SHIDU M300 Wired Voice Amplifier User Manual

M300 Wired Voice Amplifier

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Specifications:

• Distortion: 80db
• Power: 10W
• Frequency Range: 120Hz~18KHz
• Battery Life: 6-8 hours
• Charging Time: 3-4 hours

Product Usage Instructions:

1. Power Switch and Volume Control:

Rotate the knob switch in the clockwise direction to turn on the
speaker. The blue indicator will turn on. Rotate the knob switch
continuously to increase the volume and rotate it in the
counterclockwise direction to decrease the volume until the speaker
is turned off.

2. DC 5V Charging Port:

Charge through Type-C charging cable with a DC 5V output
adapter. The red indicator light will stay on when charging and
turn off after fully charged. Unplug the charger once fully
charged. Do not connect the laptop’s USB port to charge the
speaker.

3. Bluetooth Function:

Pairing: Short press the ‘M’ button to switch
to Bluetooth mode. The voice prompt will indicate that Bluetooth is
waiting for connection. Turn on your device’s Bluetooth function,
search for ‘M300’, and select it to pair. A voice prompt will
confirm when Bluetooth is connected.

Stable Connection: Keep the speaker close to
the device while playing music to maintain a stable connection.

4. 2.4G Wireless Microphone Instruction:

Power On/Off: Turn the power switch to ON to
turn on the microphone and OFF to turn it off.

Auto Pairing: Turn on the speaker first, then
turn on the 2.4G wireless microphone. Successful pairing is
indicated by a steady blue light on the microphone.

Volume Control: Adjust volume by pressing +/-
on the wireless microphone if there is howling or low volume.

5. Microphone Charging:

Charging: Charge the microphone using a Type-C
charging cable with a DC 5V output adapter. The red indicator light
will be on during charging and turn off after full charge. Unplug
once fully charged.

Notes:

1. The normal charge time is 2-4 hours; unplug once fully
   charged.

2. Fully charge before first use for best results.

3. Turn off the 2.4G wireless microphone when not in use.

4. Do not charge the microphone using a laptop’s USB port.

Frequently Asked Questions (FAQ):

Q: How do I prevent howling when using the voice

amplifier?

A: Ensure that the MIC doesn’t point directly
at the amplifier. Aim at the headset MIC capsule when speaking and
maintain a distance of more than 60 cm between the voice amplifier
and the MIC to avoid howling.

Q: How can I achieve the required distance for better

amplification?

A: Simply tuck the speaker around your waist
and mount the headphone over your head to achieve the necessary
distance.

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“M300”

·ABS, ·, · ·MP3,TF/U · ·/ ·

10W 80db
6-8 120Hz~18KHz
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Please read the instruction carefully before using it. Note: Before turn on the amplifier, ensure that the MIC don’t point at the amplifier, this will eliminate any annoyance associated with howling. For ensure better amplification, aim at the headset MIC capsule when speaking, and keep the distance between the voice amplifier and the MIC more than 60 cm to avoid howling. Simply tucking the speaker around waist, and mounting headphone over head can help to achieve the required distance.
Specification

Distortion:

80db DC 5V 1.5A 6-8 hours

6-8 hours 3-4 hours

Features:
1.SHIDU patented appearance; 2.Stylish, ergonomic and comfortable design; 3.10W power output; 4.Support TF card and USB flash drive music playback; 5.Support Bluetooth 5.0; 6.Support Recording.

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1.Power switch and volume control: Rotate the knob switch in the clockwise direction to turn on the speaker,the blue indicator will turn on.Rotate the knob switch in the clockwise direction continuously to increase the volume, rotate it in counterclockwise direction to decrease the volume till the speaker is turned off.

2.Mode: Short press the”M”button to select the following modes:TF card mode ,USB flash drive mode, Bluetooth mode. When playing music on TF card/USB flash drive, long press it for 3 seconds to switch to single song repeat,long press it again to switch back to all repeat. 3.Previous: Short press to play previous song; long press to fast rewind. 4.Play / pause: Short press it to pause, and press again to play the music. 5.Next: Short press to play next song; long press to fast forward 6.Recording: A.Plug in the wired microphone to the”MIC”port, insert an USB flash drive or TF card, short press” “to start recording,short press” “again to stop recording, it will save and play the present recording files automatically. B.Play recording :Insert an USB flash drive or TF card with recording files ,long press” “to play recording .It will play the last recording by default ,short press” “or” ” to select the recordings. Note:in recording mode,the wired microphone must be plugged in for proper recording. 7.MP3 mode indicator 8.Microphone Jack: Insert the wired microphone into this socket to amplify voice. 9.USB port: Insert the USB flash drive to play audio, the maximum capacity is 32GB. 10.TF card slot: Insert the TF card to play audio, the maximum capacity is 32GB.

11.DC 5V charging port : Please charge through Type-C charging cable with DC 5V output adaptor. The red indicator light will keeps on when charging,and it will go out after fully charged. Unplug the charger as soon as it is fully charged.( the charging time is about 3~4 hours ) Warningdo not connect the laptop’s USB port to charge the speaker.
Bluetooth Function: 1.While powered on, short press”M”button to switch to Bluetooth mode. A voice will prompt”Bluetooth is waiting for connection”indicating that the speaker is in Bluetooth pairing mode . 2.Turn on your device’s Bluetooth function,then search for “M300″and select it to pair. Bluetooth pairing is completed with a voice prompt”Bluetooth is connected”. When playing music, please keep the speaker close to the device to maintain a stable connection.

2.4G Wireless microphone instruction: 1.Power on/off: Turn the power switch to the “ON” position to turn it on, turn the power switch to the “OFF” position to turn it off. 2.Auto pairing: Turn on the speaker first,then turn on the 2.4G wireless microphone.When the blue light on the microphone stops flashing, it means pairing is successful. 3.Volume control:if speaker howling or in a small volume, adjust the volume by pressing”+”or”-“on the wireless microphone.
Microphone charging: When the blue light of the microphone flashes rapidly, it means low battery. Please charge through Type-C charging cable with DC 5V output adapter. The red indicator light will keep on when charging; and it will go out after fully charged. Unplug the charger as soon as it is fully charged.

Notes: 1.The normal charge time is 2~4 hours,unplug the charger as soon as it is fully charged. 2.Fully charge before first use of the microphone to ensure best results. . 3.Turn off the 2.4G wireless microphone when not in use. 4.Warningdo not connect the laptop’s USB port to charge the microphone.
Trouble shooting: 1. Turn on the power switch, but the amplifier has no sound. A. The blue indicator light is off: it means low power and you should charge the amplifier. B. Turn up the volume on both the voice amplifier and the microphone. 2. Talk to the wireless microphone, but the amplifier has no sound.(for wireless version only) A. Please confirm both voice amplifier and microphone are powered on. B. Confirm the wireless microphone has been paired with the amplifier successfully . Please pair the UHF manually again if necessary. 3. The voice amplifier has distinct howling. A. Make sure the microphone is not close to the amplifier; B. You may need to turn down the volume properly to avoid howling.

FCC Warnning:
This equipment has been tested and found to comply with the limits for a Class B digital device,pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection againstharmful interference in a residential installation. This equipment generates,uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. · Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:(1)This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

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