Skip to product information
The Alfatron 250W-UB is a high-performance Class-D mixer amplifier engineered for commercial environments such as retail stores, restaurants, and classrooms. It integrates a comprehensive media player featuring Bluetooth connectivity, an onboard FM tuner, and MP3 playback capabilities via USB. The unit provides a robust 250W output compatible with 70/100V line systems and 4-16 Ohm low-impedance speaker configurations. Integrated connectivity includes dual RCA line inputs, a dedicated emergency EMC input, and microphone inputs with phantom power and priority ducking. Advanced protection circuitry safeguards the system against short-circuits, clipping, overloading, and overheating. Visual monitoring is facilitated through front-panel LED indicators for power, signal status, and protection modes. This versatile amplifier supports both 100-240V AC and 24V DC backup power supplies for uninterrupted operation.
| Power Output | 250W |
| Amplifier Class | Class-D |
| Output Support | 100V, 70V, and 4-16 Ohms |
| Connectivity | Bluetooth, USB, FM Tuner |
| Inputs | 2 x MIC, 1 x EMC, 2 x Line (RCA) |
| Outputs | 1 x Line (RCA) |
| Power Supply | AC 100-240V / DC 24V |
| Protection Circuits | Short-circuit, clip, overload, high temperature |
| Priority Levels | EMC > MIC1 > Others |