LC7i Six Channel Line Output Converter with AccuBass Owner’s Manual
- June 8, 2024
- LC7i
Table of Contents
Six Channel Line Output Converter with AccuBass
Six Channel Line Output Converter with AccuBASSTM for interfacing with factory
installed audio systems
The LC7i transforms your under-performing factory audio system into a supreme
audio machine! It is a compact, six-channel, high-performance active line
output converter with AudioControl’s patent-pending AccuBASSTM compensation
that corrects the bass roll-off present in many factory equipped audio
systems. The LC7i accepts up to six channels of speaker-level signal from
factoryLQVWDOOHGDPSOL¿HUVRUDVRXUFHXQLWDQGFRQYHUWVLWWRDKLJK quality, after
market low-noise, pre-amp level signal that can be
IHGWRDPSOL¿HUVDQGVSHDNHUV<RXPDDOVRDGGDQRSWLRQDO ACR-1, remote level control,
so you can adjust the output of the bass channels from the convenience of the
driver’s seat. With the LC7i you have a high performance audio system while
maintaining
the features, functions and aesthetics of your factory source unit!
This manual covers the features, functions, installation and usage of the LC7i
so please take a few moments to read through it. If it’s easier, read 140
characters at a time, just make sure to remember where you stopped reading
last time! We’ve tried to cover all possible situations and have included lots
of facts and useful information. For more information visit our web site at
http://www.audiocontrol.com
®
Making Good Sound Great
page 1
Key features of the LC7i
AccuBASSTM bass compensation corrects the bass roll-off in factory systems
6SHDNHUOHYHOLQSXWVFDQDFFHSWZDWWVSHUFKDQQHO 6L[LQSXWDQGRXWSXWFKDQQHOV
,QWHUQDOFKDQQHOVXPPLQJHOLPLQDWHVIDFWRUFURVVRYHUVHWWLQJV
$XWR0RGHWXUQVLQSXWVLQWRRXWSXWV *72VLJQDOVHQVLQJWXUQVWKH/&i on automatically
YROWDPSUHPRWHRXWSXWWRSRZHUXSSURFHVVRUVDQGDPSOL¿HUV /HYHOPDWFKLQJFRQWUROV
&RPSDFWFKDVVLVIRUHDVLQVWDOODWLRQ 5HFFODEOHFDUGERDUGER[IRUHDVVWRUDJHRUHPHUJHQF
heating needs 2SWLRQDOGDVKFRQWURO$&5IRUUHPRWHOHYHODGMXVWPHQW
%XOOHWSURRIHDUZDUUDQWZKHQLQVWDOOHG EDQDXWKRUL]HG$XGLR&RQWUROGHDOHU
Quick Install Guide
Since some of you high energy enthusiasts will want to install your LC7i on
your own, we offer a few reminders in the following
VKRUWVHFWLRQWRVSHHGXSRXULQVWDOODWLRQ<RXVKRXOGDOVRUHIHUWR diagrams on page 9 as
guidelines.
1. Physically mount the LC7i in a location that keeps it away
IURPVRGDVSLOOVIRRGFUXPEVDQGFXULRXV¿QJHUV6HOHFWDORFDtion that allows you access
to the top panel controls.
7KH/&i needs to be installed in the signal path between
RXUIDFWRUVRXUFHXQLWRUIDFWRUDPSOL¿HUDQGDIWHUPDUNHW DPSOL¿HUVDQGRUSURFHVVRUVDo
not connect the LC7i between WKHIDFWRUKHDGXQLWDQGWKHIDFWRUDPSOL¿HU Locate the
ampli¿HGVSHDNHUZLUHVWKDWDUHFRPLQJIURPRXUIDFWRUVRXUFHXQLW
page 2
DQGRUDPSOL¿HUDQGFRQQHFWWKHPWRWKHVSHDNHUOHYHOLQSXWVRQ your
LC7i,QPDQFDVHVRXFDQ¿QGIDFWRUVSHDNHUOHDGVLQWKH
UHDURIWKHYHKLFOHRUDWWKHIDFWRUDPSOL¿HU Note: If your source unit has front,
rear, and subwoofer
speakerOHYHORXWSXWVFRQQHFWWKHPWRWKHWKUHHVHWVRILQSXWVRQRXU/&L If the source
unit only has front and rear outputs, the AutoMode circuitry in your LC7i
automatically routes the Channel 2 input VLJQDOWRWKH&KDQQHOVXEZRRIHULQSXW
8VH5&$FDEOHVWRFRQQHFWWKH5&$RXWSXWVRIWKH/&i to
RXUDIWHUPDUNHWDPSOL¿HUV,IWKHXVHRIWKHVHFRQQHFWLRQVDUH not familiar to you,
quickly pack up your LC7i and run to your nearest authorized AudioControl
dealer to have them perform the LQVWDOODWLRQ<RXZLOOWKDQNXVODWHU
&RQQHFW9SRZHUDQGJURXQG1RWH7KH/&i does have a
YROWUHPRWHLQSXWEXWLQPRVWVVWHPVWKH*72FLUFXLWWXUQV the LC7i on automatically.
