Operation Guide

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In order to better help you understand the functions and features of this product,
please read this manual carefully before installation and operation.
Note：
Accessories in the package:
* Channel section of the top panel (inputs: 1 to 2):
1. MIC / LINE}Mono input jack (channel 1-2)：
Used to connect microphones, musical instruments or audio equipment (CD players, etc.),
supports XLR and phone (TRS) plugs.
2. {PHANTOM+48V}Switch (channel 1-2)
When the switch is turned on, the LED lights up, indicating that the device {MIC/LINE} mono input
ports 1 and 2 can be used for DC-48V phantom power supply.If you do not need phantom power
supply, be sure to set this switch to off. To prevent noise and damage to external equipment, please
follow observe the following:
·When the microphone or other equipment connected on channel 1-2 does not require phantom
power supply, make sure that the switch is turned off.
·When the phantom switch is turned on, please do not connect/disconnect the cable on 1-2.
·Before operating this switch, please set the {LEVEL} and knobs of channel 1-2 to the minimum.
3. {HPF}(High-pass filter) switch:
After the high-pass filter switch is turned on, it attenuates frequencies below 80 Hz. When speaking
into the microphone, you may need to turn on this switch to The sound of movement and breath was
reduced to a minimum.
{
：
4 PHANTOM+48V}LED Indicator light (channel 1-2).
The LED light is on, indicating that the mono input ports 1 and 2 of the device {MIC/LINE} can be
used for DC-48V phantom power supply.
5. {MIC}3V Condenser microphone jack
6. {GAIN}Knob:
Determine the basic volume of each channel of channel 1-2. When singing and playing at the
maximum volume, the corresponding {PEAK} LED will flash briefly.
7、8.High pass filter knob:
Use the {HIGH} (high frequency band) and {LOW} (low frequency band) knobs to adjust the sound
quality. If you don't need to adjust the sound quality, you can set the knob mark to the (vertical) position.
8. {FX ON}/TOP PC REC: switch
{FX ON}/TOP PC REC: Used to select the FX output from each channel, the PC recording output,
and the 3.5MM jack to send the output signal. When this button is pressed, all outputs are added to
FX, and in PC mode, you can select the PC to record the program signal currently heard, (1-4
channels are valid). When the button pops up, the whole machine output has no effect added and
PC recording is not possible.
9. {PEAK}LED:
When the volume of the input signal/the volume controlled by the equalizer is too high, this light will
light up. If it flashes frequently, please turn the {GAIN}knob 5 to the left to lower the volume.
11. {LEVEL}Knob:
Used to adjust the volume balance between each channel, usually this switch is set to the
"three o'clock" position.
12. {MAIN LEVEL}Knob:
Control the total volume output from {MAIN OUT}.
13. {MAIN /PH}Knob:
Control the volume output from the {MAIN PH3.5} .
14. 3.5MM{PH}Output jack:
Used to connect headphones. Support stereo PH type plug.
15. {FX MUTE}Switch:
When this switch is turned on, all effects are interrupted, the effect processing sound is removed,
and effects cannot be changed and operated. After turning off this switch, the effect state before
the interruption can be restored.
16. Four-pole connector input/output:
It can output signals to mobile phones or other audio equipment with the same function, which can
be used for mobile phone live broadcast and return with microphone. Please choose a low-noise
four-pole audio cable.
17. Channel 1-2{MIC/LINE}FX volume knob:
Adjust the effect volume of the microphone/audio device.
18. Power indicator:
Connect the power supply according to the specification, the indicator light is on, and the
equipment power supply is normal.
19. MAIN signal light:
If the signal light is always on, it indicates that the signal is stable.
20. MAIN Volume level peak indicator:
When the input volume is too high, this light turns on; if it lights up frequently, adjust the
{GAIN} knob (5) to the left, or adjust the channel volume (10) and main output volume (11) to the
left to decrease volume.
21. Auxiliary input control (USB, PC, BT,), PC recording, USB recording volume:
22. {PROGRAM} 24 kinds of effect selection buttons:
Use the buttons "UP" and "DOWN" to select one of 24 effects. When the number in the display
stops flashing, it means that the effect has been Selected.
Note: Keep pressing "UP"/"DOWN", you can select an effect by referring to the effect list on the body.
. {
·The illustrations in this manual are for explanatory purposes only.
When the device is in normal working condition for a long time, the temperature of the body may
rise to 15-20°C. But if the external environment temperature exceeds 30°C, the power output
The temperature of the plastic casing at the inlet may exceed 50°C. Please handle it carefully
to avoid burns.
