Home

  • Banner

    Speaker 0.5W 8Ω Trumpet Style 40mm Diameter Robotics Bangladesh
    • Speaker 0.5W 8Ω Trumpet Style 40mm Diameter Robotics Bangladesh

    Speaker 0.5W 8Ω Trumpet Style 40mm Diameter

    RBD-3680

    This compact speaker cone is an excellent choice for small audio projects requiring an 8Ω impedance and 0.5W or less of power. Its lightweight metal body makes it easy to integrate into various applications while maintaining durability. Perfect for radios, small amplifiers, and even compact robotics projects.

    BDT 45
    BDT 45 BDT 45 BDT 45 BDT 45
    Tax excluded Tax includedTax excludedTax includedTax excluded
    BDT 45 Tax excluded
    BDT 45 Tax included
    BDT 0 Tax
    BDT 45 Tax excluded
    BDT 0 Tax
    BDT 45 Tax included
    Quantity
    37 Items

    10 people have purchased this item
    1 person recently added this item to the cart
    37 items in stock
    Description

    This compact speaker cone is an excellent choice for small audio projects requiring an 8Ω impedance and 0.5W or less of power. Its lightweight metal body makes it easy to integrate into various applications while maintaining durability. Perfect for radios, small amplifiers, and even compact robotics projects.

    Specifications:

    • Diameter: 40mm

    • Rated Power: 0.5W

    • Impedance: 8Ω

    • Category: Moving coil (dynamic) speaker

    • Diaphragm Material: Non-paper composition

    • Magnetic Circuit: Internal magnetic

    • Features: Treble (high-frequency) emphasis

    Package Includes:

    • 1 × 0.5W 8Ω Trumpet Speaker (40mm Diameter)

    If you want, I can also make a more sales-focused, catchy version that would work well on an e-commerce listing. That would help it grab attention and improve conversions.

    Product Details
    RBD-3680
    37 Items

    Specific References

    EAN13
    3680
    Comments (0)
    Grade
    No customer reviews for the moment.
    16 other products in the same category:
    VS1053 MP3 Recording Module Development Board with Onboard Recording Function Robotics Bangladesh

    Reference: RBD-3444

    VS1053 MP3 Recording Module Development Board with Onboard Recording Function

    (0)
    VS1053 MP3 Recording Module with real-time OGG encoding support Supports multiple audio formats including MP3, WAV, and MIDI SPI interface for easy microcontroller integration Onboard microphone, line-in input, and stereo headphone output TF (microSD) card slot for audio storage and playback Ideal for MP3 players, voice recorders, and embedded audio systems
    BDT 680
    BDT 680 tax incl.
    BDT 680 tax excl.
    BDT 680 tax excl.
    BDT 680 tax incl.
    BDT 680 tax incl.
    BDT 0 Tax
    BDT 680 tax excl.
    BDT 680 tax excl.
    BDT 0 Tax
    BDT 680 tax incl.
    More VS1053 MP3 Recording Module Development Board with Onboard Recording Function
    In-Stock
    In stock: 10
    LM386 Audio Amplifier Module Robotics Bangladesh

    Reference: RBD-2725

    LM386 Audio Amplifier Module

    (0)
    Compact LM386 Audio Amplifier Module for DIY sound projects Onboard LM386 chip with 200× gain circuit design Adjustable volume control via onboard 10K variable resistor Speaker wiring block supports 4–8 Ohm speakers Onboard power indicator for easy status monitoring Ideal for FM receivers, music modules, and custom audio systems
    BDT 150
    BDT 150 tax incl.
    BDT 150 tax excl.
    BDT 150 tax excl.
    BDT 150 tax incl.
    BDT 150 tax incl.
    BDT 0 Tax
    BDT 150 tax excl.
    BDT 150 tax excl.
    BDT 0 Tax
    BDT 150 tax incl.
    More LM386 Audio Amplifier Module
    In-Stock
    In stock: 83
    3 Watt 8 Ohm Mini Speaker for Electronics Project with JST-PH2.