&RQQHFWWKHYROWUHPRWHRXWSXWRIWKH/&i to your ampli¿HUVUHPRWHLQSXW
6. Turn your amp gains fully down before turning on the system. 7. Turn on
the system and level match your LC7i to your source
XQLWVLJQDOSURFHVVRUDQGDPSOL¿HUV)RUPRUHKHOSRQOHYHO matching see our technical
videos at http://www.audiocontrol.com 8. If your authorized AudioControl
dealer installs your LC7i, ZHZLOOH[WHQGWKHQRUPDORQHHDUZDUUDQWWRDIXOO¿YHHDUV
AudioControl products are, by nature, more technical than many others and we
spend a good deal of time training our dealers and installers so we know our
products will be installed correctly. We do this so you will get the best
possible results from your AudioControl purchases.
page 3
Under the Hood – Internal Jumpers
Here are the internal jumpers that allow you to customize the LC7i for your
particular installation.
1. Output Summing Jumpers:0DQRIWRGD¶VEHWWHUIDFWRU
VWHUHRVVWHPVLQFOXGHVHSDUDWHODPSOL¿HGDQGFURVVHGRYHUWZHHWers, mid-ranges, and
subs. If you are going to add your own amps
DQGVSHDNHUVWRWKHFDURXZLOOQHHGWRFRPELQHRUVXPWKHVH separate signals into a
single full-range signal for the new system. With the LC7i, summing is a snap.
The LC7i has internal jumpers that allow you to select which input signals
will be summed to the 0DLQRXWSXWV:KHQWKHMXPSHULVPRYHGWRWKH³VXPPHG´SRVLWLRQ
there will also be a corresponding green indicator light on the top front of
the LC7i. The shipped-from-the-factory setting is the
nonVXPPHGVHSDUDWHSRVLWLRQ
Ground Isolation Selector:2FFDVLRQDOODOWHUQDWRUQRLVHPD
DSSHDULQDVVWHPEHFDXVHWKHVRXUFHXQLWDQGDPSOL¿HUDUHXVing different grounding
schemes. To help in this situation, we have
SURYLGHGDOWHUQDWLYHJURXQGLQJFRQQHFWLRQV0DNHVXUHRXUVVWHP
LVWXUQHG2))EHIRUHRXPRYHWKHVHMXPSHUV:HVKLSWKHPLQWKH Isolated position, which
usually gives the best results.
GTOTM:7KH72MXPSHUHQDEOHVGLVDEOHVWKHUHDW7XUQ
2Q72DXWRPDWLFWXUQRQFLUFXLW6RPHFDUVKDYHDQHWZRUN
RIFRQQHFWHGVVWHPVLQWHJUDWHGPRELOHSKRQHDVVLVWDQFHVHUYLFHV
HWFWKDWFDQWXUQWKHIDFWRUDPSOL¿HURQDWDWLPHZKHQWKHDXGLR system is actually off.