· ·Dc power adapter 1 PC data cable 1 × ×
Operation guide:
23. Auxiliary selection of USB, PC, BT, LINE PC recording, USB recording input:
The first key on the right is the mode selection key. Press this key to select different signal input sources
one by one. The signal source can only be selected from all input devices.one of.
Note: When there is no U disk and no PC connection, you can only switch to BT/LINE mode; the signals of
PC and U disk cannot be loaded at the same time.
1) USB mode: After disconnecting the PC, you can insert the U disk and use this mode. When the USB mode
is selected to read the data in the USB, the display screen can simultaneously display the current status.
Press the second button on the right to play the next song, and the third button on the right to skip to the
previous song. The fourth button on the right is to pause/continue playing.
2) BT mode: When connecting to other devices to play in Bluetooth mode, insert a USB device, you can
enable U disk recording by long pressing the fourth button on the right, and long pressing again to end
USB recording.
3) PC mode: Before using the PC mode, please remove the U disk to avoid device errors. After connecting
to the PC, switch to the PC mode, and you can use PC recording software to record/live broadcast.
4) LINE mode: In this mode, it is the local operation of the traditional mixer, and all digital signal sources
are disabled.24. Multifunctional LED display: synchronously display the current operating status (USB,
PC, BT, FX, FX LEVE, USB LEVE, BT LEVE).
24. Multifunctional LED display:
Simultaneously display the current operating status (USB, PC, BT, LINE/G1, G2, PC, USB)
25. PC, USB input signal selection switch:
press the PC \USB key, the PC signal is disconnected, the device will read the relevant files in the USB,
and the device will reconnect to the PC after it is ejected. The PC needs to check whether this button is
used for real-time recording In the pop-up state. PC recording cannot be realized by pressing it.
26. The USB port on this device can update the application program of the device/read the audio files
in the USB flash drive by inserting the USB flash drive. Use 24 to switch.
27. MAIN OUTPUT is the main output signal port.
28. REC is the recording port: you can connect traditional external recording equipment through the
REC port, (12) {MAIN LEVEL} knob can adjust the level here.
29. REC stereo signal input jack.30. 1/4 (6.35MM) stereo signal input jack.
30. 1/4 (6.35MM) stereo signal input jack.
31. 3.5MM audio connector input terminal, which can be connected to the audio input of mobile
phones or the audio input of MP3, MP4 and other players, through a four-pole cable
1(top)2(ring) is used as stereo (L, R) input, and the high and low bass adjustment of this input is not
available.
1. {DC 5V IN} DC power input interface:
The spare power adapter attached to this device is connected to a power cord of the same specification to
input power through this interface.
In order to facilitate the use of the device in different environments, we have configured two power input methods:
1) When you need to use a PC to play/record, use the standard adapter to connect to the 110V/220V power
supply, and you need to select the power cord to plug into the DC power interface. Or the user can use a large-
capacity power bank to power the device, and also use the power cord to connect to this interface (do not use
inferior connection wires).
Note: This machine needs to be in the 5V/ 2.5A power supply state to work normally at full load. It is
forbidden to connect and use this machine when the parameters of the adapter cannot be determined, so as
not to damage the equipment.
2) If you can only choose PC USB power supply, in order to reflect the high-quality recording effect of the
device, it is recommended that you choose a PC device with a high configuration. Under this power supply
state, it is suitable for single-person recording or music appreciation, and it is not recommended to use it
under multi-channel/mad music combination.
2. PC USB/DC 5V power supply switch:
Press the switch knob, the device is in the DC 5V state to supply power; pop out the switch, you can use the
PC USB to supply power.
3. {USB 2.0} interface:
Use the PC cable provided with this machine to connect this interface to the USB interface of the PC, obtain
power through the USB port of the PC, or connect to the standard adapter for use.
Please connect the power supply correctly according
to the instructions of this equipment manual to avoid
Fire or electric shock caused by improper connection
operation.
Please avoid direct sunlight, rain or water droplets
into the body of the device.
Be sure not to place containers with liquids or small
metal objects on the machine Body, prevent liquid or
small metal objects from falling into the body, creating
Damage to the body or electric shock.
When the device is not used for a long time, please
unplug the power supply.
Do not disassemble or modify this machine by yourself,
otherwise you will lose the right to warrantyProfit.
Avoid placing heavy objects on the device or power cord.
Do not scratch, bend, twist, stretch or heat the power
cord, avoid Damage to the power cord may cause fire or
electric shock.
Please do not open the cover of this device without
authorization.For maintenance or repair, please contact
the agent dealer.
If the power cord is damaged (such as cut or exposed
core), please contact the agent Purchase/replacement
from the dealer.
Do not modify the device without authorization
to avoid damage to the equipment.
