Crossfire VR is a virtual reality device that offers a truly immersive experience. With its high-resolution display and powerful graphics processor, you can enjoy games, movies, and other virtual content in stunning detail. The device is also equipped with a variety of sensors that track your head and hand movements, allowing you to interact with the virtual world in a natural and intuitive way. Whether you're exploring new worlds, battling enemies, or simply relaxing in a virtual environment, Crossfire VR is the perfect way to experience the future of entertainment.
Crossfire VR is a virtual reality device that offers a truly immersive experience. With its high-resolution display and powerful graphics processor, you can enjoy games, movies, and other virtual content in stunning detail. The device is also equipped with a variety of sensors that track your head and hand movements, allowing you to interact with the virtual world in a natural and intuitive way. Whether you're exploring new worlds, battling enemies, or simply relaxing in a virtual environment, Crossfire VR is the perfect way to experience the future of entertainment.
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e
l
In
p
u
t
s
VR142 VR202
VR302
VR402 VR602
VR1202
VR354
VR404 VR804
VR401 VR705D
VR300D
VR600D
VR1000D VR2000D VR705D
The quality of installation may affect the performance and reliability of your Crossfire product. If you have any doubts or questions regarding installation, you may
wish to contact your authorized Crossfire dealer. Remember to follow all wire and fuse requirements suggested in this manual. Warranty may void if proper
installation technique is not used (refer to warranty section in the rear of this manual).
IMPORTANT
Please read all instructions before installation!
Appropriate mounting is very important for prolonged life expectancy of any amplifier. Select a location of applicable space that allows sufficient airflow and
provides protection from moisture. Keep in mind that an amplifier should never be mounted upside down. Upside down mounting will compromise heat dissipation
through the heatsink and will engage the thermal protection circuit much sooner. Excessive heat can shorten your amplifier's life. To maximize heat dissipation, be
sure to leave at least 2.5 inches of clearance around the amplifier. Fans should be used in correspondence with an escape duct for heat when mounting the amplifier
in an enclosed or restricted area.
Avoid slipping and scratching your new Crossfire amplifier by pre-drilling the mounting holes with either a 1/8" or 3mm diameter drill bit when using the screws
supplied in the accessory kit. Always investigate the mounting area thoroughly for electrical wires, vacuum lines, and brake or fuel lines before you start to prevent any
MOUNTING
Heat is trapped inside the amplifier, shortening
the life of the electronic components.
x
Incorrect Mounting
LOW IN
R
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
HIGH IN
L R
CROSSOVER BOOST
Correct Mounting
O
Heat is lifted from the amplifier heatsink.
LOW IN
R
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
HIGH IN
L R
CROSSOVER BOOST
1
All Crossfire amplifiers are designed to work within 10.5 to 16 volts DC. Therefore, as a precaution, the vehicle's electrical system should be checked for correct voltage supply with the help of a voltmeter. First,
connect the test leads of the voltmeter to the battery terminals with the ignition of the vehicle in the off position. The voltmeter should read no less than 12 volts. Next, check voltage of the battery with the engine
running between 1500 and 2000 rpms. The voltmeter should now read between 13.5 and 14.5 volts. If your vehicle's electrical system is not up to these specifications, we recommend having it checked by an
automotive mechanic before you further the installation.
POWER WIRE AND FUSE
The proper wire size is very important for an amplifier capable of these power levels. The following are the minimum recommended fuse values and wire gauge for lengths up to 20ft.
MODEL: WIRE AWG FUSE MODEL: WIRE AWG FUSE
VR142 10 20 VR804 4 100
VR202 10 25 VR401 8 50
VR302 10 30 VR705D 4 100
VR402 8 40 VR300D 8 40
VR602 8 60 VR600D 8 60
VR1202 4 x 2 170 VR1000D 4 120
VR354 10 25 VR2000D 4 x 2 240
VR404 8 40
POWER
Power wires need to be connected directly to the battery using the wire requirements listed above. Never use the fuse box or any other wire as a source for the power for an amplifier. Before you start, choose the
easiest and safest path to run the wire from the battery to the amplifier. Generally, try to keep the power wire on the driver's side of the vehicle (See Signal Inputs & Outputs for explanation). Follow the rules below
for running the power cable through the vehicle:
1. Use grommets when passing the power wire through any metal wall of the vehicle.
2. Avoid sharp corners or sharp body parts that may easily cut through the insulation on the wire.
3. Avoid running the power wire over engine components and near heater cores.
4. Avoid the gas, brake and clutch pedals and their mechanisms.
5. Use an inline fuse at the battery to eliminate the risk of a fire caused by a short in your power wire.
6. Connect the fuse holder as close to the battery positive terminal as possible.
GR
OU
ND
The w
ire
u
s
ed f
o
r
g
roun
d
s
hou
ld
b
e
of
t
he
s
ame
g
auge
as
t
h
e
p
ow
er
wire
.
M
ak
e
s
ure
t
o
cho
os
e
a
d
iffere
nt
color (gen
e
rally
b
lack)
s
o
t
hat
y
ou
d
o no
t
rev
ers
e
t
he
p
olarit
y
a
t
t
he
amplif
ie
r
te
rm
in
a
l
s
.
Follow
t
he
rul
e
s
belo
w f
or
con
nec
t
ing
t
he
gro
u
nd
w
ire
p
rop
erly
:
1.
A
vo
id
using seat
b
olt
s
,
s
eat
belt
b
ol
t
s
,
and
f
end
er wells fo
r
gro
und
.
2.
C
h
oo
s
e
a met
al
area
clos
e
t
o
t
he
amplif
ie
r
t
h
a
t
ap
p
ears to
be a g
oo
d so
urc
e
of
g
rou
nd
,
s
u
c
h a
s
t
he
f
loo
r
.
