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Comparison Sven PS-490 vs Sven PS-470

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Sven PS-490
Sven PS-470
Sven PS-490Sven PS-470
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Connection
Sources and media
Bluetooth
mini-Jack (3.5 mm)
USB
card reader
FM receiver
Bluetooth
mini-Jack (3.5 mm)
USB
card reader
FM receiver
Acoustic characteristics
Number of channels2.0 (stereo)2.0 (stereo)
Passive emitter
Output power36 W18 W
Frequency range80 – 22000 Hz100 – 20000 Hz
More features
LCD display
handle / strap
LCD display
handle / strap
Battery
Battery capacity2000 mAh1800 mAh
USB charging portmicroUSBmicroUSB
General
Materialplasticplastic
Size (HxWxD)210x465x200 mm190x400x154 mm
Weight2900 g2050 g
Color
Added to E-Catalogmay 2019october 2017

Passive emitter

The presence of a passive radiator in the design of the speaker system.

Such an emitter is a speaker cone that does not have its own coil and magnet — in other words, it does not produce sound itself, but only vibrates from the sound of other speakers. Like the phase inverter (see above), this part is intended to improve sound pressure and sound depth, especially at low frequencies; at the same time, the advantage of a passive radiator is the absence of a tube, due to which the design is simpler and more compact than with a phase inverter.

Output power

The total power of all channels of the speaker system. The higher the power, the larger the size of the room in which the audio system can be used, however, more powerful portable speakers usually have larger dimensions and weight.

Frequency range

The range of audio frequencies reproduced by the audio system. The wider the range, the richer the sound, the more details the speakers can convey, especially in the low and high frequencies. At the same time, we note that the average human ear is able to hear sounds in the range of about 16 – 20,000 Hz, and it makes no sense to provide a wider range in speakers — a person simply will not hear it. Also note that a wide frequency range alone does not guarantee good sound quality.

Battery capacity

Theoretically, a higher capacity allows to achieve greater battery life, but in fact, the operating time also depends on the power consumption of acoustics — and it can be very different, depending on the characteristics and design features. So this parameter is secondary, and when choosing it is worth paying attention not so much to the battery capacity, but to the directly claimed operating time (see below).
Sven PS-490 often compared
Sven PS-470 often compared