On-board speaker wiring Block4. On-board 10K variable resistor, you can adjust the volume of the amplifier5. On-board power indicator6. The chip pin was leaded, can be directly input audio signal7. Operating voltage:5 ~ 12V8. Size:41mm*13mmPackage included10 x LM386 Module 20 Times Gain Audio Amplifier Module
10pcs MAX9814 High Performance Microphone AGC Amplifier Module CMA-4544PF-W
$90.79Amplifier BoardAdd to cartSpecifications– Supply Voltage:2.7v-5.5v @ 3mA current– Output:2Vpp on 1.25V bias– Frequency Response:20Hz – 20KHz– Programmable Attack and Release Ratio– Automatic gain, selectable max from 40dB, 50dB or 60dB– Low Input-Referred Noise Density of 30nV/– Low THD:0.04% (typ)– Low Power Shutdown Mode– Built-in 2V low-noise microphone bias– -40°C ~ +85°C extended temperature rangePackage included10 x Microphone …
10pcs MAX9814 High Performance Microphone AGC Amplifier Module CMA-4544PF-WRead More
10pcs NA333 Human Micro Signal Multifunctional 3 Op Amp Precision instrumentation Amplifier Module
$88.57Amplifier BoardAdd to cart>>>Manual:Click here to openFeatureThe INA333 is a low power precision instrumentation amplifier with excellent accuracy. The gain can be set from 1 to 1000 with a single external resistor.The INA333 is designed to use industry-standard gain equations:G = 1+ (100kΩ/RG)SpecificationsLow offset voltage:25μV (max), G ≥ 100Low drift:0.1μV/°C, G ≥ 100Low noise:50nV/√Hz, G ≥ 100High common …
10pcs PAM8403 2 Channel USB Power Audio Amplifier Module Board 3Wx2 Volume Control
$19.89Amplifier BoardAdd to cartSpecificationsOperating voltage:2.5V-5.5VMaximum output power:3W*2(5V 4Ω)Length:29mmWidth:20mmOverall height after installed is about 16mm.NotePlease make sure the power supply is not more than 5.5V and please don’t do reverse polarity for inch+inch and inch-inch, or else, it will burn the board.Package included10 x PAM8403 Audio Amplifier Module
10pcs PAM8403 DC 5V Mini Class D 2x3W USB Power Amplifier Board DIY Bluetooth Speaker Class D Digital Amplifier Board
$23.13Amplifier BoardAdd to cartOverviewThe board adopts the PAM8403 typical circuit design, the use of MICRO USB power supply (reserved welding wire interface), is very convenient to use universal mobile phone charger for the power supply, resistance container parts adopt standardized SMT process, simple and stable design special interface for bluetooth audio receiver module, can easily DIY little bluetooth …
10pcs PAM8610 Digital Amplifier Board 2x15W Dual Channel Stereo Class D
$26.47Amplifier BoardAdd to cartFeatureThis plate with switching function, SW short, will turn off the power amplifierWorking Mode:Class D (PWM modulation type)Chip Type:PAM8610Power Range:DC 6V-15V (self-protection)Recommended Voltage:DC 12V(2A)Output Power:10Wx2(8Ω) 15Wx2(4Ω)Frequency Response:20HZ-15KHZStatic Current:20MA (DC12V)SNR:90% RecommendedSpeakers:10-100WInput Impedance:15KOutput Impedance:4-8ΩHarmonic DistortionSize:Approx. 3cm x 2.5cm/ 1.19inch x 0.98inchPackage Included10 x PAM8610 Dual Channel Stereo Class D Digital Amplifier Board
10pcs PCM2704USB Sound Card DAC Decoder USB input Coaxial Fiber HIFI Sound Card Decoder (C6B4)
$118.87Amplifier BoardAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.Product descriptionHIFI-level PCM2704 USB decoder chip, its performance is better than the most commonly used low-end chip CM102S series on the market, the power supply uses USB power supply, the output can …
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Ebyte E810-DTU(CAN-ETH) Smart Protocol Conversion GPRS Modem Modbus to TCP/IP CAN Bus Ethernet interface Modbus RTU Gateway
