Boost POWERSOUND280 - Page 5

5
EN
© Copyright LOTRONIC 2019
Troubleshooting
Problem Possible cause Solution
No sound output when
power on
1: No input sound source 1:Connect a Line signal
2: Volume in the lowest position 2: Adjust volume
3: USB/TF not connected 3: Insert a USB/TF Card
Distortion of sound
1:Volume too loud 1: Turn volume lower
2: Audio file error 2: Check and change the audio file
3: Adjust Bass/Treble by “MENU” and
“Main volume”
No sound from the
Microphone
1:Microphone socket not fully plugged in 1: Completely plug in the microphone
socket
2: Microphone switch is not on 2: Power on microphone
3: Microphone volume too low 3: Adjust microphone volume
No sound from the
USB/TF card
1:incompatible song format 1: songs format should be MP3/WMA
2: Illegal operation causes failures 2: Power off, then power on
3:USB/TF Card not inserted properly 3: Insert USB/TF card properly
Speaker makes much
noise
1: Wired Microphone too close to the
speaker
1: Do not let the wired microphones head
point at the speaker
2: Wired Microphone is switched on but
not in use
2: Turn off wired microphone if not in use
3: Microphone volume too loud 3: Reduce the microphone volume
4: Mobile phone too close to the speaker 4: Keep mobile away from the speaker
during calls
5: Too close to the equipment which inter
-
feres with the speaker
5: Keep the speaker away from other
sources of interference
Blue-connect Failure
1: Blue-connect Disconnected 1: Find the right device Name or press
"MENU" Button to restore factory set-
tings.
2: Blue-connect Connected but no voice 2: Confirm if you are connected to the
right device Name
3: Blue-connect effective distance too
short
3: Try to keep away from barriers, such as
walls, glasses…etc
Specifications
Max. power ..............................................................................................................................................................................280W
Woofer .......................................................................................................................................................................2 x 6.5"/16cm
Freq. range ................................................................................................................................................................ 100Hz-18kHz
FM band ........................................................................................................................................................... 87.5MHZ – 108MHz
S/N ratio ................................................................................................................................................................................ ≥75dB
BT frequency ......................................................................................................................................................... 2402-2480MHz
BT Max RF Power .......................................................................................................................................................... -0,91dBm
Power supply .................................................................................................................................. 5V𝌃 2A via supplied USB lead
Built-in battery ..............................................................................................................................................Lithium 3.7V𝌃 3.6Ah
Dimensions ..................................................................................................................................................... 290 x 280 x 660mm
Weight ..................................................................................................................................................................................... 3.9kg
The product design and specifications may be changed without prior notice!
This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent
possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the
sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact
the retailer where the product was purchased. They can take this product for environmental safe recycling.