BFAudio K-306N User manual

USER’S GUIDE
USER’S GUIDE
Karaoke Professional Digital Audio Processor
BFAu dio Pro
57H z 134 Hz 400 Hz 1KH z 2.5K Hz 6. 3KH z 16K Hz VOL REP D LY
57H z 134 Hz 400 Hz 1KH z 2.5K Hz 6. 3KH z 10K Hz VOL TIM E DLY
ECH O A
ECH O B/REV ERB
MUS IC EQ
MIC E Q
DI GI TAL M ICR OP HO NE P RO CE SS OR
EF F
MIC
MUSIC
FBX
EXC ITE R USB
K-3 0 6N A UDI O & KT V H OM E PRO
Mad e in Taiwa n

1
Thank you for purchasing the products of the company!
Please read this instruction manual thoroughly before using the machine, so that
you can know how to use the device correctly. After you finish reading this manual,
please keep it in a safe place for future use.
In some countries, the shape of the power plug and socket may differ from the
shape of the system, but it is the same as the connection and operation of this
device.
Please pay attention to the user: This machine is an electrical product, non-
professional main tenance technicians, can not open the machine without
authorization, so as to avoid the danger of electric shock!
To make the unit work properly, do not block the heat dissipation holes on the
front and rear of the mechine.
If there is a problem, please contact your dealer or manufactuer.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
NON-professionals cannot open the cover
WARNING
To reduce the risk of fire or electric shock
Do not expose this equipent to rain or moisture
It is recommended not to use the machine for a long time. If you leave home or
have lightning, please unplug the power of the machine to avoid accidents.
NOTE

Product Introduction
2
1：This product uses 24-bit high-performance DSP and AD/DA conversion processing, with
the characteristics of wide frequency band, large dynamic, and 48Hz sampling frequency of
professional digital karaoke processor.
2：It has the high quality specialized singing effect, complete audio processing function and
full digital parameter balance. Front panel can be controlled and adjusted, LCD display
intuitive, faster and more convenient operation.
3：Using 100% patch technology, the effect is more stable.
4：With built-in feedback suppression function and professional anti-noise technology,
human voices are undistorted and sound pressure is high.
5：VOD song ordering system has the input port, and equipped with wireless infrared remote
control.
6：With USB computer real-time connection control, interface operation is more simple and
intuitive.
7：This product is suitable for high-end nightclubs, KTV, HI room, slow rocking bar room,
KTV, private clubs and multi-functional high-end entertainment places.

4
5
3
1
2
6
15
Fr ont panel diagr am
Infrared terminal receiver Remote control port
LCD(Liquid Crystal Display)
Effect mode key Switch the effect mode, long press it to set the
maximum volume
Microphone mode key Switch the microphone mode, long press it to set the
boot volume
Music mode key Switch to music mode, long press it to set boot mode
Feedback suppressor switch Turn on or off feedback suppressor switch, long
press it to restore factory Settings
Actuated switch Turn on or off the Actuated switch, long press it to
switch the sound source input: BGM/AUX/SPD/BLUE
,
1
3
4
2
5
6
78
10
11 12 13
15
7Music Volume Equalizer Music parameters adjustment
8ECHO A
VOL
REP
DEL
EchoA parameters adjustment
Echo volume adjustment
Echo Repeat
Echo predelay
9Microphone parameters adjustment
10 ECHO B/REV
VOL
TIME
DLY
Echo B and Reverberation parameters adjustment
Reverberation volume adjustment
Reverberation time
Reverberation predelay
11 EFFECT Volume The effect volume and sub-menu adjustment
12 MIC Volume Microphone volume adjustment
13 MUSIC Volume Music volume adjustment
14 USB port Access to computer
3
Mic Volume Equalizer
BFAu dio Pr o
57H z 1 34 Hz 4 00H z 1KH z 2 .5K Hz 6. 3K Hz 1 6KH z V OL R EP DLY
57H z 1 34 Hz 4 00H z 1KH z 2 .5K Hz 6. 3K Hz 1 0K Hz V OL T IME DLY
ECH O A
ECH O B/REV ERB
MUS IC EQ
MIC E Q
DI GI TAL M IC RO PH ON E PR OC ES SO R
E F F
MIC
MUSIC
FBX
EXC ITE R USB
K-30 6N A U DI O & K TV H O ME P RO
Mad e in Taiwa n
14
9

Ba ck panel diagra m
1 2 345 6 78 9 12 13
10 11
5(1) 6(1)
4
Music signal input port
Right channel balanced output
MIC1Input
Sound source input BGM
MIC1 balanced input jack
2
4
7
1
3
5
6
8
9
10
11
12
Power switch
Power input port
13
ML/MR Main channel left and right output
CEN/SUB
MIC1 Volume adjustment
5(1)
6(1)
Music signal input port Sound source input AUX
Center channel and SUB channel output
MIC2 Input MIC2 balanced input jack
MIC2 Volume adjustment
Left channel balanced output
Center channel balanced output
SUB channel balanced output
Optical fiber input port
K-306 N HOME PRO

