Frequency balance: You can listen to the sounds of different frequency bands in turn. The bass you hear should be compact, clear, and the tone is exact, not creaking, not dragging or confusing; while the midrange as the main part of the music is more important, the vocals and instrumental sounds should be natural, with details. Do not over-sound or muffle, nor too bright or too light, high-pitched should be open, airy and extensible, no screaming or fading.
Resolving power: Listen carefully to see if you can hear details in the music, such as the decline of arpeggios or piano sounds, the hall sounds in a concert hall or jazz club. If the details of the low level are not clear enough, it means that the speaker lacks transparency. For true and satisfactory playback, the resolution at low levels is critical. This is also the difference between a good speaker and a lame speaker.
Transient response: The speaker should be able to reproduce transients in the music. The sound response when you just hit the string drum or just push the guitar is strong and sound, not to be "surprised", "excited" or "slow" and "slow". In addition, the sounds of natural decline, such as the "tailing" of voices and voices, should gradually decay and should not stop.
Dynamic Range: Sound playback should be compared to low and high dynamics. Ideally, the speaker should be able to continuously reproduce from the lowest sound to the strongest orchestral field, without the silence of the silent part or the loud passage.
Sound image localization and sound field (stereo): Listen to the positioning of the sound image. Note that instrumental music or vocals are sent from the sound field of the space. The precondition is that the speakers have the correct position in the room. You can find some monophonic sound recordings to audition, and you can also focus on other performances of the speakers. The sound-located speakers will “disappear†in the sound field, so that the listener can’t feel the beautiful melodious music from the pair of speakers in front. The music is coming, the singer seems to be standing in front. Somewhere in the middle position, it is screaming.
Scattering characteristics: Go to different locations in the room to listen. You can sit and stand to check the sound scattering in the vertical plane. At this point, the treble that is heard will inevitably change a lot. Some speakers have an "empire position" that is limited to a narrow range, while some speakers provide good sound image localization over a wide range.
Each speaker is designed with some trade-offs in terms of playback quality and performance, so you should pick the ones you want and what you want.
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