    Reference: RBD-2470

    3 Watt 8 Ohm Mini Speaker for Electronics Project with JST-PH2.0 Interface

    (0)
    Compact 3W 8Ω mini speaker with JST-PH2.0 2-pin interface for easy integration. Full-range frequency response (500Hz–20kHz) delivers clear and balanced sound. Built-in internal magnetic circuit ensures stable performance and durability. Compact rectangular design (31×28×15mm) with non-paper diaphragm for reliability. Widely compatible with Arduino,...
    BDT 250
    BDT 250 tax incl.
    BDT 250 tax excl.
    BDT 250 tax excl.
    BDT 250 tax incl.
    BDT 250 tax incl.
    BDT 0 Tax
    BDT 250 tax excl.
    BDT 250 tax excl.
    BDT 0 Tax
    BDT 250 tax incl.
    More 3 Watt 8 Ohm Mini Speaker for Electronics Project with JST-PH2.0 Interface
    In-Stock
    In stock: 50
    MAX9814 Microphone Amplifier Module Robotics Bangladesh

    Reference: RBD-2758

    MAX9814 Microphone Amplifier Module

    (0)
    MAX9814 microphone amplifier module with automatic gain control (AGC) Compatible with Arduino and other microcontrollers via analog pin Wide frequency response: 20Hz – 20kHz for accurate sound measurement Adjustable maximum gain: 40dB, 50dB, or 60dB via gain pin Adjustable attack/release ratio for flexible sound response control Compact PCB size: 25.4 ×...
    BDT 380
    BDT 380 tax incl.
    BDT 380 tax excl.
    BDT 380 tax excl.
    BDT 380 tax incl.
    BDT 380 tax incl.
    BDT 0 Tax
    BDT 380 tax excl.
    BDT 380 tax excl.
    BDT 0 Tax
    BDT 380 tax incl.
    More MAX9814 Microphone Amplifier Module
    In-Stock
    In stock: 18
    ISD1820 Voice Recording Module With Mic and Loudspeaker Robotics Bangladesh

    Reference: RBD-0690

    ISD1820 S16 Voice Recording Module With Mic and Loudspeaker

    (0)
    The main chip: ISD1820. S16 Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.
    BDT 280
    BDT 280 tax incl.
    BDT 280 tax excl.
    BDT 280 tax excl.
    BDT 280 tax incl.
    BDT 280 tax incl.
    BDT 0 Tax
    BDT 280 tax excl.
    BDT 280 tax excl.
    BDT 0 Tax
    BDT 280 tax incl.
    More ISD1820 S16 Voice Recording Module With Mic and Loudspeaker
    In-Stock
    In stock: 24
    PAM8403 Audio Amplifier Module Robotics Bangladesh PAM8403 Audio Amplifier Module Robotics Bangladesh

    Reference: RBD-1324

    PAM8403 Audio Amplifier Module

    (0)
    Operating voltage: 2.5V-5.5V Maximum output power: 3W x 2 PCB size is about: length 30mm width 22mm overall height after installed is about 16mm Built with switch Potentiometer, can adjust the volume & control power switch freely! Flexible assembly usage.
    BDT 73
    BDT 73 tax incl.
    BDT 73 tax excl.
    BDT 73 tax excl.
    BDT 73 tax incl.
    BDT 73 tax incl.
    BDT 0 Tax
    BDT 73 tax excl.
    BDT 73 tax excl.
    BDT 0 Tax
    BDT 73 tax incl.
    More PAM8403 Audio Amplifier Module
    In-Stock
    In stock: 76
    Audio Amp SHIM 3W Mono I2S Amplifier for Raspberry Pi Robotics Bangladesh Audio Amp SHIM 3W Mono I2S Amplifier for Raspberry Pi Robotics Bangladesh