5
02 MUSIC EQ /GEQ01:-12dB--+12dB
04 Music equilibrium adjustment: PEQ EQ 1 -- EQ 7
05 Music modulation, ascending modulation, primary modulation,
descending modulation
06 Music output limiting : OFF-2V
Press the MUSIC mode button, then turn the page left or right to select the parameters to
be adjusted, and rotate the EFF button to adjust the parameters.
01 Microphone equalization adjustment : PEQ EQ 1 -- EQ 7
03 MIC F E ED BACK ：FB1、FB2、FB3
Press the MIC mode button, then turn the page left or right to select the parameters to
be adjusted, and rotate the EFF button to adjust the parameters.
01 MUSIC EQ /QEQ01：0.3--15
03 MUSIC EQ /VEQ01：20Hz--20KHz
07 Music excitation, switch
1)Music part
2)Microphone part
02 MIC LOW CUT :20Hz -- 200Hz
04 MIC EQ /QEQ01：0.3--15
05 MIC EQ /GEQ01:-12dB--+12dB
06 MIC EQ /VEQ01：20Hz--20KHz

6
01：Echo and REVERB equalization adjustment PEQ EQ 1 -- E Q 3
02：EC H O HIGH CUT ：4K H z -- 18KHz
03：EC H O LOW CUT ：20H z -- 1001Hz
04：ECHO PRE DELAY ：0.0ms -- 20.0ms
05：ECHO TIME ：00ms -- 400ms
06：ECHO REPEAT :00% -- 100%
07：REVERB Mode: REVERB,EFFECT
08：REVERB DELAY TIME ：00ms -- 100ms
09：REVERB TIME ：0.0s - 10.0s
01：Center Sub equalization adjustment: PEQ EQ1- EQ3（Center EQ1-3，SUB EQ1-3）
02：MU S IC TO CEN ：00d B--80dB
03：MU S IC TO CEN Volume ：00dB--80dB
04：EF F ECT TO CEN ：Open/close
05：SUB H I GH CUT ：20Hz--400Hz
06：SUB L O W CUT ：20Hz--400Hz
07：SU B P HASER ：0°--1 8 0°
08 SUB VOL ：00dB--80dB
3)Effect part
Press the EFFECT mode button, then turn the page left or right to select the parameters to
be adjusted, and rotate the EFF button to adjust the parameters.
4)CENTER & SUB part
Press the MUSIC mode button, then turn the page left or right to select the parameters to
be adjusted, and rotate the EFF button to adjust the parameters.

7
01：SE T M IC START VO L ：0 dB - 80dB
02：SE T M IC MAX VOL ：0d B - 8 0dB
03：SE T M U SATRT VOL ：0 d B - 80dB
04：SE T M U MAX VO L ：0 dB - 80dB
05：SET EFF SATR T V OL ：0dB - 80d B
06：SET EFF MAX V O L ：0dB - 80dB
07：SET music mode/microphone mode/effect mode in boot mode
5)Setting part
Long press the MUS-C button on the panel to enter the start-up mode interface of setting
MUSIC/microphone/effect. Then press the corresponding music mode/microphone mode/
effect mode button to set the boot mode.
Long press the EXCITER button on the panel to enter the interface for changing audio
source input. In this interface, press the EXCITER button repeatedly to change audio source
input.
Long press the EFF-C button on the panel to enter the interface of setting the maximum
volume of music/microphone/effect, and then rotate the corresponding volume encoder to
set the maximum volume
Long press the MIC-C button on the panel to enter the interface of setting the maximum
volume of music/microphone/effect, and then rotate the corresponding volume encoder to
set the maximum volume
6)Restore factory Settings
Under the normal working state of the front-stage effector, long press FBX button, rotate the
effect volume encoder, and when the screen displays “y”, press FBX button again to restore
the factory Settings.When “n” is displayed on the screen, exit and restore the factory Settings.
7)Screen lock
Press LOCK+Music+EX on the remote control to lock the screen. Press LOCK+Music+EX to
unlock the screen.
Note: There is only effect volume, microphone volume and music volume can be adjusted
when locked.
8)Auxiliary functions (connecting software)
When the mouse and keyboard are inactive, the current effect parameters will be automatically
backed up to the software installation directory (DATA) folder.
Note: automatic backup can be set for 1-5 minutes. If it is not moved for a long time, DATA
backup will be overwritten until the last state.

8
Te chnical indic at ors
MUSIC Part
SNR
THD
Input Level
Frequency response
PEQ
775mVrms
20Hz--20KHz
＞80dB
1--7EQ
＜0.1
Input Level
Frequency response
THD
SNR
PEQ
MIC Part(mic1-3 input)
＞80dB(shoot-through ）
1--7EQ
20Hz--20KHz
＜0.1
Input Level
Frequency response
THD
SNR
PEQ
Input Level
Frequency response
SNR
USB interface
Power supply
Fuse
Power consumption
Center Part
SUB Part
AC200V---240V/50Hz
T1A/250VAC
10W
＜0.003
775mVrms
20Hz--20KHz
＞80dB
1-3EQ
775mVrms
20Hz--200Hz
＞80dB

Karaoke Professional Digital Audio Processor