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  • $13.99
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  • Ships from China.
    Sold by Kepler Forge

    Shipped by Kepler Forge

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    3pcs 2831 4 Ohm 3W Hollow Horn Speaker for Advertising Machine 2P 2.0 Interface

    • Product Model: 2831 Cavity Speaker 4 3W Wired 2P 2.0 Product Type: Cavity Speaker Package Dimensions: 28x31mm Wired 2P_ 2.0 Impedance: 4 Power Handling: 3W Operating Frequency: 0-20kHz Sound Pressure Output: 89±3dB A high-performance buzzer speaker designed for a wide range of electronic projects. Perfect for Arduino and Raspberry Pi applications, as well as advertising machines, game consoles, smart home devices, and more. No complex driving circuits required . Ideal for digital displays, security systems, alarms, printers, and other electronics needing an audible alert. Features long service life, stable performance, and high pass rate. Easy to integrate into various DIY and industrial projects. A must-have for engineers, hobbyists, and developers looking for a dependable sound module.
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    High-Frequency Audio Output 0-20kHz operating range; 89±3dB sound pressure output; delivers clear and crisp audio for advertising machines and digital displays; Easy Integration for DIY Projects 4 impedance; 3W power handling; compatible with Arduino and Raspberry Pi; no complex driving circuits required; Stable Performance in Various Applications Low distortion design; long service life; suitable for alarms, printers, and smart home devices; Compact Design with Reliable Operation 28x31mm package size; 2P 2.0 interface; ensures stable performance in industrial and consumer electronics; Durable Sound Module for Multiple Uses Hollow horn structure; high pass rate; ideal for game consoles, security systems, and electronic alerts

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