To prevent this from turning your system
RQXQH[SHFWHGO\RXFDQESDVVWKH72FLUFXLWEPRYLQJ
WKH72MXPSHUDQGXVLQJDQDSSOLHGYROWVDWWKH5HPRWH
,QWHUPLQDO+RZHYHUGHIHDWLQJWKH72FLUFXLWPDUHVXOWLQ
VRPHIDFWRUIHDWXUHVQRWZRUNLQJIXOO6SHFL¿FDOOLIWKHRULJLQDO factory system
communicated via the factory amp and speakers, it
FDQQRWGRVRLIWKHDPSOL¿HULVRII:HVKLSWKH/&LZLWK*72 LQWKH³2Q´SRVLWLRQ
4. AutoMode: Some cars have unusual signals on their speaker
OHDGVDQGZLOOQRWEHHDVLOUHDGEWKH$XWR0RGHFLUFXLW:KHQWKLV
RFFXUVRXFDQPDQXDOOESDVVWKH$XWR0RGHIXQFWLRQ7KLVLVDFFRPSOLVKHGEPRYLQJWKHLQWHUQDO$XWR0RGHMXPSHUWR
page 4
³’HIHDW´,QWKLVPRGHRXZLOOQHHGVLJQDORQWKH&KDQQHO
LQSXWVWRRXWSXWVLJQDOVRQWKH&KDQQHORXWSXW:HVKLSWKH/&i
ZLWKWKHMXPSHUVLQWKH³2Q´SRVLWLRQ6HHWKH³$XWR0RGH,QSXW´
VHFWLRQXQGHU³0RUH+LJKOLJKWV´RQSDJHIRUPRUHGHWDLOV
,QWHUQDO-XPSHU&RQ¿JXUDWLRQ
A Guided Tour of LC7i c Speaker-level Inputs: The LC7i has six speaker-level
inputs.
These inputs get their signals from the speaker-level outputs of
RXUIDFWRULQVWDOOHGVRXUFHXQLWRUDPSOL¿HU,IRXUVRXUFHXQLW has front, rear, and
subwoofer speaker-level outputs, connect them to the three sets of inputs on
your LC7i. If the source unit only has
IURQWDQGUHDURXWSXWVWKH$XWR0RGHFLUFXLWULQRXU/&i
autoPDWLFDOOURXWHVWKH&KDQQHOVLJQDOWRWKH&KDQQHOVXEZRRIHU output.
7KH72FLUFXLWPHQWLRQHGSUHYLRXVOPRQLWRUVWKHPDLQ speaker inputs for the presence
of signal. If your installation does
QRWXVHWKHPDLQVSHDNHULQSXWV72ZLOOQRWIXQFWLRQ
page 5
d AccuBASSTM Controls: The threshold and level controls let
you determine when the AccuBASSTM circuit activates and the
OHYHORIEDVVFRUUHFWLRQGHVLUHG0RUHLQIRRQSDJH
e Ground:&RQQHFWWRDJRRGYHUL¿HGFKDVVLVJURXQG:DUQ-
ing: factory radio ground wires already have multiple devices con-
nected to them and are not recommended.
f +12V Power:&RQQHFWWRDJRRGVRXUFHRIYROWSRZHU
0DNHVXUHRXLQVWDOOWKHSURSHUVL]HIXVHRQWKHSRZHUZLUHQHDU
WKHSRZHUVRXUFHLHEDWWHUVRWKDWWKHSRZHUZLUHLVSURWHFWHG in case of a short to
ground or an installation mishap.
l
kj
c
d i hgfe
page 6
g Remote In: In some installations, you may not want to use
WKH72WRWXUQRQRXUVVWHP)RUWKHVHFDVHVWKH/&i can
EHWXUQHGRQUHPRWHOZLWKDYROWWULJJHU:KHQRXXVHWKH
YROWUHPRWHLQRXVKRXOGVHWWKHLQWHUQDO72MXPSHUVHH
³8QGHUWKH+RRG´RQSDJHWR³’HIHDW´7KLVZLOOSUHYHQWWKH car’s network system from
turning the system on unexpectedly.
h Remote Out:6XSSOLHVYROWV³´ZKHQWKH/&i is pow-
ered up, and is used to turn on external devices like signal
procesVRUVDQGDPSOL¿HUV5HFRPPHQGIXVLQJDWDPS
i Maximized Indicator:7KLVEULJKWOFRORUHG/(‘LQGLFDWHV
when the signal level is just below clipping within your LC7i.
:KHQSURSHUOOHYHOPDWFKHGWKLV/(‘VKRXOGÀLFNHURFFDVLRQDOO when your system is
playing at its maximum volume level.
j Power: If you have connected all of your power wires cor-
rectly, this light should be bright red when your system turns on.
k Optional (ACR-1) Dash Mounted Control Input:<RXFDQ
add a dash control that allows you to set remotely the level of the subwoofer.
l Pre-Amp Outputs: These RCA plugs should be connected to
the next component after the LC7i, such as a crossover or
ampli¿HU’RQRWFRQQHFWDQVSHDNHUVGLUHFWOWRRXU/&i outputs.
