Has Active Noise Cancellation (Anc)
Anker Soundcore Space Q45
✓
Adidas RPT 02 Sol ✗
Active noise cancellation uses more advanced technology to actively counter noise. How it works, it listens to the sound pattern of incoming noise and then generates a mirror signal to cancel it out. In simple terms, it's like taking +1 outside (noise from your surrounding) and adding -1 inside (counter sound within the device) to make zero resulting in a reduced level of noise.
Anker Soundcore Space Q45 allow you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise.
Has Passive Noise Reduction
Anker Soundcore Space Q45
✓
Adidas RPT 02 Sol ✗
Passive Noise Cancellation uses well-designed ear cups to seal out environment noise. This is used for both in-ear earphones and over-ear headphones where the headphone itself will keep surrounding noise out.
The Anker Soundcore Space Q45 sits tightly in place, creating an acoustic seal that reduces background noise and prevents your music from leaking out.
Lowest Frequency
Anker Soundcore Space Q45
20Hz
Adidas RPT 02 Sol 20Hz
Low-frequency response measures if and how well an audio component reproduces low audible frequencies and if it makes any changes to the signal while at it. Adidas RPT 02 Sol's lowest frequency is at 20Hz, the lower the low-frequency response, the stronger and juicier the bass.
Anker Soundcore Space Q45's lowest frequency is at 20Hz, this implies that
both devices produce equal bass
Highest Frequency
Anker Soundcore Space Q45
40000Hz
Adidas RPT 02 Sol 20000Hz
High frequency response measures if and how well an audio device reproduces high audible frequencies and if it changes to the signal while at it. Adidas RPT 02 Sol's highest frequency is at 20000Hz, the higher the high-frequency response, the clearer and crispier the treble.
Anker Soundcore Space Q45's highest frequency is at 40000Hz, this means that
Anker Soundcore Space Q45 got a clearer and crispier treble than the Adidas RPT 02 Sol
Sound Pressure Level
Anker Soundcore Space Q45
100dB/mW
Adidas RPT 02 Sol 105dB/mW
Sound pressure is the average variation in atmospheric pressure caused by the sound, the sound level .i.e how loud something is can be perceived differently by different people so we need to have the means to get an objective measurement of sound level expressed in numerical terms.
The sound pressure level, SPL, is the pressure level of a sound, measured in decibels, dB, Adidas RPT 02 Sol's measurement is 105dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Anker Soundcore Space Q45's sound pressure level measurement is 100dB/mW.
Driver Unit Size
Anker Soundcore Space Q45
40mm
Adidas RPT 02 Sol 45mm
The driver unit is the component that produces sound in the device, its size dictates the loudness of the headphone. Adidas RPT 02 Sol driver unit is 45mm in diameter, bigger drivers are more powerful and can produce better bass.
Anker Soundcore Space Q45 driver unit is 40mm in diameter,
which means that they have a smaller driver unit than that of Adidas RPT 02 Sol by 5mm
, as many tend to believe that driver units of a bigger size automatically produce better sound quality.
However, large drivers usually have difficulty reproducing high frequencies so yes, larger drivers are capable of generating louder sound, but this does not mean that they produce better sound.
Impedance
Anker Soundcore Space Q45
✗
Adidas RPT 02 Sol 32Ohms
Impedance is the device's resistance to the electromagnetic current, when electricity flows through a wire, it faces electrical resistance that counters the flow of current. The resistance of a conductor is measured in ohms. Adidas RPT 02 Sol's impedance is 32Ohms, the lower the impedance, the easier it is to get higher volume and requires less power.
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