Adafruit
Stereo Enclosed Speaker Set - 3W 4 Ohm
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Listen up! This set of two 2.8" x 1.2" speakers are the perfect addition to any audio project where you need 4 ohm impedance and 3W or less of power. We p...
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Listen up! This set of two 2.8" x 1.2" speakers are the perfect addition to any audio project where you need 4 ohm impedance and 3W or less of power. We particularly like these speakers as they are small and enclosed for good audio volume and quality. The pair have a handy SPK input cable to add audio to your displays (the connectors are similar to the JST-PH series which is ~2.0mm spacing).
We're specifically carrying these to use with our 10.1 inch, 7 inch, or 5.6 inch 1280x800 Display w/ Audio driver boards. However, they work peachy-keen with any of our audio amps as well, such as the MAX98306, TS2012 or TPA2016 stereo class D amplifiers.
Jargon buster
Plain-language definitions for the technical terms used above.
- Impedance
- Impedance is the total opposition a component or circuit presents to alternating current, measured in ohms, combining resistance with frequency-dependent reactance. It appears in many contexts, such as matching a speaker's impedance (for example 4 ohm or 8 ohm) to an amplifier or the input and output impedance of signal circuits, and a correct match helps avoid weak signals, distortion or damage.
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