    Reference: RBD-4112

    Audio Amp SHIM 3W Mono I2S Amplifier for Raspberry Pi

    (0)
    The Audio Amp SHIM is a compact 3W mono audio amplifier designed for Raspberry Pi boards with a 40-pin GPIO header. It uses a digital I2S audio interface and an onboard DAC/amplifier to drive a passive speaker directly, while keeping the GPIO pins accessible for prototyping and stacked boards.
    BDT 1,150
    BDT 1,150 tax incl.
    BDT 1,150 tax excl.
    BDT 1,150 tax excl.
    BDT 1,150 tax incl.
    BDT 1,150 tax incl.
    BDT 0 Tax
    BDT 1,150 tax excl.
    BDT 1,150 tax excl.
    BDT 0 Tax
    BDT 1,150 tax incl.
    More Audio Amp SHIM 3W Mono I2S Amplifier for Raspberry Pi
    Last items in stock
    In stock: 1
    Sound Output Module Speaker Module Microphone Sensor Module Sound Sensor for Arduino Robotics Bangladesh

    Reference: RBD-2318

    Sound Output Module Speaker Module Microphone Sensor Module Sound Sensor for Arduino

    (0)
    Speaker module with built-in power amplifier and adjustable sound via potentiometer Generates tones based on input frequency, ideal for Arduino projects and DIY music boxes Compact size (25mm x 45mm) with anti-plug data interface for easy and secure connections Features digital signal input and 4 M3 mounting holes for flexible installation Operates at 5V...
    BDT 990
    BDT 990 tax incl.
    BDT 990 tax excl.
    BDT 990 tax excl.
    BDT 990 tax incl.
    BDT 990 tax incl.
    BDT 0 Tax
    BDT 990 tax excl.
    BDT 990 tax excl.
    BDT 0 Tax
    BDT 990 tax incl.
    More Sound Output Module Speaker Module Microphone Sensor Module Sound Sensor for Arduino
    In-Stock
    In stock: 9
    Mini MP3 Easy Connector Board for Mini MP3 Module Robotics Bangladesh Mini MP3 Easy Connector Board for Mini MP3 Module Robotics Bangladesh

    Reference: RBD-3328

    Mini MP3 Easy Connector Board for Mini MP3 Module

    (0)
    Mini MP3 Easy Connector Board for seamless integration with Mini MP3 modules Includes 0.5W in-line passive speaker (23×8mm) for direct audio output Dual 8P female headers for easy plug-in of Mini MP3 module 4P pin header interface for quick connection to Arduino or microcontrollers Simplifies MP3 playback setup — plug, connect, and play Ideal for DIY...
    BDT 630
    BDT 630 tax incl.
    BDT 630 tax excl.
    BDT 630 tax excl.
    BDT 630 tax incl.
    BDT 630 tax incl.
    BDT 0 Tax
    BDT 630 tax excl.
    BDT 630 tax excl.
    BDT 0 Tax
    BDT 630 tax incl.
    More Mini MP3 Easy Connector Board for Mini MP3 Module
    In-Stock
    In stock: 24
    Stereo Enclosed Speaker 3W 8Ω Robotics Bangladesh

    Reference: RBD-2307

    Stereo Enclosed Speaker 3W 8Ω

    (0)
    Compact Stereo Enclosed Speaker with 3W power and 8Ω impedance Delivers clear audio with less than 10% distortion for quality sound output Features a handy 42 cm JST 2PH input cable for easy connection Enclosed design ensures good audio volume and durability Perfect for audio projects, displays, and compact sound applications
    BDT 390
    BDT 390 tax incl.
    BDT 390 tax excl.
    BDT 390 tax excl.
    BDT 390 tax incl.
    BDT 390 tax incl.
    BDT 0 Tax
    BDT 390 tax excl.
    BDT 390 tax excl.
    BDT 0 Tax
    BDT 390 tax incl.
    More Stereo Enclosed Speaker 3W 8Ω
    In-Stock
    In stock: 101
    PAM8403 Super Mini Digital Amplifier Board Robotics Bangladesh

