Wet Sounds SYN-DX Series User manual

FULL RANGE CLASS-D AMPLIFIERS
SYN-DX 2, SYN-DX 2.3 HP, SYN-DX 4, SYN-DX 6
OWNER'S MANUAL
HIGH PERFORMANCE MARINE AUDIO
wetsounds.com
SYN-DX SERIES
REV DATE FEB 2017

1
CONGRATULATIONS!
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6RXQGVSURGXFWV
WARNING
:HEXLOGDOO:HW6RXQGVSURGXFWVWRSOD\DWKLJKYROXPHVIRUH[WHQGHGSHULRGVRI
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FDQ HDVLO\ JHQHUDWH KLJK YROXPHV WKDW FDQ SHUPDQHQWO\ GDPDJH \RXU KHDULQJ
:HXUJH\RXWROLPLW\RXUH[SRVXUHWRYHU\KLJKYROXPHVRXQG<RXPD\DOVR¿QG
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of all local and state laws in your area. A Properly tuned and operated audio
system will deliver years of enjoyment when used properly.
WARNING
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Wet Sounds SYN-DX Series Owner’s Manual
WET SOUNDS SYN-DX SERIES AMPLIFIERS

2
Wet Sounds SYN-DX Series Owner’s Manual
INSTALLATION INSTRUCTIONS
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HQVXUHSURSHULQVWDOODWLRQRI\RXUQHZSXUFKDVHSOHDVHIROORZDOOWKHVXJJHVWLRQV
OLVWHG EHORZ If you do not have experience with marine electrical and
PHFKDQLFDO V\VWHPV FRQWDFW D SURIHVVLRQDO LQVWDOOHU 3D\LQJ D TXDOL¿HG
installer is almost always cheaper than paying a dealership to repair your
boat.
LOCATING THE AMPLIFIER
7KH DPSOL¿HU PXVW EH VHFXUHO\ PRXQWHG WR D VROLG VXUIDFH 3OHDVH VHOHFW D
GU\ ORFDWLRQ WR PRXQW \RXU DPSOL¿HU $OO :HW 6RXQGV SURGXFWV DUH GHVLJQHG WR
RSHUDWH LQ KXPLG HQYLURQPHQWV KRZHYHU GLUHFW FRQWDFW ZLWK ZDWHU FDQ GDPDJH
WKHHOHFWURQLFV'RQRWPRXQWWKHDPSOL¿HUWRDQ\DUHDWKDWPD\KDYHH[FHVVLYH
YLEUDWLRQ OLNH D VXEZRRIHU HQFORVXUH 3RVLWLRQ WKH DPSOL¿HU LQ DQ DUHD WKDW
UHFHLYHVVXI¿FLHQWDLUÀRZIRUSURSHUKHDWGLVVLSDWLRQ
SUPPLYING ENOUGH POWER
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ERDWVHOHFWULFDOV\VWHPDQGFRQYHUWVLWLQWRKLJKSRZHUPXVLFDOHQHUJ\,IWKHDPS
FDQ¶WJHWDOOWKHSRZHULWQHHGVLWZLOOQRWSURGXFHLWVIXOORXWSXW<RXU:HW6RXQGV
DPSOL¿HUZLOOSURGXFHIXOORXWSXWORQJHUWKDQRWKHUDPSOL¿HVRQWKHPDUNHWWRGD\
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SURIHVVLRQDOWHFKQLFLDQ

