LY International Electronics PB-9306 User manual

PA system Digital Mixer Amplifier
Public Address System
Digital Mixer Amplifier
PB-9306
PB-9312
PB9312 Mixer Amplifier
SIG CLIP PRO
0 10
MIC1 MIC2/AUX1
0 10
AUX2
0 10
BASS
-10 +10
TREBLE
-10 +10
MASTER
0 10 ON OFF
USB M
PRIORITY
Operation Instructions
Welcome to use our public address system. For the better use of this product, please read this instruction carefully
prior to use.
L International lectronics Co., Ltd
http://www.lyintlcorp.com

PA system Digital Mixer Amplifier
PB9306/PB9312 V0.1
Facture 2017-03-09
About this User Manual
This User Manual is available and effective upon completion of development of the mixer
amplifier P
B9306/PB 9312. The User Manual includes system description, matters needing
attentions in use, instructions on system connection, instructions on use of product and
technical specifications of the network address center. Please read this User Manual
carefully before connection, installation and use and operate in accordance with
corresponding instructions in the Manual.
This symbol on the rear panel indicates matters needing attentions, please use or operate the
product in accordance with corresponding instructions.
Please keep this User Manual in good custody for future use.

PA system Digital Mixer Amplifier
Content
1. PRODUCT DESCRIPTION ................................................................................................ !
1.1 FEATURES .................................................................................................................................................. 1
2. APPEARANCE DESCRIPTION ........................................................................................................................ 1
2.1 Front panel .................................................................................................................................................... 1
2.2 rear panel ...................................................................................................................................................... 3
2.3 SIDE PANEL........................................................................................................................................... -4 -
3. WORKING MODE .............................................................................................................................................. 4
3.1Bluetooth mode ............................................................................................................. !
3.2 USBmode ..................................................................................................................... !
3.3 Line mode ..................................................................................................................... !
4. REMOTE CONTROL INSTRUCTIONS .......................................................................................................... 5
PACKING LIST .................................................................................................................................................... -7-
PERFORMANCE ................................................................................................................................................. -7-

PA system Digital Mixer Amplifier
1
1. Product Description
1.1 Features
With Bluetooth & MP3 &Line mode
Wireless Bluetooth playing function
With Signal level indicator (SIG), Clip Indicator (CLIP), and Protection indicator(PRO)
Built-in 100V RMS priority input and EMC input
Two MIC inputs, one with phantom input and one with priority input.
Three-way line input, one way is for connecting lotus socket interface, one way for connecting the XLR
interface, one way for connecting 2P terminal interface;
Two way output: one is 100V output , another AUX output.
There are three levels of priority. PRIORITY IN is the first level; PRIORITY MIC1 is
the second level; others are the third level.
Protection from short-circuit, overload and high temp and temperature-controlling fan.
There is master volume control; Microphone can line can be controlled separately; treble and bass control .
Remote control
24V mode of power supply.When 24V power supply is connected, when AC powers off, the equipment will
switch to 24V mode of power supply.
2. Appearance Description
2.1 Front panel
PB9312 Mixer Amplifier
SIG CLIP PRO
0 10
MIC1 MIC2/AUX1
0 10
AUX2
0 10
BASS
-10 +10
TREBLE
-10 +10
MASTER
0 10 ON OFF
USB M
PRIORITY
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17

PA system Digital Mixer Amplifier
2
1. Mic 1 second level priority input
2. MIC1 volume adjustment
Adjust the volume of MIC1, turn clockwise to turn up, turn counter clockwise to turn down.
3. MIC2/AUX1 volume adjustment
Adjust the volume of MIC2/AUX1, turn clockwise to turn up, turn counter clockwise to turn down.
4. AUX2 volume adjustment
Adjust the volume of AUX2, turn clockwise to turn up, turn counter clockwise to turn down.
5. Bass volume adjustment
The central position as the benchmark, turn counter clockwise to turn down the bass, turn clockwise to turn
up the bass
6. Treble volume adjustment
The central position as the benchmark, turn counter clockwise to turn down the treble, turn clockwise to turn
up the treble
7. Master volume adjustment
Adjust the level of all signals (except EMC), turn clockwise to turn up the volume, turn counter clockwise to
turn down the volume.
8. Power switch
9. Signal level indicator SIG
10. Clip Indicator CLIP
11. Protection indicator PRO
12. Digital display
It is for displaying the mode.
13. USB interface
Insert flash drive here and provide music for MP3.
14. Mode switcher
Bluetooth mode (BLUE), U-disk MP3 mode, line input mode (LINE) mode can be switched
15. Play/Pause
In mode of MP3 or Bluetooth playing, press it and it will pause. In mode of on-line input, press it and it will
mute.
16. Last song

PA system Digital Mixer Amplifier
3
In U- and long press this key to turn
down the volume
17. Next song
In U- and long press this key to turn
down the volume
2.2 Rear panel
1. AC220V Power input socket
The interface is to supply the working power. Insert the plug onto the machine, then connect the power grid.
2. Cooling fan window
3. Speaker output interface
4. LINE1 /MIC2 IN balanced input interface
It can connect with microphone or other external audio
5. LINE1/PP/MIC2 switcher
LINE1/PP/MIC2 audio selection switcher, it can choose AUX1 or MIC2 or phantom power for MIC2 (PP
switch) by sliding to right or left. (Note: when PP is on, only phantom power drived mircrophone can be
connected. Please don t connect any other signal source)
6. Input port for the line with the highest level of priority out of two lines
7. Volume adjustment for the line with the highest level of priority
8. AUX2 input interface
9. 1VRMS AUX output

PA system Digital Mixer Amplifier
4
10. DC24V input interface
3. Working mode
With 3 mode:USB mode, Bluetooth mode, Line mode
3.1Bluetooth mode
the user can play
music on the mobile phone. It has excellent wireless transmission function,.
3.2 USB mode
When the USB is inserted, it will switch to USB mode automatically (plug and play). The equipment will
play MP3 music in the flash drive.
3.3 Line mode
The system
The system default line mode and digital displays AUX without falsh drive or Bluetooth connection.