    Reference: RBD-1856

    PAM8403 Super Mini Digital Amplifier Board

    (0)
    Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...
    BDT 40
    BDT 40 tax incl.
    BDT 40 tax excl.
    BDT 40 tax excl.
    BDT 40 tax incl.
    BDT 40 tax incl.
    BDT 0 Tax
    BDT 40 tax excl.
    BDT 40 tax excl.
    BDT 0 Tax
    BDT 40 tax incl.
    More PAM8403 Super Mini Digital Amplifier Board
    In-Stock
    In stock: 152
    LD3320 Speech Recognition Module for Nonspecific Human Speech Robotics Bangladesh

    Reference: RBD-3189

    LD3320 Speech Recognition Module for Nonspecific Human Speech

    (0)
    Summary (Bullet list): LD3320 Speech Recognition Module supports nonspecific human speech without pre-training. Recognizes natural language commands in multiple languages. Allows up to 50 dynamically editable keywords for real-time customization. Equipped with microphone input and speaker/headphone output for full audio handling. Communicates via SPI...
    BDT 2,250
    BDT 2,250 tax incl.
    BDT 2,250 tax excl.
    BDT 2,250 tax excl.
    BDT 2,250 tax incl.
    BDT 2,250 tax incl.
    BDT 0 Tax
    BDT 2,250 tax excl.
    BDT 2,250 tax excl.
    BDT 0 Tax
    BDT 2,250 tax incl.
    More LD3320 Speech Recognition Module for Nonspecific Human Speech
    Last items in stock
    In stock: 3
    JQ6500 HW-896 V1.2 Voice Sound MP3 Player Module Robotics Bangladesh JQ6500 HW-896 V1.2 Voice Sound MP3 Player Module Robotics Bangladesh

    Reference: RBD-2065

    JQ6500 HW-896 V1.2 Voice Sound MP3 Player Module

    (0)
    Play standard mono or stereo MP3 files Control with buttons Serial communications protocol (JQ6500 Arduino Library available). Power supply 4.2V Speaker power 4 ohms / 3 watts
    BDT 390
    BDT 390 tax incl.
    BDT 390 tax excl.
    BDT 390 tax excl.
    BDT 390 tax incl.
    BDT 390 tax incl.
    BDT 0 Tax
    BDT 390 tax excl.
    BDT 390 tax excl.
    BDT 0 Tax
    BDT 390 tax incl.
    More JQ6500 HW-896 V1.2 Voice Sound MP3 Player Module
    In-Stock
    In stock: 5
    MT8870 DTMF Audio Decoder Module Robotics Bangladesh

    Reference: RBD-0981

    MT8870 DTMF Audio Decoder Module

    (0)
    Low power device.  DTMF decoder chip.  Band-split filter. Digital decoding functions. Modem interfaces.  Mobile radios.
    BDT 290
    BDT 290 tax incl.
    BDT 290 tax excl.
    BDT 290 tax excl.
    BDT 290 tax incl.
    BDT 290 tax incl.
    BDT 0 Tax
    BDT 290 tax excl.
    BDT 290 tax excl.
    BDT 0 Tax
    BDT 290 tax incl.
    More MT8870 DTMF Audio Decoder Module
    In-Stock
    In stock: 47
    Mini MP3 and WAV File Player Robotics Bangladesh

    Reference: RBD-2769

    Mini MP3 and WAV File Player

    (0)
    Compact MP3/WAV player module (Model MP3-TF-16P / FN-M16P) Supports FAT16/FAT32 file systems and up to 32GB microSD cards Plays MP3 and WAV files with 24-bit DAC, SNR 85dB, and 90dB dynamic range Built-in 3W amplifier for direct speaker drive or stereo analog output Control via microcontroller (UART) or standalone pushbuttons USB connection for direct...
    BDT 240
    BDT 240 tax incl.
    BDT 240 tax excl.
    BDT 240 tax excl.
    BDT 240 tax incl.
    BDT 240 tax incl.
    BDT 0 Tax
    BDT 240 tax excl.
    BDT 240 tax excl.
    BDT 0 Tax
    BDT 240 tax incl.
    More Mini MP3 and WAV File Player
    In-Stock
    In stock: 56
    PCB Mounted Passive Buzzer Module Robotics Bangladesh PCB Mounted Passive Buzzer Module Robotics Bangladesh

