This page provides a brief explanation of the specific uses of the AMP.

Power Consumption

The consumed power is specified. Please note that this is a separate item from the rated output.

​

Rated Output

ParagThe consumed power is specified. Please note that this is a separate item from the rated output. Information about the output for connecting speakers (SP) is provided. Commonly used values include W (watts) and Ω (ohms). This helps determine the compatible speakers and their quantity. For more details, please refer to the LoZ/HiZ section.

​The following values compare the input and output, representing the changes induced by the AMP.

Frequency Response

It is indicated whether the input signal can be amplified without causing frequency-based changes (For example, whether there is a significant increase in the level around a certain frequency ). The targeted frequency range and the changes occurring within it are expressed in dB. Essentially, since an AMP generally aims to avoid actions other than amplification, a lower value in this context is considered favorable.

Total Harmonic Distortion (THD)

During amplification, additional high frequencies that were not present in the original signal may be introduced. Generally, in the context of amplification for PA systems and sound systems, this is considered undesirable. The ratio between these high frequencies and the original signal is expressed in dB. Lower values in this context are also considered favorable.
​

S/N

It indicates how much unwanted signal (N: Noise) other than the input signal (S: Signal) is included in the output. It is expressed as the ratio of the input signal to the other signals in the output (S/N), where a larger value is considered better as it signifies that unwanted noise is smaller in proportion to the input signal.