Key features
- Class D audio amplifier and 1 W 8 Ω speaker on the same board
- Only three wires: ground, 3–5 V power and audio signal
- AC coupling already on board: the signal can range up to the supply voltage (3 or 5 V peak-to-peak)
- 3-pin STEMMA JST connector or alligator/sew pads
- Volume adjustable with a small screwdriver
- Good enough quality for music, tones and speech
- Suited for Circuit Playground and micro:bit (with JST to alligator-clip cable) or breadboards (with JST to header cable)
Technical specifications
- Amplifier: class D
- Speaker: 1 W, 8 Ω
- Power supply: 3–5 V
- Audio input: up to the supply voltage (3 or 5 V peak-to-peak)
- Connections: 3-pin STEMMA JST (tan or black), alligator/sew pads
- Dimensions: 37 × 30.5 × 7.2 mm
- Weight: 7.5 g
Typical uses
Sound effects, alarms, speech and simple music for projects with Circuit Playground, micro:bit, Arduino and other microcontrollers, wearables and toys.
Package contents
- 1 STEMMA speaker module with amplifier
Warnings. This item is an electronic component (part, board, module or accessory) intended for people with technical skills in electronics, for development, prototyping, education, repair and integration into other equipment. It is not a ready-to-use finished product or a toy and is not suitable for children under 14. Wiring, power supply, installation and use are the buyer's responsibility, following the manufacturer's documentation and the applicable safety rules. Anyone who integrates it into equipment placed on the market becomes its manufacturer and must ensure its conformity (CE marking under directives 2014/30/EU on electromagnetic compatibility, 2014/35/EU on low voltage and, for radio functions, 2014/53/EU). Consumer rights under Italian Legislative Decree 206/2005, including the legal guarantee of conformity, are not affected.
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