3
RUNNING THE WIRING CABLES
**Always keep the signal cable and the power cables separated to prevent the
possibility of inducing noise into the system**
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WKHZLUHWLJKWDQGWLHGGRZQWRSUHYHQWWKHSRZHUZLUHIURPVKRUWLQJDQGUHGXFH
WKH ULVN RI ¿UH$ $:* RU ODUJHU ZLUH VKRXOG EH XVHG IRU SRZHU DQG JURXQG
FRQQHFWLRQV:HUHFRPPHQGDIXVHWREHLQVWDOOHGRQWKHSRZHUZLUHZLWKLQ
LQFKHVRIWKHEDWWHU\IRUVDIHW\
AMPLIFIER CONNECTIONS
**Make sure that the +12 volt cable is NOT connected to the battery while making
any of the connections until all the connections and the fuse are installed**
Power Connections
The SYN-DX Series is designed for 4 AWG3RZHUZLUH9DQG*URXQGZLUH
*1'<RXZLOOQHHGWRSUHSDUHWKHZLUHE\UHPRYH´RQWKHSURWHFWLYHVKLHOGLQJ
RQWKHSRZHUDQGJURXQGZLUH7KHQWDNHD3KLOOLSVKHDGVFUHZGULYHUDQGEDFNRXW
WKHVFUHZVRQWKHWHUPLQDOEORFN,QVHUWWKHYROWZLUHLQWRWKH9VLGHRIWKH
WHUPLQDOEORFNDQGWKHQWLJKWHQWKHVFUHZEDFNLQWRWKHWHUPLQDOEORFN<RXZLOOGR
WKHVDPHIRUWKH*URXQGZLUH6HHEHORZ
REMOTE CONNECTION
7KLVDPSOL¿HULVGHVLJQHGWRDFFHSWD$:*±$:*ZLUHLQSXWRQWKHWHUPLQDO
EORFNIRUVSHDNHURXWSXWVDQG'LDJUDP$7KH5HPRWH7XUQRQLVKRZWKH
DPSOL¿HUNQRZVZKHQWRWXUQRQDQGRII7KLVLVW\SLFDOO\FRQQHFWHGWRWKHUHPRWH
RXWSXWZLUHRQDQDIWHUPDUNHWUDGLR:KHQFRQQHFWLQJWKLVDPSOL¿HUWRDIDFWRU\
UDGLR\RXZLOOQHHGWR¿QGDYROWDFFHVVRU\ZLUHWKDWVZLWFKHVRQDQGRIIZLWK
WKHNH\
Wet Sounds SYN-DX Series Owner’s Manual

4
AMPLIFIER SIGNAL INPUTS
&RQQHFWWKH5&$RXWSXWVIURPWKHVRXUFHXQLWLQWRWKHLQSXWVRIWKHDPSOL¿HU7KH
6<1';6HULHVKDVSDLURILQSXWVIRUHDFKSDLURIFKDQQHOV
SYN-DX 2 SYN-DX 4
SYN-DX 4
SYN-DX 6
SYN-DX 6
SYN-DX 2 ADVANCED SUBWOOFER CONTROLS
7KH6<1';&KDQQHO$PSOL¿HULVHTXLSSHGZLWKDGGLWLRQDO IHDWXUHVFRQWUROV
ZKHQXVLQJDVXEZRRIHURQWKLVDPSOL¿HU7KHUHLVBASS BOOST and SUBSONIC
FILTER. For any assistance in setting this up, please contact Wet Sounds Technical
6XSSRUWDW
Wet Sounds SYN-DX Series Owner’s Manual
On the SYN-DX 4, there is 1 input selection switch. 7KH VZLWFK LV XVHG WR
GHVLJQDWHRUFKDQQHOLQSXW<RXFDQVHOHFWFROM CH 1-2 ZKHQRQO\XVLQJ
VHWRI5&$LQSXWVWRDOORZDOOFKDQQHOVWRKDYHRXWSXWIURPVHWRI5&$V&+
<RXFDQVHOHFWFROM CH 3-4 WRXVHERWKVHWVRILQSXWV
On the SYN-DX 6, there are 2 different input selection switches. 7KH¿UVWLVWR
GHVLJQDWHRUFKDQQHOLQSXW<RXFDQVHOHFWFROM CH 1-2ZKHQRQO\XVLQJ
VHWRI5&$LQSXWVWRDOORZDOOFKDQQHOVWRKDYHRXWSXWIURPVHWRI5&$V&+
7KHQH[WLVWRWXUQRQRURIIWKHLQSXWVIRUFKDQQHOV6HHEHORZ
&KFDQEHFDUULHGRYHUIURPLQSXWVZKHQ\RXVHOHFWFROM CH 1-2, or
DVHSDUDWHVHWRI5&$FDEOHVFDQEHXVHGZKHQ\RXVHOHFWFROM CH 5-6
127(LI\RXRQO\ XVHWKHDPSOL¿HULQ FKDQQHOLQSXWPRGH\RX ZLOO QRW
have fading capabilities between front and rear outputs.**

