PUZU PZ-C7 4ch Amplifier 6ch DSP Car Digital Signal Processor Owner’s Manual
- June 5, 2024
- PUZU
Table of Contents
PZ-C7
OWNER’S MANUAL&INSTALLATION MANUAL
DSP AMPLIFIER USER’S GUIDE
SCAN TO DOWNLOAD SOFTWARE
https://www.puzuaudio.com/DownLoad/56128.html
INTRODUCTION
Congratulations on your purchase of the PUZU PZ-C7 DSP amplifier. The high-
speed digital signal processor amplifier was designed in the united states
with sound quality that exceeds that of many conventional class D designs
while offering stunning efficiency.
When installed and configured properly this PZ-C7 DSP Amplifier will bring a
new level of realism and impact to your mobile entertainment system. To get
the best performance from your DSP amplifier PUZU recommends that you have
this amplifier installed and configured by an experienced professional.
ABOUT THE MANUAL AND WARRANTY
This manual describes the basic requirements to install the PUZU PZ-C7 DSP amplifier, the installation and configuration of this amplifier can be complex.if you do not possess the necessary knowledge, experience, and/or tools to perform this installation please contact your local authorized PUZU dealer to arrange for professional installation. Keep all instructions and your sales receipt for future reference and warranty purposes.
WARNING
PUZU products are capable of producing high sound pressure levels that can
damage your hearing and make it difficult for the driver to hear other cars or
emergency vehicles.PUZU wants you as a customer for life-please be responsible
at all times when enjoying your audio system.PUZU takes no responsibility for
any personal injury. Loss or damage associated with the use, or miss-use of
this product. Please refer to the included warranty statement for details.
1. IR remote controller receiver slot (Remote controller is optional)
2. ~ 5. RCA output (FL, FR, RL, RR)
6. USB PLAYER(Play USB music)
7. SUBWOOFER OUTPUT (L)
8. SUBWOOFER OUTPUT (R)
9. USB for connection of PC software (data cable connection)
10. MODE/BYPASS (This button for comparison and test, put it on the MODE
side, DSPintervention status, if put the button on the BYPASS side, then you
hear the sounds directly from the radio)
11. POWER CABLE HARNESS CONNECTOR
PIN Definition is as follows
12. HOST/ACC This button is DSP star way, please put it on the HOST (high
level) side as default, it means DSP starts with a DC signal, usually 6V from
the car radio. if you can not operate DSP by HOST please try ACC, this means
your car start by REM, some car with KEYLESS-GO use this way.
13. STATUS LIGHT (When you right connect the unit, the red light blinks as
default when you playing Bluetooth or USB, the light turns to be blue)
PRODUCT SIZE
PZ-C7 overcomes inherent acoustical anomalies within vehicles to develop a
well-balanced response and proper sound stage even from a factory head unit.
Customize your system with the 15-bands EQ and make precise adjustments to the
detailed high/low crossovers and expansive time correction for each of the 6
channels. Easily control PZ-C7 via an android smartphone connection or wired
connection to your PC, either way, you get fast, real-time results, The
versatile PZ-C7 can be used with a factory system or other aftermarket head
unit.
Diagram of the relationship between the input and output channels of the
PZ-C7
ABOUT CONNECTION & DIAGRAM BASIC CONNECTION
PUZU Car DSP Amplifier harness with 3 terminals, Connect 1 with your factory radio harness and connect 2 with your car radio. and connect terminal 3 to PUZU Car DSP Amplifier.
- DSP Amplifier uses the same power source as your car radio.
- You can use the PUZU DSP amplifier cable directly plug into your factory radio. if you changed your car radio to an aftermarket head unit, then you need an adaptor.
- PZ-C7 with 4 channels high-level input and 4 channels high-level output and 6 channels low level (RCA) output. with complete 6X15 bands, EQ separately control.
YOU CAN USE THE SOLUTION 2 AS FOLLOWS HIGH-LEVEL INPUT WITH LOW LEVEL(RCA) OUTPUT (NEED EXTRA AMPLIFIER)
Please connect the separate blue wire(control line) to your extra amplifier REM.
