Overview
Loudspeakers are the final component in the reproduction chain. You will hear all kinds of opinions on the importance of loudspeakers in the replay chain pitched by gurus around the globe. Most leaning to the fact that loudspeakers don’t measure very well. They all have considerably high harmonic distortion, limited bandwidth and frequency nonlinearity. Those are the parameters that are easily measured even by amateurs. Other, just as important parameters, are directivity, stored energy, time alignment, those are discussed by connoisseurs and by marketing people and require a higher level of equipment and knowledge to identify. Things like signal to noise (yes speakers have signal to noise!), break up behavior, diffraction interference and others are discussed only among people with true experience and understanding. To measure those you need special jigs and equipment that is usually purpose built.
Specs
IMPEDANCE: 4Ω
MAX POWER HANDLING: 250W
SENSITIVITY: 90db
FREQUENCY BAND: 34~20 000Hz