Output Levels: These knobs allow you to adjust the signal level from your
source unit to match the input of your after-market
DPSOL¿HUV,GHDOO\RXZDQWWRNHHSWKHRXWSXWRIWKH/&i high
DQGNHHSWKHDPSOL¿HUJDLQVDVORZDVSRVVLEOH
Channel Summed Indicators:8QGHUWKHFRYHURIRXU/&i are jumpers that will allow
you to sum selected channels into the
PDLQFKDQQHOV7KLVLVHVSHFLDOOXVHIXOIRUIDFWRULQVWDOOHG systems with actively
crossed over speaker systems. These
indicaWRU/(ԦVOHWRXNQRZZKLFKFKDQQHOVDUHEHLQJVXPPHGLQWRWKH main inputs.
page 7
Awesome Information
AccuBASSTM Processing
)DFWRULQVWDOOHGDPSOL¿HUVDQGVSHDNHUVDUH127GHVLJQHGWR
reproduce bass frequencies at high volume levels. These factory
systems actually remove the bass when you turn up the volume!
AudioControl developed the patent pending AccuBASSTM circuit
to restore the bass that the factory takes away. After a quick and
easy one-time setting, the AccuBASSTM circuit adds the bass just
DVWKHIDFWRUVVWHPUROOVRII<RXJHWVPRRWKVHDPOHVVDQGURFN
solid bass response regardless of volume level. The chart below
shows how the AccuBASSTM operates to correct for the factory
bass roll-off.
Setting the Accu-
BASSTM is a simple one-
time operation:
After you have hooked
up the system and are
listening to music, play
something with a good
bass line, and set the vol-
ume at low.
2QWKH/&i, set the Ac-
FX%$66/HYHO&RQWUROWRWKHSRVLWLRQ
7XUQWKH7KUHVKROGIXOOGRZQFRXQWHUFORFNZLVH
1RZWXUQXSWKHYROXPHRQRXUVWHUHRXQWLORXKHDUWKHEDVV
start
to drop out in relationship to the high frequencies
and leave the
volume there.
6ORZOWXUQXSWKH7KUHVKROGFRQWUROXQWLORXKHDUWKHEDVV
come back up and leave it in that position.
$GMXVWWKHOHYHOFRQWUROWR¿QHWXQHWKHDPRXQWRIEDVVUHVWRUD-
tion you want.
<RX¶UHGRQH1RZHYHUWLPHWKHVWHUHRJHWVWRWKDWYROXPHWKH
$FFX%$66ZLOOWDNHRYHUDQGUHVWRUHWKHEDVV<RXKDYH
smooth, seamless bass at all volumes and you can even use the
level control to give a little extra kick to the bass if you want. It’s
your music your way!
page 8
More Highlights
Summed Outputs
The LC7iKDVWKHFDSDELOLWWRFRPELQHWRJHWKHUPXOWLSOH RU
LQSXWVLJQDOVIURPWKHIDFWRUVRXUFHXQLWLQWRFKDQQHOV,Q some vehicles there is an
actively crossed-over tweeter, midrange, and woofer all in the front of the
vehicle. The LC7i lets you take all of those signals and sum them together to
get a high-quality, full-range, pre-amp signal. Simply move the summing jumper
ORFDWHGXQGHUWKHFRYHUIRUWKHGHVLUHGFKDQQHOLQWRWKH³6XP´SRVLWLRQ,IWKHJUHHQ/(‘IRUWKDWFKDQQHOLVRQRXNQRZLWLVEHLQJ
summed into the main output.
AutoMode
We have equipped your LC7iZLWKDQ$XWR0RGHIHDWXUHWKDWLV
GHVLJQHGWRIHHGVLJQDOWRWKHFKDQQHOVHFWLRQZKHQWKHIDFWRU
VVWHPRQOKDVIURQWDQGUHDURXWSXWV$XWR0RGHWDNHVWKHFKDQQHOUHDULQSXWVLJQDODQGDXWRPDWLFDOOIHHGVLWWRWKHFKDQQHO
outputs to drive a subwoofer amp and crossover. This means your
LC7iZLOODFFHSWWZRLQSXWFKDQQHOVVDIURQWDQGUHDUDQGJLYH
RXWKUHHRXWSXWFKDQQHOVIURQWUHDUDQGVXE
ACR-1 Dash Control (Purchased Separately)
The ACR-1 is a remote that gives you control over the level of
WKHFKDQQHO6XEZRRIHURXWSXWVRRXFDQDGMXVWWKHEDVVOHYHO from the driver’s seat.