5
SPEAKER TERMINAL INPUTS
7KH 6<1'; 6HULHV XWLOL]HV UHPRYDEOH VSHDNHU WHUPLQDO EORFNV IRU HDVLHU
LQVWDOODWLRQVDQGVWURQJHUSRZHUFRQQHFWLRQV7KHWHUPLQDOEORFNVDUHGHVLJQHGWR
DFFHSW$:*$:*VSHDNHUZLUH:KHQSUHSDULQJWKHZLUH\RXZLOOQHHGWR
VWULS´RIWKHFDEOHVSURWHFWLYHVKLHOGLQJ7KHQWDNHDVPDOO3KLOOLSVRUÀDWKHDG
VFUHZGULYHUDQGEDFNRXWWKHVFUHZRQWKHWHUPLQDOEORFN,QVHUWWKHVSHDNHUZLUH
LQWRWKHWHUPLQDOEORFNDQGWKHQWLJKWHQWKHVFUHZEDFNLQWRWKHWHUPLQDOEORFN'2
12729(57,*+7(16HHEHORZ
Wet Sounds SYN-DX Series Owner’s Manual
POWER INDICATOR
7KHDPSOL¿HULVHTXLSSHGZLWKDGXDOLOOXPLQDWLRQ/('RQWKHWRSRIWKHDPSOL¿HU
WKDWWKH:HW6RXQGVORJREDGJHLVPRXQWHGRQ7KLVDPSOL¿HULVHTXLSSHGZLWKDQ
DGYDQFHGGLDJQRVWLFV\VWHPFRQWUROOHGE\DPLFURSURFHVVRU,QWKHHYHQWWKDWWKH
XQLWJRHVLQWRSURWHFWLRQIRUDQ\UHDVRQLWZLOOÀDVKDGLDJQRVWLFFRGH7KHGLIIHUHQW
VHTXHQFHVLQGLFDWHWKH³&RGH´IRUIDVWHUWURXEOHVKRRWLQJ:KHQWKHDPSOL¿HU¿UVW
WXUQVRQWKH/('ZLOOÀDVKEOXH2QFHWKHDPSOL¿HULVUHDG\IRUXVHWKH/('OLJKW
ZLOOFKDQJHWRVROLGEOXH,IWKHDPSOL¿HULVLQSURWHFWLRQPRGHRYHUYROWDJHXQGHU
YROWDJH'&RIIVHWWKHUPDOKHDWLQJRUVSHDNHUVKRUWWKH/('OLJKWZLOOÀDVKDUHG
GLDJQRVWLFVHTXHQFHSee troubleshooting section for further detail.

6
1. Channel 3-4 Input Switch ± $GMXVWLQJ WKLV VZLWFK WR  FKDQQHO LQSXW DQG
FRQQHFWLQJRQO\WKH&+LQSXWVDOORZVWKHDPSOL¿HUWRKDYHFKDQQHORXWSXW
2. Channel 5-6 Input Switch±$GMXVWLQJWKLVVZLWFKWXUQVRQRIIWKH5&$LQSXWVIRU
FKDQQHOV
3. Gain Control 1-2 -7KLVLVWKHLQSXWVHQVLWLYLW\JDLQFRQWUROIRUFKDQQHOV
4. Crossover Switch 1-27KH+3)DWWHQXDWHVORZIUHTXHQFLHVDQGLVXVHGZLWK
PLGUDQJHVSHDNHUVDQGWZHHWHUV/3)DWWHQXDWHVKLJKIUHTXHQFLHVDQGLVXVHGIRU
VXEZRRIHUV7KLVFRQWUROVFKDQQHOV
5. Variable Crossover 1-2±%XLOWLQGEFURVVRYHUZLWKIUHTXHQFLHVEHWZHHQ+]
±+]
6. Gain Control 3-4±7KLVLVWKHLQSXWVHQVLWLYLW\JDLQFRQWUROIRUFKDQQHOV
7. Crossover Switch 3-47KH+3)DWWHQXDWHVORZIUHTXHQFLHVDQGLVXVHGZLWK
PLGUDQJHVSHDNHUVDQGWZHHWHUV/3)DWWHQXDWHVKLJKIUHTXHQFLHVDQGLVXVHGIRU
VXEZRRIHUV7KLVFRQWUROVFKDQQHOV
8. Variable Crossover 3-4±%XLOWLQGEFURVVRYHUZLWKIUHTXHQFLHVEHWZHHQ+]
±+]
9. Gain Control 5-6±7KLVLVWKHLQSXWVHQVLWLYLW\JDLQFRQWUROIRUFKDQQHOV
10. Crossover Switch 5-67KH+3)DWWHQXDWHVORZIUHTXHQFLHVDQGLVXVHGZLWK
PLGUDQJHVSHDNHUVDQGWZHHWHUV/3)DWWHQXDWHVKLJKIUHTXHQFLHVDQGLVXVHGIRU
VXEZRRIHUV7KLVFRQWUROVFKDQQHOV
11. Variable Crossover 5-6 ± %XLOW LQ GE FURVVRYHU ZLWK IUHTXHQFLHV EHWZHHQ
+]±+]
12. Power LED Indicator and Logo
AMP DIAGRAM WITH LEGEND
Wet Sounds SYN-DX Series Owner’s Manual
1 2 3 4 5 6 7 8 9 10 11 12