PA system Digital Mixer Amplifier
5
4. Remote control instructions
Function key description
Mode main function key working mode switch.
Power switch
Play & Pause/ Search the audio aromatically when in FM)
EQ sound effect
0-9 song selection key can be composed of digital channel selection when in FM
Mute key
Last song/ Last audio when in FM
Next song/ Next audio when in FM
Vol -
Vol +
Single repeat
Record key

PA system Digital Mixer Amplifier
6
Safety Precautions
1. Safety Precautions
Please do NOT connect this device to the power source, before the system is correctly wired.
It is important to ensure that input voltage to the device is the same as required voltage of the device;
otherwise the device may be damaged.
There is dangerous voltage in the device, which may cause personal electric shock. Please do NOT open
the case without permission, to avoid potential risks of electric shock.
The device is not completely disconnected from power source when it is switched "OFF". For sake of
safety, please disconnect the device from the socket if it is not in use.
Please do NOT place the device where it is extremely cold or hot.
Good ventilation must be provided in the working environment of the device, to avoid excessive
temperature during its operation, which may cause damages to the device.
Please unplug the device from power socket in raining and wet days or if the device is not in use for a
long time.
Please disconnect the power plug from sockets, to ensure the device has been completely disconnected
from power source, before any component is removed from or re-installed in the device or before any
electric connector of the device is disconnected or reconnected.
In case of any failure of the device, please do NOT open the case and repair without permission from a
professional personnel, to avoid accident or additional damages to the device.
Please do NOT place any corrosive chemicals near or on the device.
2 Matters needing attention
Our company provides a three-year free warranty service (including free replacement parts) over quality
issues as from the date of purchase, provided that the device is installed and used in accordance with
requirements specified in the User Manual.
For warranty, the user must show the Warranty Card and the receipt kept by the user and purchase
invoice of the device as supporting documents.
The following conditions are beyond the scope of warranty:
1 Product damage due to improper installation, use or handling;
2 Product damage due to abnormal conditions (such as excessive power source voltage or
ambient humidity);
3 Product damage due to acts of God;
4 Product SN is changed, altered or removed;
5 Product has been repaired or modified by any person without duly authorization from our
company;
Please keep the User Manual and Warranty Card in good custody.
For issues and precautions not mentioned in this User Manual, if required, please contact the distributor
or visit our website.
In case of any failure in the warranty period, please contact service personnel (or distributor) of our
company for service. The company shall not be made liable for damages due to unauthorized
dis-assembly or maintenance or service by unauthorized personnel.

PA system Digital Mixer Amplifier
7
Packing list
No. List Quantity
1 PB9312D or PB9306D 1
2 Manual 1
3 Guarantee card 1
4 Certificate 1
5 1.8 mter power wire 1
6 Remote control 1
7 2P plug 5
8 1500MM two cat audio wire 1

PA system Digital Mixer Amplifier
8
Specification
Model PB9312D PB9306D
Rated Power
120W
it with constant pressure
speakers whose rated power
is higher than 120W)
60W
constant pressure speakers whose rated
power is higher than 60W)
Speaker Output 100V
Sensibilit
y
MIC 1 Input
Sensitivity 0.005(±0.001) VRMS
MIC 2 Input
Sensitivity 0.006(±0.001) VRMS
LINE1 IN,LINE2
IN,
PRIORITY IN
0.3 ±0.02)VRMS
PRIORITY IN-100V
100 VRMS
SNR
100 VRMS of the volume)
LINE2 IN,INPUT
PRIORITY b Maximum of the volume
Frequency Response 80Hz-15kHz ±3dB
Distortion 0.5% (in normal 1K situation)
Voltage Operating Range AC180-250V AC180-250V,DC24V
Pitch Bass ±10dB 100Hz
Treble ±10dB 100Hz
Equipment Size W×H×L 200×190×44mm
Net Weight 1.5kg
Gross Weight 2kg
Technical specifications are subject to change without prior notice.

PA system Digital Mixer Amplifier
9
Ly International Electronics Co., Ltd.
Caution
The device is not completely disconnected from power source when it is switched "OFF". For sake of safety,
please disconnect the device from the socket if it is not in use.
Please keep this device off water drops or splash or vase filled with water or any other articles of similar
nature.
Please do NOT remove the cover of the equipment; otherwise you may get an electric shock. Where
necessary, repair to the equipment should be conducted by qualified professionals.
All terminals on the device marked with are live and dangerous, and should be connected by trained
personnel.
This is connected to power source via the plug and any failure or danger occurs, the user can disconnect the
device from power source by pulling out the plug out from the socket, therefore, it is required that the power
socket should be located somewhere with easy access.