Compact 2828 Enclosure Speaker with 4 Impedance and 2W Power Handling 4; 2W; 020kHz operating frequency; 100±3dB sound pressure output; Low power consumption; High Stability and Long Service Life for Reliable Performance Anti-interference design; Stable operation in various environments; Suitable for digital displays, alarms, and smart home devices; 2.0 Channel Wired Cavity Horn Speaker for DIY Projects 2.0 channel cable; 28x28 wired 2P enclosure; Simple setup; Compatible with common development boards; Ideal for audio alerts and notifications; Low Complexity Integration for Quick Prototyping No complex driving circuits required; Plug-and-play functionality; Fast deployment in advertising machines and game consoles; Designed for General Electronic Applications with Wide Compatibility Not for high-voltage (>50V) systems; Supports LabVIEW and MATLAB; Durable construction; Excellent for educational and hobbyist use