1
2
3
4
5 6 7 8
7
1. Fuses ±7KHIXVHVSURWHFWWKHDPSOL¿HUDJDLQVWLQWHUQDOHOHFWULFDOGDPDJHDQG
DUH PHDQW WR SURWHFW WKH DPSOL¿HU RQO\$OO RWKHU SRZHU FRQQHFWLRQV VKRXOG EH
fused at the source
2. (+) 12 Volt Power ± &RQQHFW WKLV WHUPLQDO WKURXJK D )86( RU &,5&8,7
%5($.(5WRWKHSRVLWLYHWHUPLQDORIWKHYHKLFOHEDWWHU\RUWKHSRVLWLYHWHUPLQDORI
DQLVRODWHGDXGLRV\VWHPEDWWHU\
3. Remote Turn On ± 7KLV WHUPLQDO WXUQV RQ WKH DPSOL¿HU ZKHQ   YROW LV
DSSOLHG WR LW &RQQHFW LW WR WKH 5HPRWH 7XUQ RQ OHDG RI WKH KHDG XQLW RU VLJQDO
VRXUFH
4. Ground ±&RQQHFWWKLVWHUPLQDOGLUHFWO\WRWKHEDWWHU\XVLQJWKHVKRUWHVWZLUH
QHFHVVDU\WRPDNHWKLVFRQQHFWLRQ$OZD\VXVHZLUHRIWKHVDPHJDXJHRUODUJHU
WKDQWKHYROWSRZHUZLUH
5. RCA Inputs 5&$,QSXW-DFNV²$FFHSWVOLQHOHYHORXWSXWVIURPVRXUFHXQLWVRU
VLJQDOSURFHVVRUVDWYROWDJHVEHWZHHQP9DQGYROWV
6. Speaker Terminal Output Block 1-2±7KLVLVWKHVSHDNHUFRQQHFWLQJEORFNIRU
FKDQQHOV
7. Speaker Terminal Output Block 3-4±7KLVLVWKHVSHDNHUFRQQHFWLQJEORFNIRU
FKDQQHOV
8. Speaker Terminal Output Block 5-6±7KLVLVWKHVSHDNHUFRQQHFWLQJEORFNIRU
FKDQQHOV
AMP DIAGRAM WITH LEGEND
Wet Sounds SYN-DX Series Owner’s Manual

