Based on this product's specifications, here are some alternatives and similar models
Audio amplifier Omnitronic 80709741 Performance/stage Black
Summary description:
The Omnitronic 80709741 audio amplifier delivers a peak power of 350 W per channel with a Class A/B design, ensuring low Total Harmonic Distortion (THD) of just 0.5%. It features clamp terminals for easy speaker connectivity and operates on a standard AC input of 230 V at 50 Hz, with a typical power consumption of 700 W. Compact dimensions of 483 mm width, 385 mm depth, and 89 mm height make it suitable for various setups.