Placement and Mounting
The ACR-1 dash control may be mounted under the dash using its own bracket or
through a custom hole in the dash. It should be
ZLWKLQUHDFKRIWKHGULYHUDQGLQDVSRWZKHUHWKH/(‘LVSODLQO
YLVLEOH<RXFRXOGPRXQWLWLQWKHWUXQNEXWWKDWGHIHDWVWKHZKROH purpose.
Bracket Installation
The dash control mounts with two screws, which attach to the underside of the
dashboard. Slide under the dash and place the dash control in its mounting
position, mark the two mounting holes, drill pilot holes, and secure with two
screws.
page 9
Custom Installation
)RUWKDWFXVWRP¿QLVKHGORRNWKHGDVKFRQWUROFDQEHÀXVK
PRXQWHGGLUHFWORQWKHGDVKERDUGRUDQZKHUHHOVH’LVDV-
semble the dash control from the mounting bracket. Start
ESXVKLQJWKH/(‘IURPLWVKROGHUIROORZHG
by removing the circuit board and rotary
FRQWUROIURPWKHEUDFNHW’ULOOD
´KROHLQWKHGDVKERDUG
for the control along with a
´KROHIRUWKHORFNWDEDQG
D´KROHIRUWKH
/(‘KROGHU5HDV-
semble the ACR-1
components in
their new custom
location.
Dash Control Assembly
page 10
Basic Factory Upgrade System
If the factory radio doesn’t have a bass output, the LC7i will provide it via
automode.
Upgrade for Factory System with Remote Mounted Factory Amplifier
page 11
Block Diagram of the LC7i
)HHOLQJORVW”+HUH¶VDQLQWHUQDO³URDGPDS´WRKHOSRXRXW7KLV
VLPSOL¿HGEORFNGLDJUDPLVDPDSRIWKHSDWKVWKHVLJQDOVWDNH through the LC7i. With
this map you can follow each input through the processor. If you have an issue
with the hook-up of your LC7i and need to call for technical assistance,
please have this diagram available. We can help you trace the problem to get
your system up and running.
page 12
The WARRANTY
3HRSOHDUHVFDUHGRIZDUUDQWLHV/RWVRI¿QHSULQWPRQWKVRI waiting around. Well, fear
no more, this warranty is designed to
make you rave about us to your friends. It’s a warranty that looks
out for you and helps you resist the temptation to have your friend,
³ZKR¶VJRRGZLWKHOHFWURQLFV´WUWRUHSDLURXU$XGLR&RQWURO product. So go ahead, read
this warranty, then take a few days to
enjoy your new LC7i before going on-line to register your unit at
www.audiocontrolregistration.com. We also look forward to your comments while
you are registering your LC7i³&RQGLWLRQDO´ doesn’t mean anything ominous. The
Federal Trade Commission
tells all manufacturers to use the term to indicate that certain condi-
tions have to be met before they’ll honor the warranty. If you meet
all of these conditions, we will warranty all materials and workmanship on the
LC7iIRURQHHDUIURPWKHGDWHRXERXJKWLW¿YH
HDUVLILWLVLQVWDOOHGEDQDXWKRUL]HG8QLWHG6WDWHV$XGLR&RQWURO
GHDOHUDQGZHZLOO¿[RUUHSODFHLWDWRXURSWLRQGXULQJWKDWWLPH Here are the conditional
conditions:
<RXKDYHWRJRWRZZZDXGLRFRQWUROUHJLVWUDWLRQFRPZDUUDQW and register your
LC7iZLWKLQGDVDIWHUSXUFKDVH
<RXPXVWNHHSRXUVDOHVUHFHLSWIRUSURRIRISXUFKDVHVKRZing when and from whom the
unit was bought. We’re not the only
ones who require this, so it’s a good habit to get into with any
major purchase. <RXU/&i must have originally been purchased from an au-
WKRUL]HG$XGLR&RQWUROGHDOHU<RXGRQRWKDYHWREHWKHRULJLQDO owner, but you do need a
copy of the original sales slip.