$96.54Smart ModuleAdd to cartSpecificationItemsDescriptionInterfaceEthernet:RJ45, 10/100MbpsCAN:1*5*3.81, ScrewingNetwork protocolIP,TCP/UDP, ARP, ICMP, IPV4Simple transparent transmissionTCP Server,TCP Client,UDP Server,UDP Client,Cloud transparent transmissionData Packing MechanismByte packing and time packingTCP Server connectionSupporting up to 6 TCP connectionsIP accessStatic IP,DHCPDNSSupportCAN Transmit baud rateA total of 15 baud rates from 6Kbps-1000KbpsCAN filtering modeUp to 8 filtration modesCAN data layoutProtocol formatParameter configurationWeb page configurationWorking current82mA@12VVoltage8V~28VDC,Over 28V may …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
$4.36Battery Protection ModuleAdd to cartSpecificationProduct name:Lithium Battery Charging BoardInput voltage:5VMaximum charging current:1000 mACharge cut-off voltage:4.2 V + / – 1%Battery overcharge protection voltage:2.5 VBattery over-current protection current:3 AInput interface:micro USBSize:27mm x 17mmHow to Use1. Input port with micro 5pin USB female, can directly use mobile charger for input to the lithium battery,and still retain the input voltage wiring solder …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger ModuleRead More
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel
$77.83Amplifier BoardAdd to cartFeatures– Working Voltage:6-18V DC– The onboard TDA7297 audio power amplifier chip, double channel 15WX15W– Speaker for European 4-8 10-50W use– Main pin has led chip, convenient external control device, the onboard– 5.08 (mm) distance between two p terminal 2 road, around a track connection output respectively– The onboard dial potentiometer, output size can adjust the …
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double ChannelRead More
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control Module
$20.57Smart ModuleAdd to cartFeatureSeries:ESP32Model:ESP32-+MicroType:Regulator ICPower:1WApplication areas:household appliances, smart home, wearable devices, Internet of Things IoTDescriptionsESP32 vcc range:2.2V-3 6VVBAT:direct to battery (and charger)VUSB:direct to USB(5V)VCC:Output of regulator 3.3V/600mAUp to 250mA during RF transmissionsWirelessWifi:802.11 b/g/n/e/iWPA/WPA2/WPA2-Enterprise/SPSbluetooth:bluetooth 42BLESize:1.9×1.3cm/0.75×0.51inchNotePlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the …
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control ModuleRead More
50Pcs 915MHz SW915-TH12 Copper Spring Antenna for Wireless Communication Module
$28.90Module ComponentsAdd to cartFeaturesSW915-TH12 copper spring antenna is a special antenna for 915MHz wireless communication system design. The antenna has good standing wave ratio, compact shape, ingenious structure, convenient installation, stable performance and good anti-vibration and aging ability.SpecificationFrequency range:915 MHz (+/-5)Standing wave ratioInput impedance:50Maximum power:5WGain:2.15 dBiWeight:1gHeight:12.5+/-1 mm (9T)Antenna color:copperInterface Form:Direct WeldingPackage included50 x Antenna
5Pcs 360 Degree Rotary Encoder Module Encoding Module
$11.83Other Module BoardAdd to cartFunctional characteristics and technical parameters 1)Nominal voltage:DC 5V 2)Wire A, B:0.5mA (Max 5mA; Min 0.5mA) 3)Common wire:1mA (Max 10mA; Min 0.5mA) 4)Temperature range:-30→ to+80→ 5)Output signal A , B phase position output square wave, when clockwise rotation, A phase position pull ahead B phase position 90 °, when anti-clockwise, B phase position pull ahead A …
5Pcs 360 Degree Rotary Encoder Module Encoding ModuleRead More
RD21F Delay Relay Module Power for Delay off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
$13.11Relay ModuleAdd to cartSpecificationsVoltage:100V-220V ACPower consumptionOutput:The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Size:88* 36 * 22mmScrew hole:center distance 83mm * 31mm, aperture 3.2mmTime range:(4 files, selected by switch)First gear:range 0.2 seconds-30 seconds, accuracy:0.1 secondsSecond gear:range 0.2 seconds – 300 seconds (5 minutes), accuracy:0.3 secondsThird gear:range 0.2 seconds-30 minutes, …