©Copyright Lotronic 2018
MAD-HIGHPOWER300
3
Specifications
MAD-HIGHPOWER300
Max. power
250W
RMS power
125W
Woofer
2 x 5"/13cm
Freq. range
40Hz-18kHz
S/N ratio
≥
60dB
Power supply
9Vdc via supplied mains adaptor
Built-in battery 2Ah
Dimensions
200 x 220 x 410mm
Weight
2.9kg
The product design and specifications may be changed without prior notice!
Troubleshooting
Problem
Possible cause
Solution
No sound output
when power on
1: No input sound source
2: Volume in the lowest position
3: USB/SD not connected
1:Connect a Line signal
2: Adjust volume
3: Insert a USB/SD Card
Distortion of sound
1:Volume too loud
2: Audio file error
1:Turn volume lower
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
2: Microphone switch is not on
3: Microphone volume too low
1:Completely plug in the microphone socket
2:Power on microphone
3:Adjust microphone volume
No sound from the
USB/SD card
1:incompatible song format
2: Illegal operation causes failures
3:USB/SD Card not inserted properly
1:songs format should be MP3/WMA
2: Power off, then power on
3:Insert USB/SD card properly
Speaker has big
noise
1:Wired Microphone too close to the
speaker
2:Wired Microphone is switched on but
not in use
3: Microphone volume too loud
4:Mobile phone too close to the speaker
5:Too close to the equipment which
interferes with the speaker
1:Do not let the wired microphones head point at the
speaker
2:Turn off wired microphone if not in use
3:Reduce the microphone volume
4: Keep mobile away from the speaker during calls
5:Keep the speaker away from other sources of interference
Blue-connect
Failure
1: Blue-connect Disconnected
2: Blue-connect Connected but no voice
3: Blue-connect effective distance too
short
1: Find the right device Name or press "MENU" Button to
restore factory settings.
2: Confirm if you are connected to the right device Name
3: Try to keep away from barriers, such as walls, glasses…etc
Remarks:
If the problem persists, please contact your dealer.
Electric products must not be put into household waste. Please bring them to a recycling centre. Ask your local
authorities or your dealer about the way to proceed.