8
%HFDXVHRIWKHZLGHUDQJHRIKHDGXQLWUDGLRRXWSXWFRQ¿JXUDWLRQVDOO:HW6RXQGV
DPSOL¿HUVKDYHDQDGMXVWDEOHLQSXWVHQVLWLYLW\RU³*$,1´7KHJDLQLV127DYROXPH
RUDSRZHUOLPLWLQJFRQWUROVLPLODUWRDWKURWWOH,WPDNHVWKHDPSOL¿HUPRUHVHQVLWLYH
WRLQSXWIURPWKHVWHUHR:KHQWKHJDLQLVWXUQHGXSWKHDPSOL¿HU ZLOOUHDFKIXOO
RXWSXWDWORZHUYROXPHOHYHOVRQWKHKHDGXQLWUDGLR$OVRZKHQWKHJDLQLVVHWWRR
KLJKWKHDPSOL¿HUEHFRPHVPXFKPRUHVHQVLWLYHWRQRLVHIURP\RXUERDWVHOHFWULFDO
V\VWHP
Adjusting the Gain
<RXZLOOQHHGDVPDOOÀDWKHDGVFUHZGULYHUDQGVHOHFWWKHVW\OHJHQUHRIPXVLF
\RXSULPDULO\HQMR\OLVWHQLQJWR
Here are 3 easy steps to follow.
1. 7XUQWKHJDLQDOOWKHZD\FRXQWHUFORFNZLVHWRWKH³PLQ´SRLQWRQWKHDPS
2. ,QFUHDVHWKHKHDGXQLWUDGLRYROXPHWRôRIWKHPD[LPXPYROXPHRXWSXWZKLOH
SD\LQJ\RXUIDYRULWHVW\OHJHQUHRIPXVLF
3. *HQWO\WXUQWKHJDLQFORFNZLVHWRLQFUHDVHWKHDPSOL¿HUVRXWSXWXQWLOWKH
GHVLUHGOHYHORIRXWSXWLVDFKLHYHG
**You will repeat these steps for both the front and rear channels
independently**
You should not hear any distortion in your speakers at this level,
if you do, slowly turn down the gain until distortion is no longer
present. If you need further assistance please contact Wet
Sounds Technical Services Department.
Crossover Controls
7KLVDPSOL¿HULVGHVLJQHGWRSOD\IUHTXHQFLHVEHWZHHQ+]DQG+]7KH
DPSOL¿HULVHTXLSSHGGLIIHUHQWRSWLRQDOVHWWLQJV+LJK3DVV+,RU/RZ3DVV
/2)8//)XOO5DQJH6HHEHORZ
“High-Pass”
GHVLJQHGWRSOD\RQO\WKHIUHTXHQFLHVDERYH
ZKHUHWKHFURVVRYHULVVHWDW
“Low Pass”
GHVLJQHGWRSOD\RQO\WKHIUHTXHQFLHVEHORZ
ZKHUHWKHFURVVRYHULVVHWDW
“Full-Range”
7KLVWXUQVRIIWKHFURVVRYHUDQGDOORZVWKHDPSOL¿HUWRSOD\HYHU\IUHTXHQF\
Input Selection
SETTING UP THE AMPLIFIER
Wet Sounds SYN-DX Series Owner’s Manual

9
TROUBLESHOOTING
1. &KHFN\RXUIXVHDQGUHSODFHLIQHFHVVDU\
2. &RQ¿UP\RXU*URXQGZLUHKDVDJRRGFRQQHFWLRQ
3. 0DNHVXUH\RXUUHPRWHZLUHDQGSRZHUZLUHKDV9ROWV
4. 0DNHVXUH\RXUEDWWHU\KDVYROWV
5. &RQ¿UPWKDWWKHDPSOL¿HU/('FRORULVEOXH,IWKHOLJKWÀDVKLQJLVUHGWKDQWKH
DPSOL¿HULVLQSURWHFWLRQPRGH,IWKHOLJKWLVUHGFKHFNWKHIROORZLQJLWHPVEHORZ
A. 6HHZKDWVHTXHQFHLVÀDVKLQJE\UHIHUHQFLQJWKHFKDUWEHORZ
B. &RQ¿UPWKDWDWKHVSHDNHULVQRWEORZQ
C. &RQ¿UPWKDWWKHUHDUHQRORRVHZLUHVWKDWFRXOGEHJURXQGLQJRXWWKH 
DPSOL¿HU
D. &KHFNWKDWWKHDPSOL¿HUKDVVXI¿FLHQWDLUFLUFXODWLRQZKHUHLWLV
ORFDWHG,QVXI¿FLHQWDLUÀRZDQGRYHUGULYLQJWKHDXGLRV\VWHPFRXOG
UHVXOWLQWKHDPSOL¿HUJRLQJLQWRSURWHFWLRQWRSUHVHUYHWKHDPSOL¿HU
,I\RXDUHH[SHULHQFLQJSUREOHPVZLWK\RXUDPSOL¿HUDIWHU
installation follow these procedures to try and remedy the
problem.
Wet Sounds SYN-DX Series Owner’s Manual
For HTX 4, 6 ampliers, a short will only shut down the channels which are in fault. The other channels will
contiunue to play. After a fault connection is cleared, the error code will continue to ash, while the logo is
still illuminated blue. Please contact Tech Support for additional assistance, questions, etc.
Wet Sounds SYN-DX Fault Codes
Circuit Board