Trouble shooting guide
Main technical specifications
Output power------------------------------------
Input sensitivity----------------------------------
SNR------------------------------------------
Frequency response--------------------------
Power supply---------------------
*Above specifications are the specifications of the sampling machine and are for
reference purpose only.
*Because of continuous product improvement.specifications will keep changing at
any time without prior notification.
≤30W
320mV
≥71dB
60Hz~20KHz
AC 100-240V~,60Hz/50Hz
Instruction Manual
VS-0866
VS-0866
Portable bLUEBOOTH speaker s
Portable bLUEBOOTH speaker
Common function description
Vol:Adjust volume
Treble:Adjust treble
Bass: Adjust bass
Mic Vol:Adjust microphone volume
Echo:Adjust Echo
Mic:Wired microphone input
Product features
This system can be used with PC, DVD, VCD, MP3, Electronic piano and any device with
audio output.
The amplifying circuit is designed with high performance and high fidelity, and equipped with
professional and high quality speaker, it can make the sound field positioning clear and layered.
The system voice effect is outstanding, the bass is surging and shocking, the middle tone is
strong and bright, the treble is crisp and pleasant.
Professional electronic frequency division circuit, so that the division point of the machine
more accurate, better effect.
The use of professional design and manufacture of large capacity batteries, as well as audio
power supply capacitor makes the local power reserve margin more larger,more stable,better
dynamic,higher SNR.
Charging instructions
When charging, connect a matched power adapter to AC 100~240V.Charging time is
approximately 6 to 8 hours.Once fully charged unplug the power supply as leaving a full battery
on charge may cause damage to the battery.
Battery charge indicator:LED panel has battery status indicator.In the
middle of the shape of the battery have four horizontal lines,each horizontal line
represents 25% of electricity remaining.When no horizontal line in the shape of
the battery or the shape flashes,please power off and promptly charge to avoid
damage to the battery.When charging,the charge indicator on the back of the
speaker flashes.The indicator stop blinking after full charged.Then please contiue to charge the
battery for 1-2 hours to extend the battery life.
Warning:If the battery is under voltage,please fully charge it within 48 hours.If the speaker
have to be left unused for a long time,please let the battery fully charged,otherwise it will cause
damage to the battery!
In the process of playing,keep unit away from high temperature environments,high
magnetic fields and high frequencies.If the system is fails to work,turn off the power source or
pull out the USB disc/TF card,then reinsert it and it will resume play.