Newest Concert Speaker Nfc Bluetooth Speaker

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Feature:

1. International authentication brand CSR bluetooth 4.0 module, high-definition phone, A2DP interactive control, wireless transmission effective distance of 10 meters (under the premise of barrier-free wall).

2. Two 52 cm aluminum iron shed all frequency loudspeakers, effective power 12 w, in indoor and outdoor can be powerful music effect.

3. Double power supply mode, 9 v / 1 a transformer power supply, two pieces of original 1000 ma batteries(2000 mah batteries long range to 8 hours), household 220 v power supply to recharge the battery at the same time.


4. The touch control operation, LED display screen .

5. The international quality certification, CE/FCC/ROHS certification.



Newest Concert Speaker Nfc Bluetooth Speaker Bs-228
* Famous brand JBL sound .
* Wireless phone with bluetooth stereo / 2000 mAh batteries can be 8 hours continuous play 12 w/power .
*
International brand JBL and high-end CSR bluetooth 4.0 .
* Clear communication without noise echoes in wireless connection stability transmission effect is good .

* Suitable environment : travel  , Internet video chat , listen to music online office , store that occupy the home .

Newest Concert Speaker Nfc Bluetooth Speaker Bs-228



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Q:Notebook speaker headset can not automatically switch, how to do
First open the "Control Panel" in the Smart Audio software
Q:What is the working principle of the loudspeaker?
1. Electric speaker structure is simple, easy to produce, and itself does not require large space, resulting in cheap, can be a lot of popularity.
Q:How the speaker converts the electrical signal into an acoustic signal
Put the tape, the tape recorder to pick out the electrical signal, through the preamplifier amplifier, amplifier and so on.
Q:Speaker woofer what Q value is good
When the Q value is too high, the speaker is in an underdamped state, and the low frequency is excessively strengthened. The larger the Q value, the steeper the peak.So we say that the quality factor of the speaker that can not be too high can not be too low, usually take 0.2 ~ 0.5 is appropriate.
Q:How to set the speaker volume on the computer's master volume
Device volume - advanced and then adjust the volume of the speaker, the speaker settings - advanced (usually click to restore the default value can be) - application
Q:Loudspeaker headset or headset has been unplugged how to do?
Normal (no exclamation point), this situation is also divided into two kinds: one is your sound card driver is not correct, the device can not run properly, the second is your sound card program version is too low, can not work, use Lu master upgrade driver
Q:How does the loudspeaker sound?
First try to plug in the headset to see if there is no sound, the sound may be bad speakers.
Q:How does the computer's speakers install?
1. If there is a motherboard drive disk is easy, the drive disk into the drive, open the drive disk, and then, in the "My Computer" on the right button, click "Properties", open the "Device Manager", the "sound video
Q:What is the quota of the loudspeaker sets?
sound reinforcement system equipment installation, commissioning"
Q:The difference between loudspeakers and loudspeakers
Hello, loudspeaker is the sound of the device, and the amplifier some acquaintance.

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