BOSSCO IQ3KD.1 User manual

a
-
WS 1
v
Congratulations oi your pd'rchare of a D655* ftudlo Systehs IQ
IQ class-D amplifiers are designed, and engineered in the USA to the hlghes
quality, and will afford you years of listening enjoyment.
The Pmer Supply incorporated into fQ dass-D amplifier [$ a U€ to DC witchi
supply designed to have *me headmorn for even the most Dqmandbg
dynamic range found CMI t&&s Cda and reccrrdiig.
-
.,*, -
I.
Thank you for making 8@d hdii %tern yourChola for car audio eqMj~m~$Qfl
- '- ' L

z
eag
n
Ega'
2
2%~
8
3a-o_
a
g~3
g -.
a-g
"
~~32.
""P
p
3
%?

m:
The amplifier may receive it's
output
input signal from a head unit or signal pmessof s

a
m
-d-mw. t~?,+pG&3,~a: ,IT!
theck f~&grwadc-1.1 .:)!,I I ::: 1-7. ~I.,.,I+:
me& thr W&@@ :*-I-* gpl
amktha tke 1s b;lttcry p-r on the + br&Mm i.1 ;1*~*::r:;*0.7 b':i, .11':4;;1
Cbck dl f~se. ,~:~.J,~~~I:: if. y-, 1)~,>111 ,, ' ,8,-m I ~r]: . J 51, m<lryc ?:I: :.I:
CheckthatProzeaZsntEDknotIk ...,,.,. mL,i :8 :+ +., -
bf it is lit, shut off mpIifkr briefly and then repower tt.
Rac.ctbnr UIR*~--&
Check for short circults on speaker leads.
Turn down the voturnt control on the head unit to prwe
Remove sW#r S@$I pad-reset &&mplifiea.
If the Protection ED still yms, a& then $hempllfle~.ls
-
.- -..a)!-< - ,.b '
, , - .i'* ' . . ..I .;,
IYo orrtprt.
- *.
I ,, b:.:ll A <I>-,
Check that all fuese are OK.
Check that amplifier is properlt ground&,
Check that Remote Input burn-on) at arnpllflcr
Check that RCA patch cords are plugged into correct inputs.
1
Check speaker wiring. -
: .'. . .
. .
Low orrtprt.
Reset Level Control.
Check Crossover Control settfngs. -.
.
Only one chamel works, ., . ,
Check RCA Interconnect cables,
Check speaker wirins
L

DSsconnect all RCA inputs to the ampliRerIs)-if hiss dtsappears, then plug In the
c~ortmt driving the amplifier-and uaplug its inpwts. ~lf .hjss8 d-, gp orr
unUl the faulty/noisy component is bud.
R is best to set the amplifier'$ input 1weI as lnsensttivc as pussib!@.
The best subjective S/N ratlo is obtatnable this way.
', J
~y..ulII.I#fnr..y&.rrr.
:>,,I .x
3'; all e
he minimum speaker impedance for tha.
that there f iplifie
S.
Check that the sp
Check that the RCA~
Check that the head