<RXFDQQRWOHWDQERGZKRLVQ¶W$WKH$XGLR&RQWUROIDFWRU%VRPHERGDXWKRUL]HGLQZULWLQJE$XGLR&RQWUROWRVHUYLFH
your LC7i,IDQRQHRWKHUWKDQ$RU%PHVVHVZLWKRXU/&i, that voids your warranty.
7KHZDUUDQWLVDOVRYRLGLIWKHVHULDOQXPEHULVDOWHUHGRU removed, or if the
LC7iKDVEHHQXVHGLPSURSHUO1RZWKDWPD
VRXQGOLNHDELJORRSKROHEXWKHUHLVDOOZHPHDQELW8QZDUUDQWHGDEXVHLV$SKVLFDOGDPDJHGRQ¶WXVHWKH/&i
for a car MDFN%LPSURSHUFRQQHFWLRQVYROWVLQWRWKHSRZHUMDFNFDQ
IUWKHSRRUWKLQJ&VDGLVWLFWKLQJV7KLVLVWKHEHVWSURGXFW
page 13
we know how to build, but if you mount it to the front bumper of
RXUFDUVRPHWKLQJZLOOJRZURQJ,IDQDXWKRUL]HG8QLWHG6WDWHV AudioControl dealer
installs the LC7iWKHZDUUDQWLV¿YHHDUV
$VVXPLQJRXFRQIRUPWRWKURXJKDQGLWUHDOOLVQ¶WDOOWKDW
KDUGWRGRZHJHWWKHRSWLRQRI¿[LQJRXUROGXQLWRUUHSODFLQJLW with a new one.
LEGALESE SECTION This is the only warranty given by AudioControl. This
warranty JLYHVRXVSHFL¿FOHJDOULJKWVWKDWYDUIURPVWDWHWRVWDWH3URPises of how well
the LC7i will perform are not implied by this
warUDQW2WKHUWKDQZKDWZHKDYHFRYHUHGLQWKLVZDUUDQWZHKDYH no obligation, express or
implied. Also, we will not be obligated for direct or indirect consequential
damage to your system caused by hooking up the LC7i. Failure to register
warranty information negates any service claims.
page 14
LC7i SPECIFICATIONS
$OOVSHFL¿FDWLRQVDUHPHDVXUHGDW9’&VWDQGDUGDXWRPRWLYHYROWDJH$VWHFKQRORJDGYDQFHV$XGLR&RQWUROUHVHUYHV
WKHULJKWWRFKDQJHRXUVSHFL¿FDWLRQVOLNHRXU3DFL¿F1RUWKZHVW weather although we are
working on it.
0D[LPXPVSHDNHUOHYHOLQSXW … 400 watts per channel at 4 ohms
0D[LPXPRXWSXWOHYHO…………………………………………….. 9UPV
2XWSXWJDLQ…………………………………………………………….G% Frequency response…………………………………………… +]N+]
Total harmonic distortion ……………………………………………..0.01% Input
Impedance…………………………………………………… .RKPV 2XWSXW,PSHGDQFH………………………………………………… 2KPV
Power supply…………………………+LJKKHDGURRP3:0VZLWFKLQJ Power draw
……………………………………………………………… P$ Recommended fuse rating…………………………………………..$PSV
Remote trigger max output current ………………………………. 1 Amp Size……………………………………………….
´:[´'[´+ Weight ………………………………………………………………………… OEV
Patent……………………………………………………………………… Pending
®
Making Good Sound Great
$XGLR&RQWURO,QF$OOULJKWVUHVHUYHG
$XGLR&RQWURO0DNLQJRRG6RXQGUHDW/&i$FFX%$66*72DQG$XWR0RGHDUH all trademarks of
AudioControl Inc. This manual was conceived, designed, and written
ZKLOHRQDURDGWKURXJKWKH3DFL¿F1RUWKZHVWRQDVSHFWDFXODUOUDUHVXQQDQGFORXGless day.
The top was down and we were banging our head to 80’s metal!
page 15
®
Making Good Sound Great WK$YHQXH:HVW 6HDWWOH:$86$
3KRQH)D[ www.audiocontrol.com
31