The Audible LPA-150EC Public Address Amplifier (280W) is a powerful and versatile solution for professional sound reinforcement in schools, offices, houses of worship, commercial complexes, and event venues. Built with AB-class amplification technology, this amplifier delivers high audio fidelity, energy efficiency, and reliable performance, making it suitable for both speech and music applications.
With its 280-watt output power, the LPA-150EC provides clear and consistent sound coverage, even in larger environments. It supports multiple input options, including three microphone inputs, two auxiliary inputs, and one line input, offering flexibility for a variety of audio sources such as microphones, media players, and external mixers. Additionally, the integrated MP3 player module with USB and SD card support ensures seamless playback of digital audio files without the need for external devices.
The amplifier is designed with user-friendly front panel controls that allow precise adjustment of individual input volumes, as well as master controls for bass, treble, delay, and echo. This ensures professional sound shaping and adaptability to different environments. Moreover, the rear panel supports both high-impedance (100V/70V) and low-impedance (4–16Ω) speaker systems, giving installers the flexibility to design custom audio setups.
For added convenience, the zone output terminals make it possible to distribute sound across multiple areas, while built-in protection features safeguard the amplifier against overload and overheating. As a result, the LPA-150EC not only delivers exceptional sound but also ensures long-term reliability and safety.
In conclusion, the Audible LPA-150EC (280W) is an ideal choice for anyone seeking a cost-effective, high-performance, and durable public address amplifier. Its combination of power, flexibility, and advanced features makes it a trusted solution for professional audio installations.
Specifications:
| Model | LPA-150EC | |
| Rated Output Power | 280W | |
| Amplifier Class | AB | |
| Power Supply | AC 110V/220V ~ 50Hz/60Hz | |
| Mic Inputs | 3 × MIC (6.35mm jack) | |
| Aux Inputs | 2 × AUX (RCA) | |
| Line Input / Output | 1 × LINE IN, 1 × LINE OUT (RCA) | |
| USB/SD Card Support | Yes (MP3 Playback Module with Display & Control Keys) | |
| Tone Control | Bass / Treble | |
| Effects Control | Echo / Delay | |
| Output Types | 100V, 70V, 4–16Ω, COM terminals | |
| Speaker Zone Selection | 5 Zones with Independent On/Off Switches | |
| Cooling | Built-in Cooling Fan | |
| Indicators | Power, Signal, Clip, Protect | |
| Protection | Overload, Short Circuit, Overheat | |
| Mount Type | Rack Mountable | |
| Finish | Black Metal Chassis |