Please avoid using this device in the following situations:
- Exposure to splashes of oil and steam, such as near
kitchen stoves, humidifiers, etc.
If you move the device, please unplug the power
plug from the AC power outlet first Head and remove
all phase connecting cables.
Please use this equipment in a well-ventilated
environment.
If you do not use the device for a long time, please
disconnect the power plug from AC power The
socket is unplugged.
- Unstable surfaces, such as wobbly table tops or slopes.
-
closed windows or a place exposed to direct sunlight.
Exposure to excessive heat, such as in a car with
- Exposure to humid or dusty places.
Do not place the power cord near the heater to avoid
melting of the wire, Causes fire/electric shock.
When unplugging the power plug from the AC
power outlet, please grasp the plug part, Do not pull
the cable directly.
Do not touch the power plug with wet hands.
If the device is dropped from a high place or the casing
is damaged, please turn off the power immediately
Switch, unplug the power plug from the AC power socket,
and contact the agent Reseller contact.
When you find any abnormalities, such as smoke, peculiar
smell, noise, etc., please immediately Turn off the power
switch momentarily, and unplug the power plug.
In the event of lightning and lightning, please
turn off the power switch of this device as soon
as possible.And unplug the power plug from the
power socket.
This device can only be used with the AC power
adapter of the attached host.If matched with other
types of adapters, leakage or power supply may occur
Bad situation.
Input and output port connection part
Na4 Mixer parameters (Combination of analog mixer and digital sound card):
Frequency response
THD+N
S/N(20Hz-20kHz)
Crosstalk（1kHz)*2
Input channel
Output channel
Bus bar
Input channel function
LED indication
Input and output level
USB audio
Effect category
Phantom power supply voltage
Voltage adapter
+0
.
5dB
/-
2
.
0dB
(
20Hz
-
20kHz
),
Reference rated output level
@
1kHz
,
GAIN Knob
：
mid
0.05%@ +10dBu(20Hz-20kHz), GAIN Knob：mid
- 82dBu
- 80dB
MIC*2、2REC、PC、2LINE、USB、BT、3.5MINI
STEREO OUT
:
2
,
3
.
5MINI MAIN PH OUT
:,
MINI
LOOP
BACK OUTPUT
；
2
.
REC
STEREO：1
HPF
(
Mono
)
80Hz
,
12dB
/
Octave
（
CH3
,
4
）
EQ
HIGH
Gain
：+
15dB
/-
15dB Frequency
：
10kHz
Slope
；
EQ LOW
Gain
：+
15dB
/-
15dB
.
Frequency
：
100Hz
Slope
；
PEAK LED lights
up when the signal after EQ reaches 3dB below the distortion
MAIN STEREO LEVEL Knob，When the MAIN LEVEL signal reaches
-10dB When the green light is on when the distortion is 3dB below the
distortion, the red light is on
MIC(- 60dB) LINE OUTPUT(- 40dB) MAX OUT(+12dB)
2IN /2OUT USB Audio 2.0 compatible
Independently adjust the volume effect; digital effect processing
Support large-diaphragm condenser microphone
DC 5V/2.0A
24DSP
Reverberation
1. Simulate reverberation in small spaces such as concert halls
2. Simulate the reverberation of the acoustic environment of a small space (auditorium)
3. Simulate the reverberation of large spaces such as theaters
4. Echo of the Valley
Electronic synthesis sound
5. Electronic Mix
6. Electronic mixing
7. Electronic mixing
8. Electronic mixing
9. Electronic Mix
10. Electronic mixing
11. Electronic Mix
12. Electronic mixing
13. Electronic mixing
14. Electronic Mix
15. Electronic Mix
16. Electronic Mix
17. Electronic Mix
Synthetic sound effects
18. Female Voice
19. Uncle Tone Flanger
20. Children's Voice
21. Childish Echo
22. Magic sound (male)
23. Magic Sound Echo (Male)
24. Original Tone
A flat major
A major
B flat major
B major
C major
D flat major
D major
E flat major
E major
F major
G flat major
G major
Chromatic scale
Mixer Manual
Please keep the manual properly for future reference
Due to the continuous improvement of the product, the technical parameters
in this manual are subject to change without notice!
Data line
power cable
5
4
3
21
1
2
3
6
48V MIC
3VMIC
Electric box guitar
Synthesizer
CD player
Monitor power amplifier
headphones
USBjack
Bluetooth
Use in live
broadcast
BT
Music or accompaniment input
2
5
3
4
6
7
8
9
10
11
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16
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19
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1
Instructions for safe operation
WARNING
NOTE
Installation
Installation
operation
operation
When the abnormal operation occurs during