    Reference: RBD-2085

    PCB Mounted Passive Buzzer Module

    (0)
    Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH):  26 x 15 x 11 mm
    BDT 69
    BDT 69 tax incl.
    BDT 69 tax excl.
    BDT 69 tax excl.
    BDT 69 tax incl.
    BDT 69 tax incl.
    BDT 0 Tax
    BDT 69 tax excl.
    BDT 69 tax excl.
    BDT 0 Tax
    BDT 69 tax incl.
    More PCB Mounted Passive Buzzer Module
    In-Stock
    In stock: 177
    TTP223B Digital Touch Sensor Capacitive Touch Robotics Bangladesh

    Reference: RBD-0663

    TTP223B Digital Touch Sensor Capacitive Touch

    (0)
    Power supply voltage(VCC): 2.0, 3, 5.5 V. Output high VOH: 0.8VCC V Output low VOL: 0.3VCC V Response time (touch mode) : 60 mS Response time (low power mode) : 220 mS Can replace the traditional touch of a button Four M2 screws positioning holes for easy installation RoboticsBD
    BDT 80
    BDT 80 tax incl.
    BDT 80 tax excl.
    BDT 80 tax excl.
    BDT 80 tax incl.
    BDT 80 tax incl.
    BDT 0 Tax
    BDT 80 tax excl.
    BDT 80 tax excl.
    BDT 0 Tax
    BDT 80 tax incl.
    More TTP223B Digital Touch Sensor Capacitive Touch
    In-Stock
    In stock: 330
    7mm Thread 2 Pin Metal Push Button - Blue Robotics Bangladesh 7mm Thread 2 Pin Metal Push Button - Blue Robotics Bangladesh

    Reference: RBD-0800

    7mm Thread 2 Pin Metal Push Button - Blue

    (0)
    Easy to install, momentary push-button switch Ideal for basic On/Off applications Compact design (11mm depth) for tight spaces Normally open (NO) - activates on press, resets on release Blue button for clear visibility and marking.
    BDT 55
    BDT 55 tax incl.
    BDT 55 tax excl.
    BDT 55 tax excl.
    BDT 55 tax incl.
    BDT 55 tax incl.
    BDT 0 Tax
    BDT 55 tax excl.
    BDT 55 tax excl.
    BDT 0 Tax
    BDT 55 tax incl.
    More 7mm Thread 2 Pin Metal Push Button - Blue
    In-Stock
    In stock: 131
    Push Button Cap Robotics Bangladesh

    Reference: RBD-1763

    Push Button Cap

    (0)
    Fits on a 6 x 6 x 5.3 mm tactile push button switch. Contact resistance: 50m Max (initial) Insulation resistance: m 100 M minDC (250 V) Red Color
    BDT 3
    BDT 3 tax incl.
    BDT 3 tax excl.
    BDT 3 tax excl.
    BDT 3 tax incl.
    BDT 3 tax incl.
    BDT 0 Tax
    BDT 3 tax excl.
    BDT 3 tax excl.
    BDT 0 Tax
    BDT 3 tax incl.
    More Push Button Cap
    In-Stock
    In stock: 689
    LM386 Audio Amplifier Module Robotics Bangladesh

    Reference: RBD-2725

    LM386 Audio Amplifier Module

    (0)
    Compact LM386 Audio Amplifier Module for DIY sound projects Onboard LM386 chip with 200× gain circuit design Adjustable volume control via onboard 10K variable resistor Speaker wiring block supports 4–8 Ohm speakers Onboard power indicator for easy status monitoring Ideal for FM receivers, music modules, and custom audio systems
    BDT 150
    BDT 150 tax incl.
    BDT 150 tax excl.
    BDT 150 tax excl.
    BDT 150 tax incl.
    BDT 150 tax incl.
    BDT 0 Tax
    BDT 150 tax excl.
    BDT 150 tax excl.
    BDT 0 Tax
    BDT 150 tax incl.
    More LM386 Audio Amplifier Module
    In-Stock
    In stock: 83
    Breadboard (Medium Size) Robotics Bangladesh

