boytone B51M User manual

B51M
Operating Instruction
Dear user:
Thank you for choosing our company's professional active audio products, the speaker is
specifically design and produce for exercise, fitness, dance, opera, music, shopping guide, which
are widely used in schools, shopping malls, indoor and outdoor activities, The sound is clear and
in good quality, the entire outward appearance, designs succinctly naturally,. It has many
advantages such as long working time, stable performance, and convenient operation and so on,
which is a good partner of your work and life.
Inflammable and explosive area:
In flammable and explosive areas, do not use the speaker, and comply with the relevant warning
instructions, so as not to cause explosion or fire.
Inflammable and explosive areas include:
Gas station
The fuel area (such as: the deck of the ship under the cabin).
Transportation and storage facilities for flammable or chemical products.
Area with explosion danger signs.
Area with "turning off the two-way wireless device" sign.
Product features
1, Use imported high-power amplifier chip and advanced circuit design technology.

2, Use strong magnetic high performance frequency horn, sound loud and clear, covering a wide
range of transmission.
3, external audio sound excellent, strong sense of sound level.
Contents
1. Product Feature--------------------------------------------------------------------1
2. Using Instructions --------------------------------------------------------------------2
3. Function Operational Specification ---------------------------------------------------3，
4. Technical Parameters -------------------------------------------------------------------5
5Package Contents---------------------------------------------------------------------6
Instructions：
1. Play music u disk, TF card, regulating host the volume knob on the volume is adjusted to a
proper sound effect, pay attention to avoid the maximum in volume for a long time, so that people
feel upset and acceleration components of aging.
2. Don't put the speaker in a damp, high temperature, oil and other harsh environments, avoid
direct exposure of sunlight and rain.
3. Don’t put the speaker close to the bare fire, to avoid dangerous.
4. Don't put the volume of liquid in the speaker...
5. Equipment suitable for use in non-tropical climate conditions.
6. Equipment suitable for the use of 2000 meters above sea level and the following areas.
Functional operation instructions:
1. Panel description
1、function operational specification:
1. Digital display window
2. Echo volume knob
3. Power switch.

4. Charge LED: when charging ,the light is red
5. DC input: take connection DC 9V 1A
6. Microphone input port
7. Line in input port
8. Microphone Volume Knob
9. Treble Volume
10. USB interface: insert USB.
11. TF card interface: insert TF card
12. Volume knob
13. Pre/Next: When you play the USB and TF card, short press to choose Pre/Next music, long
press to manual operation forwarder sequence adjustment, when AUX input without function.
14. Play/Pause: when play USB and TF card, short press to play/pause the FM, short press is mute,
long press is automatically search channel and store, when at AUX state is mute.
15. Mic first button.
16. Record/Play: Short press to enter record state, resort press play recording, long press this
button you will delete the recording.
17. Mode:AUX input,BT, USB,TF card, FM ,changing-over.
18. LED switch: short press it shows 0, long press shows different style of LED
19. Number button: choose the music quickly.
3>the Remote Instructions：
1. Stand-By
2. Stop
3. Mute
4. Mode shift
5. Recycle

6. EQ: select EQ modes to Normal/Bass/Pop/Jazz Etc.
7. Previous Song/Radio Channel
8. Next Song /Radio Channel
9. Pause/Play
10. Volume Decrease
11. Volume Decrease
12. Number Keys 0-9: press the number combination to quick select the song number or radio
channel number to play.
13. Karaoke priority: Press this button, the Mic LED will be light, it marked enterimnto
Micpriority closed.
14. Record/Playback: Press this button to enter the record state, press again to play the recording.
15. AUX line Mode.
16. FM Mode
17. USB/TF shift
18. Bluetooth Mode
19. FM trimming decrease
20. FM trimming increase
Technical parameters:
1. Power Maximum………………300W
2. Frequency Response………………100Hz-20KHz
3. S/N Radio…………………………≥95d B
4. Output Impedance……………………4Ω
5. Input voltage…………………………DC9V/1A
Package Contents-
1. Host………………………1PC
2. User Manual………………………1PC
3. Adaptor………………………1PC
4. 3.5mmAudio cable………………………1PC
5. Remote Control………………………1PC
6. Wired microphone ………………1PC
7. Microphone ………………1PC