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Comparison Philips BT-7900 vs Philips BT-6900

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Philips BT-7900
Philips BT-6900
Philips BT-7900Philips BT-6900
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Main
DuraFit fabric. 3 colour options. IPX7 housing protection. Power 10 W. Passive emitter. Fast charging support. Bluetooth up to 30 m.
Connection
Sources and media
Bluetooth
mini-Jack (3.5 mm)
Bluetooth
mini-Jack (3.5 mm)
Acoustic characteristics
Number of channels2.0 (stereo)1.0 (mono)
Passive emitter
Output power14 W10 W
Frequency range100 – 20000 Hz85 – 20000 Hz
Features
speakerphone
speakerphone
More features
handle / strap
handle / strap
Battery
Battery capacity2200 mAh
Battery life10 h10 h
USB charging portmicroUSBmicroUSB
General
WaterproofIPX7IPX7
Materialplasticplastic
Size (HxWxD)71x210x72 mm71x160x72 mm
Weight530 g313 g
Color
Added to E-Catalogjuly 2017july 2017

Number of channels

Mono. The simplest type of acoustics is a single-channel audio system equipped with one speaker. Of course, there is no question of any volume of sound.

Stereo. Acoustic system equipped with two speakers responsible for the left and right channels. Allows you to create a minimal illusion of "surround" sound by simulating the displacement of the sound source in the space in front of the listener.

2.1. A system of two stereo speakers that create a minimal illusion of "surround" sound, and a subwoofer that provides powerful and rich sound at low and ultra-low frequencies.

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).
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