YOU CAN USE THE SOLUTION 3 AS FOLLOWS USE PZ-C7 TO UPGRADE YOUR 4 DOOR SPEAKERS+ACTIVE SUBWOOFER
Please connect the separate blue wire(control line) to your subwoofer amplifier REM
PUZO PZ-C7 SOFTWARE USERS GUIDE
Thank you for choosing PUZU for your Car Audio system and for sharing our
philosophy. PUZU PZ-C7 Car DSP Amplifier software with the best PUZU
technology in terms of digital signal processing (DSP)+built into the
amplifier.
Before reading this manual and considering using this software, first make
sure the product is installed correctly. Refer to the specific user’s manual
of the product if necessary. In order to obtain the best results, we recommend
you have your PUZU PZ-C7 installed by Your PUZU dealer.
WARNING
SOFTWARE COMPATIBILITY PC:
Windows XP/Vista/Win7/8/10
The maximum resolution of the software is 1024X768
RECOMMENDED MINIMUM REQUIREMENTS
Operating system: Windows XP, Windows Vista, Windows 7, Windows 8, Windows10
Processor:1.67GHz, equivalent or more
RAM:1GB or more
Hard drive:512MB or more free space
Display: 1024X768 or more
SOFTWARE INSTALLATION WARNING
Before connecting your PUZU PZ-C7 software, close all open programs, connect
DSP with the PC by USB data cable, and allow your PC to auto-install the
hardware of the USB data cable. Open the software,the installation process
runs automatically. if you encounter any problems, please uninstall the
software and download the newest software from
www.puzuaudio.com
If you can not success install the software after trying more times, please
mail to market@puzuaudio.com for further help.
After you installed the software. you can see the main interface in as follow
picture. 
Machine connections & file load
- The interface will show [connecting] before connecting to the machine and show[connected] if the software has been successfully connected.
- You can save the tuning sound data to built-in modes 1-6, or you can save it to your local PC so that you can directly upload the files if you meet the same car and same audio system next time.
- You can change the system language to Chinese/English.
- Share your tuning parameters to another audio system with the same speaker parameters and car models.
- Set a noise Gate,if the input signals is higher than the gate,it could be entered normally,otherwise,it will be blocked.lf the gate is set reasonably,the machine will be automatically muted when the system has no signal inut,so as to make system output quieter,adjustment range 0-20.
- Types of sound sources are available for selection:Bluetooth,high level,and USB,the software set hi level as default.
- select type of sound source from the drop down list.
Channel joint
You can joint the channels:Grouping Front (1 &2 channels) Grouping rear(3&4
channels),Grouping all,and Grouping Bass
This interface show the main GEQ & PEQ display by tuning 15 bands EQ
parameters you can reset and bypass those parameters,and there are some useful
parameters like Freq,Q, Gain,which clearly and accurately display.
a.You can tuning the high pass and low pass filter by HPS/LPS ,each channel is
equipped with high pass filter and low pass filter. b.Filter
typies:butterworth,bassel and linkwitz-riley c.The range of slope of filter
(slope) is 6dB/Oct —48dB/Oct,and the resolution is 6d B/oct d.When you press
PEQ,you can tuning the EQ by drag or pull the points any of 1-15. e.When you
press GEQ,you can tuning the EQ by detail parameters you manually set it
f.limiter is a circuit
that allows signals below a specified input power or level to pass unaffected
while attenuating (lowering) the peaks of stronger signals that exceed this
threshold. Limiting is a type of dynamic range compression. Clipping is an
extreme version of limiting.lf you not familar with this function and not know
much about it,just let it as default.
This interface you can control the main volume for each channels,phase front
left/front right/Rear left/Rear right/Center/Sub.
g.you can set all 6 channels time delay parameters seperately.you can set the
time delay unit CM/MS/inch,usually we recommend you use CM
Choose delay unit:ms/cm/inch
ms:0-20ms
cm:0-692cm
inch:0-272.44inch
Most importantly,please save tuning parmaters to 1-USER ~ 6-USER when you finish sound tuning every time.if you have local pc file saved before,just press the load button to upload the file.
