Large Surface Transducer with Wires - 4 Ohm 5 Watt

45 mm diameter 4 Ω / 5 W surface transducer that vibrates any flat surface or large cup it is pressed against to produce sound. Pairs with a compatible audio amplifier.

Logical pinout · physical placement not verified

Speaker lead 1
One of the two pre-soldered transducer coil leads; Adafruit says to connect it as you would any other speaker.
Type · GPIOVoltage · 4Ω impedance, about 5W recommended on the Adafruit product page.
Speaker lead 2
Other pre-soldered transducer coil lead for the speaker/transducer drive connection; polarity is not specified on the Adafruit product page.
Type · GPIOVoltage · 4Ω impedance, about 5W recommended on the Adafruit product page.

Pin	Type	Function	Voltage
Speaker lead 1	GPIO	One of the two pre-soldered transducer coil leads; Adafruit says to connect it as you would any other speaker.	4Ω impedance, about 5W recommended on the Adafruit product page.
Speaker lead 2	GPIO	Other pre-soldered transducer coil lead for the speaker/transducer drive connection; polarity is not specified on the Adafruit product page.	4Ω impedance, about 5W recommended on the Adafruit product page.

Logical pinout · physical placement not verified

Pin details

2 connections

Speaker lead 1
One of the two pre-soldered transducer coil leads; Adafruit says to connect it as you would any other speaker.
GPIOVoltage · 4Ω impedance, about 5W recommended on the Adafruit product page.
Speaker lead 2
Other pre-soldered transducer coil lead for the speaker/transducer drive connection; polarity is not specified on the Adafruit product page.
GPIOVoltage · 4Ω impedance, about 5W recommended on the Adafruit product page.

Start wiring

Analog · I2S · PWM · 3.3 – 5 V · Bare

Adafruit product 1536 is a breadboard-friendly active buzzer: apply 3–5 V DC and it produces a loud fixed tone around 2 kHz; the frequenc…

Buzzers & speakers

22 other options

Passive speakers from 1 W to 20 W (4–8 Ω), piezo buzzers active and passive, bone-conductor and surface transducers, and a BOSON buzzer module — all need a matching driver circuit or amplifier.

View all 22

Related groups

4 groups

Audio boards

Adafruit Audio FX boards and WAV Trigger for standalone playback, DFPlayer Pro and Gravity MP3 for MCU-scripted audio, EasyVR for speech recognition, Fermion/Gravity voice recorders, and Pi I2S DAC/codec boards.

Audio · Audio boards · 51 parts

Microphones

MAX4466 and MAX9814 electret preamp breakouts for analog audio, I2S MEMS mics (ICS-43434, SPH0645LM4H, INMP441) for digital audio, PDM breakouts, ReSpeaker arrays for far-field pickup, and an LM386 sound detector.

Audio · Microphones · 17 parts

Amplifiers

MAX98357A and MAX98357 I2S class-D amps, PAM8403 and TPA2012 analog stereo amps, MAX9744 20W stereo amp, LM386 and PAM8302 mono amps, and discrete op-amp packs for signal-level work.

Audio · Audio amplifiers · 15 parts

3D printing

DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.

Tools & prototyping · 3D printing · 53 parts