3pcs 3020 4 Ohm 3W Hollow Horn Speaker Driver with 2P 1.25mm Connector for Voice Box

High Output 4 3W Cavity Speaker 4 impedance; 3W power rating; 500-5000Hz operating frequency; 89 ±3dB sound pressure level; ideal for voice alerts in electronic toys and security devices; Easy Integration with Development Boards Compatible for Arduino and Raspberry Pi; 2P 1.25 mm connector; no complex driving circuits required; delivers clear continuous beep tone for notification applications; Stable Performance with Long Service Life High pass rate; stable operation; low failure rate; suitable for repeated use in alarm systems and timers without degradation; Wide Frequency Range for Clear Audio Output 500-5000Hz frequency response; 89 ±3dB sound pressure level; ensures audible alert in various environments including printers and copiers; Reliable Operation Without External Circuitry No need for additional amplification; direct power connection; instant sound emission; suitable for simple audio signaling in electronic products