PZ-C7 ANDROID APP USER’S GUIDE
Download Android apk file from www.puzuaudio.com for free PZ-C7 built in double bluetooth 5.0 version
INSTALLATION STEPS OF ANDROID APP
Stepl :Press PZ-C7 ICO| Step2:Press bluetooth logo| Step3:allow the app open
your bluetooth
Step4:When it appear Mango2.7,Press the words.| Step5:Waiting loading the
date| Step6:Success
Chanel:Press Channels ico You will see the interface,you can set each
channel’s Gain/ Phase/Time delay/Open/close volume.| Link:Press the “system”
button you can set the link channel function CHI &CH2 CH3&CH4, CH5&CH6,|
Presets Mode:You can select PRI – PR8,save and selection,for example, if you
finished sound tuning you can save to any one of them.
EQ SETTING: You can separate or group setting CH1—CH6 reset/PEQ,GEQ/ Bypass etc functions.
TIPS
you can use this sound tuning app only by android system phone not support by
ios, but you can listen to bluetooth music by both ios and android system
smartphone.
- Open your phone setting (ios and android )
- Search DSP-audio7 and connect it.
BEFOR USE PUZU PZ-C7SOFTWARE YOU NEED TO KNOW BASIC SOUND PARAMETERS OF DIFFERENT MUSIC INSTRUMENTS PERFORMANCE,S0 YOU CAN BETTER UNDERSTAND HOW TO TUNING THE SOUND!
piano| The range 27.5-48.5Hz affects the frequency, the tone becomes thinner
as the 1
frequency increases; 20-50Hz provides the peak frequency
---|---
Saxophone| 600-2Khz affect the brightness, enhance the frequency can make the
sound color clear
guitar| improve 100-300Hz can make the sound much more fullness; enhance 2k-
5KHz can
increase the tone performance
Bass guitar| 60-100Hz bass fullness; 60-1 KHz impact intensity, 2.5Khz is
plectrum audio
electric guitar| 240H is the fullness frequency, 2.5KHz is the brightness
frequency; plectrum is 3K-4KHz
Electric bass| 80-240Hz is fullness frequency; 600-1 Khz impact intensity;
2.5KHz is plectrum audio
tambourine| 200-240Hz is the resonance frequency; 5KHz affect the presence
Snare drum| 240Hz affect fullness; 2KHz impact loudness; 5KHz affect plucked
audio
Bass drum| 60-100Hz is the bass force frequency; 2.5KHz is the percussion
sound frequency
big drum| 60-150Hz is the intensity of frequency; affect fullness
TIPS
- Super bass:20Hz~40Hz,
- Bass:40Hz~150Hz,
- Midrange to Bass:150Hz~500Hz,
- Midrange:500Hz~2KHz,
- Midrange toTreble:2KHz~5KHz,
- Treble:7KHz~8KHz,
- Super Treble:8KHz~10KHz,
| Frequency | Lower | Proper | higher |
|---|---|---|---|
| 16K-20KHz | The tone lacks of expressiveness | Tone expressive and charm | Strong |
sense of instability
12K-16KHz| Lost luster| Golden splashes| Hairy, harsh
10K-12KHz| Boring, tarnished| Strong sense of metal| Light noise
8K-10KHz| dull| sound is smooth| sharp
6K-8KHz| dim| Transparent| Tooth sound heavy
5K-6KHz| vague| High definition| sharp
4K-5KHz| the sound is getting far| goodsense of loudness| the sound is getting
close
4KHz| blurry| Good Penetration| Cough sound is heavy
2K-3KHz| hazy| Brightness is better| rigid
1K-2KHz| Loose, tone off| good sense of transparency| Jump sense
800Hz| Loose| Strong sense| guttural is heavy
500-800Hz| Shrinkage| The outline of the sound is good| The sound protrudes
forward
300-500Hz| Empty sense| Voice power good| Phone sound color
150Hz-300Hz| Soft feeling| Sound intensity feeling good| stiff
100-150Hz| thin| Fullness increased| Turbid “hum”
60-100Hz| Weakness| Strong sense of depth| Low frequency resonancesound
appears “hoo”
20-60Hz| emptiness| Good sense of space| Low frequency resonance sound appears
“hoo”
PLANNING YOUR INSTALLATION
It’s important that you take the time to read this manual and that you plan
your installation carefully,lt’s very easy to damage expensive vehicle systems
in modern automobiles,Never assume that you have found appropriate wires
without consulting a reliable wiring diagram or without performing signal
testing with proper test equipment,if you are uncomfortable or unfamiliar with
reading diagrams or testing signals,plesae enlist the services of your
authorized PUZU Audio dealer to perform the installation,PZ-C7 support
universeal DSP cable and No-destructive wiring harness,Plug & Play,easy
install it to your car audio system
SIMPLE FAULT ANALYSIS AND TROUBLESHOOTING
The harness connector does not match the original car| Harness for the car
dedicated,please determine your model and the height of the model,and infrom
the local dealer or agent
---|---
Products in the use of the process of noise| Make sure the host cable is
properly connected to check for loosening,After the exclusion is still
noise,please check the ground with the original car CD machhine shell
connection.Still can not be resolved please return to the local dealer or
agent.
