Some of the technical jargon which amp companies make public often are deceptive and do not necessarily offer a good indication of the real performance of the amp. The higher this figure the louder your speakers. Based on your application, you can choose a small amp delivering merely a few watts or a bigger one offering several hundred watts. Most home radios only come with amplifiers which have several watts output power which regularly is sufficient for a small space. Please note that a lot of mini amplifiers will begin clipping the music once the audio reaches higher wattage. If you want to enjoy low-distortion audio then you may want to choose an amplifier which is going to give you higher wattage than you will really require. A number of specs are going to present the wattage in “Watts peak” while others are going to display “Watts rms”. On the other hand, “peak power” can frequently be misleading because there is no standard showing the amount of time that the amp must be able to deliver this level of power. Still, whereas the rms spec will tell you more about the amplifiers actual performance, be certain though that the amp offers a peak power rating that is substantially bigger than the rms rating. the power envelope of the audio is going to change over time. Amplifiers have a limited output voltage swing as a result of the fixed internal supply voltage. As such the highest output power will differ depending on the speaker impedance. If the maximum power is not referenced to a loudspeaker impedance, you should get in touch with the producer.