    Reference: RBD-0120

    Breadboard Half Size Bare 400 Tie Points

    (0)
    400 tie points 2 Power lanes, Total 100 tie points in power lanes 1 Double strip, Total 300 tie points Perfect for Arduino shield prototyping and testing Plastic housing, metal contact clips
    BDT 88
    BDT 88 tax incl.
    BDT 88 tax excl.
    BDT 88 tax excl.
    BDT 88 tax incl.
    BDT 88 tax incl.
    BDT 0 Tax
    BDT 88 tax excl.
    BDT 88 tax excl.
    BDT 0 Tax
    BDT 88 tax incl.
    More Breadboard Half Size Bare 400 Tie Points
    In-Stock
    In stock: 248
    5mW Adjustable Laser Dot Diode Module Robotics Bangladesh 5mW Adjustable Laser Dot Diode Module Robotics Bangladesh

    Reference: RBD-0150

    5mW Adjustable Laser Dot Diode Module

    (0)
    Output Power: 5mW Working Voltage: 3-3.3V DC Working temperature: -10 ℃~＋40 ℃ Housing material: Copper Working life: more than 2000 hours Spot mode: Dot Facula (continuous output) Laser wavelength: 650nm red-colored. Operating current: <40mA Power lead length: 120mm. 5V could damage the laser
    BDT 26
    BDT 26 tax incl.
    BDT 26 tax excl.
    BDT 26 tax excl.
    BDT 26 tax incl.
    BDT 26 tax incl.
    BDT 0 Tax
    BDT 26 tax excl.
    BDT 26 tax excl.
    BDT 0 Tax
    BDT 26 tax incl.
    More 5mW Adjustable Laser Dot Diode Module
    In-Stock
    In stock: 114
    SW-420 NC Type Vibration Sensor Module Robotics Bangladesh SW-420 NC Type Vibration Sensor Module Robotics Bangladesh

    Reference: RBD-0152

    SW-420 NC Type Vibration Sensor Module

    (0)
    Using SW-420 normally closed type vibration sensor Comparator output, clean signal, good waveform, strong driving ability, >15mA Operating voltage 3.3V ~ 5V Output format: digital switching output (0 and 1) Using a wide voltage LM393 comparator With bolt holes for easy installation
    BDT 90
    BDT 90 tax incl.
    BDT 90 tax excl.
    BDT 90 tax excl.
    BDT 90 tax incl.
    BDT 90 tax incl.
    BDT 0 Tax
    BDT 90 tax excl.
    BDT 90 tax excl.
    BDT 0 Tax
    BDT 90 tax incl.
    More SW-420 NC Type Vibration Sensor Module
    In-Stock
    In stock: 64
    Arduino Pro Mini 328 5V/16Mhz Robotics Bangladesh Arduino Pro Mini 328 5V/16Mhz Robotics Bangladesh

    Reference: RBD-0155

    Arduino Pro Mini 328 5V/16Mhz

    (0)
    Microcontroller: ATmega328 Circuit Operating Voltage: 5V Clock frequency: 16MHz. Digital I/O Pins: 14 8 analog input port: A0 ~ A7. A pair of TTL level serial port transceiver : RX / TX. 6 PWM port: D3, D5, D6, D9, D10, D11. Support serial download.
    BDT 490
    BDT 490 tax incl.
    BDT 490 tax excl.
    BDT 490 tax excl.
    BDT 490 tax incl.
    BDT 490 tax incl.
    BDT 0 Tax
    BDT 490 tax excl.
    BDT 490 tax excl.
    BDT 0 Tax
    BDT 490 tax incl.
    More Arduino Pro Mini 328 5V/16Mhz
    In-Stock
    In stock: 119

    Follow us on Facebook

    Facebook