Work indicator light does not shine,no sound| Please check if the tail has
been properly connected, check the original car with or without amplifier or
modeified amplifier
The original car host and the machine can’t get power on| Check whether the
original power cord is connected, the original car with original car host
shell,restore the original car position
there is a “pump” sound when connected the DSP with subwoofer| Plese connect
the blue wire of the harness cable to your car subwoofer’s REM plug
All connection well and there is no sound come from speaker after few seconds
sound come again from speaker.or there is a “zizizi” or “dididi”sounds come
from speaker.| You car with speaker detection function. Solution:Between the 4
high-level input ports of the DSP power amplifier and the 4 high-level output
ports of the host, each interface is connected in parallel with a 33 ohm, 10W
cement resistor.
DSP can not get power on when choose”Host”start up| switch to “ACC” start up
and then connect the red line of the harness cable to your car ACC line
Exist buttom noise come from speaker when play DSP| Eusually it comes from
your factory radio.the noise sound source come from it,after it get through
DSP, noise is amplified,you can try adjust the button”Noise get threshold”from
the software by PC computer.
WARRANTY CARD
Dear Customer, Thank you purchased puzu product.To get yourself familiarize
with the features and operation of the system.we suggest you to read the
operating instruction manual provided along with the set.This warranty card is
an assurance that you have purchased the best.Please preserve this card to
avail the warranty service during the unlikely even of any problem.
Warranty: Your puzu car audio system/Accessory is fully guaranteed against
manufacturing defect or materal defect for the period of 12(twelve)months from
the date of sales.Satisfying the terms&conditions given below.Equipment in the
need of services shoud be refered to the authorized puzu dealer.
Warranty Terms&Conditions: Warranty will be entertained only when this card
and original invoice or the sales receipt(as proof of the date of purchase,
model,serial no.and the dealer’s name is presented together with the product
under complaint. Warranty does not cover damage to puzu equipments caused by
accident,misuse,repairs additions and modifications carried out by
unauthorized dealers or if tampered in any other manner. Warranty will not
apply if the type or serial number on the product has been altered
deleted,removed or made illegible. This warranty does not cover the cabinetry
and any apperance item,user attached antennas,any damage to recordings
orrecording tapes or disc,damage due to lightning or due to power surges. This
warranty does not cover problem due to improper installation,setup adjustment
and signal reception problems We reserve the right to refuse warranty service
if the above terms and conditions are violated.
THIS WARRANTY DOES NOT COVER DAMAGE TO PUZU EQUIPMENT CASUED BY USAGE OF
INFERIOR QUALITY WIRINGKIT/DAMAGED CASSETTE OR CD.
WARRANTY CARD-SPEAKER AMPLIFIER/SUWOOFER ACCESSORIES
Please demand the below portion is filled by the dealer and given to you.
MODE: —————————DATE OF PURCHASE:——————————-
SERIAL NO.:——————————————–
DEALER’S STAMP:
PUZU®AUDIO
WARRANTY VOID WITHOUT THIS CARD
HUIZHOU SHANGSHUI TECHNOLOGY CO.,LTD
3F,Dinsheng Technology Industrial Zone,Pingnan,ZhongKai,HuiZhou
GD,CHINA.516006
Designed by USA,Made in China
www.puzuaudio.com
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