
A2 Loudspeaker Microphone
Introduction to Functions
Audio output / Headphone port
USB charging / Recording port
4 major karaoke scenarios
Descriptions of Digital Display
Product Accessories Basic parameters
Songs sound lively and resonant;
Improve details of human voice
and actively increase acoustic fidelity
to restore real audio effects while
bringing people better auditory
Bright and transparent tone, more
clearly vocal, filtered out noises,
greatly enhanced authentic sound
An auto-regulation function is available
to professional enthusiasts of ballad,
accompaniment and human voice.
The low, medium and high-pitch sound
is more resonant. Producing vigorous
and natural sound, this product performs
better in karaoke singing under this mode.
With a function for making sound
reverberant and vigorous, the KTV
produces surround and stereo sound.
The songs sound stereo, surrounding
the ears. The best audio-visual effects
are automatically matched for the songs.
Auto tune Baby sound Monster sound
Arrow Keys (The arrow keys correspond to 4 major karaoke scenarios,
which are available by pressing one key)
Power Indicator – full battery: blue; medium battery: (purple); low battery:
red twinkling light. The lower the voltage, the faster the red light twinkles
until the microphone is powered off.
Charge Indicator – The battery icon will flicker at the time of charging.
Model Indicator: To choose the mode to be highlighted.
Restore Factory Settings: Long pressing on the Pair and Mute keys restore
factory settings. After all lights flicker once, the parameters will be restored
to the default values. Then, the Bluetooth will be disconnected.
Bluetooth Indicator: The light will be kept on after connection with a
cellphone. It will be off in case of Bluetooth connection.
Mute Indicator: The light will be on when the speaker is mute. The light will
be off when the mute mode is turned off.
Echo +/- : The displayed value will change when the volume is regulated
up and down. The minimum value is 0, and the maximum value is 9.
VOL +/- : The displayed value will change when the volume is regulated
up and down. The minimum value is 0, and the maximum value is 9.
VOL +/- (This key controls volume of human voice)
Mute (By short on this key, the speaker will be on/off.)pressing powered
Long pressing on the Duet and Mute keys will restore the factory settings.
All lights will twinkle once. Then, all parameters will be restored to the
default values. The Bluetooth will be disconnected.
M (The sound will be switched by pressing this key for a short while: By
short pressing on this key in succession, baby sound, monster sound and
Auto agai y.tune will be available respectivel By short pressing n, the
microphone will exit from the mode of sound switching.)
Duet (Keep pressing this key to enable the duets function. It can be
connected to the nearby MEINIAO A2 loudspeaker microphone for
chorusing with double microphones)
Echo +/-(This key controls volume of the reverberant sound. The amplitude
of pitch change is adjusted under the mode of sound switching)
Charmbird, with reliable quality · creates melodic music
Before using this product, please read this
Charging cable Recording cable
A2 Loudspeaker Microphone
Product and Accessory Descriptions
MEINIAO A2 loudspeaker microphone
-52dB (0dB=1V/pa at 1KHz)
125dB(at 1kHz 0dB THD<1%)
dsp chip for efficient digital processing
RISC dual-mode Bluetooth V5.0
POP, Ballad, KTV, Professional
Auto tune , Baby sound, Monster sound
Common Failures and Solutions
The microphone has entered
Exit from the listening mode.
Disconnect the microphone from
the cellphone or restore factory
settings of the microphone.
The cellphone is too far away
there are too many records
Bluetooth connection, and
put the cellphone near the
of source document is low.
Regulate cellphone volume
and download a high-volume
Replace the charger to ensure
Don’t put the microphone in fire to avoid explosion.
Don’t place the microphone together with conductors
to prevent potential short circuits in batteries or fire!
This equipment has been tested and found to comply with the limits for a
Class B digital device, topursuant part 15 of . These limits are the FCC Rules
designed to provide reasonable protection t iagains harmful nterference in
a residential installation. This equipment generates, uses and can radiate radio
frequen energy ancy d, t d if no installe and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which ca dn be eter n, mined by turning the and oequipment off the user is
encouraged to try to correct the interference by one or more of the following
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 to this modifications device notexplicitly 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
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.
The device has been evaluated to meet general RF exposure requirement.
The device can be usedin portable exposure condition without restriction.