3.
In
vestiga
t
e
t
he
a
rea
y
o
u
wish to
use
for electrical wires, v
a
cuum
lines
,
and
brake o
r
fu
el
lines
.
Direct
ions
fo
r
connect
ing
t
he
g
roun
d
w
ire
t
o
t
he
v
ehic
le:
1.
Fin
d a nu
t
and
b
olt
t
o
f
it
t
he
rin
g
te
rminal you have chosen.
2.
D
rill
a h
ole
just la
rge enoug
h
f
o
r
t
he
bolt to
f
it
t
hrou
g
h
at
t
he
s
ource
of g
roun
d.
3.
U
s
e either a
w
ire
b
rus
h or
s
andpaper to
elim
in
a
te
un
w
ant
ed
p
aint
around the ho
le
y
o
u
hav
e
drill
ed
,
do
ing
s
o
will supp
ly
a
b
et
t
e
r
conta
ct
f
or
your
g
roun
d.
4.
T
e
rminat
e
t
he
g
roun
d w
ire
t
o
t
he
ring
t
erm
inal
and atta
ch
it
t
o
t
he
bare metal using th
e
nut and b
o
lt
.
It
is
very impo
rt
ant
f
o
r
t
his
c
o
nnect
ion to b
e
s
o
lid.
5.
Spread silicon
ove
r
the s
c
rew
and
bare metal to
p
revent rust and possib
le
w
at
er
leak
s
.
R
EMOTE TU
R
N-ON
Bet
w
een t
he
po
we
r and
g
rou
nd
of
t
he
amplif
ier
is
a remote
t
urn-on
t
erm
in
a
l
.
This
t
erminal
must
b
e
conn
ec
t
ed
to
a
s
witched
+
12
volt
s
ource t
o
m
ak
e t
h
e
a
mp
lif
ier
ope
rat
ional.
T
ypica
lly,
remot
e t
urn-on
l
e
ad
s
are
pro
v
id
ed at the hea
d
unit
t
hat will turn
on a
n
d
o
f
f
t
h
e
amplif
ier
in
corres
po
nd
ence
w
it
h the sou
rce.
This means you will most lik
e
ly
have
t
o r
emov
e the
head unit
f
rom
t
he
dash to
f
ind
t
h
e s
o
urce
+
12V
o
ut
p
ut
w
ire.
Once
t
he
head
un
it
is
pu
lled
fro
m
the
dash,
f
ind
t
he
remot
e
t
urn
-
o
n
locat
ed
in
t
he
w
irin
g
harnes
s
of
t
he
head
unit.
The
majorit
y
of
vehicles
w
ill
b
e
using
an
af
t
er
mark
e
t
head
unit
w
hen
in
s
t
a
l
ling
an
af
t
er
mark
e
t
am
p
lif
ier
.
These
after ma
rket
head
un
it
s
gen
erally
use
a
blu
e
or
b
lu
e/
w
hit
e
c
o
lored
wir
e
as
t
he
re
mot
e
t
urn-on
lead
.
I
n
mos
t
cases
t
h
e
b
lue/w
hit
e
lead
is
us
ually
t
he
remote
turn o
n
lead.
H
ow
ev
er
,
when u
s
ing
a
f
ac
tory
ra
d
io,
t
he
po
w
er
an
t
enna
w
ire
may
b
e
use
d
as
a
t
urn-o
n
lead
.
Y
o
u
m
ust
f
irs
t
te
s
t
t
his
lea
d
t
o make
s
ure
t
hat
it
rem
ains
e
n
er
g
ized
reg
a
rd
les
s
o
f
t
h
e
s
ou
rce
t
he
head unit
is
s
witched t
o.
Th
e
ant
enna
lead
w
ill
energize
when
s
wit
c
hed
t
o
t
he
t
u
ner
mode,
b
ut
t
urn
o
f
f
w
hen
t
he
unit
is
s
w
itc
hed
t
o
t
ape/CD player
.
Only
if
a
lea
d
is
not
availabl
e
at
t
he
s
ou
rce,
a
s
witched
+
12
v
olt
s
u
pp
ly,
s
u
c
h
as
a
t
oggle
s
w
itc
h
s
h
oul
d
b
e
app
lied
.
Us
e
a
minimum
of
18-a
w
g
w
ire
t
o
connect
t
he
a
mp
lif
ier
t
o
this
lead.
C
o
nnect
t
his
lead
t
o
t
he
head
u
nit
us
ing
a
mat
ing
t
erminal
or
b
y
s
old
ering
t
h
e
t
h
ree
po
in
t
s
t
o
g
et
her
,
bu
t
be
s
ure
t
o
heat
s
hrink
t
he
conn
ec
t
ion. I
f
p
os
s
ib
le
run
t
his
w
ire
along
s
id
e
of the p
ow
er
w
ire
us
in
g
the s
ame
precaut
io
ns
.
2
Power Connections
At this
point,
the
power
,
gr
ound,
remote, and speaker
wires
should
be run
to the
general location of
wher
e
the
amplifier
is
to
be
mounted. If
the
wires
are to be hidden
under
the
carpet,
yo
u
n
ow
nee
d
to cut
a
slit
for
them
to
come
through.
To
do this,
place
the
amplifier
in
the
location
it
is
to
be
mount
ed
to
ve
rify
where
the
slits
need to
be.
Make
sure
that
there
will not
be
a
conflict
with t
he
m
ounting
of
the amplifier
and
the
wires.
P
ull
the
wires
t
hrough
t
he
s
li
t
t
o
t
he
term
inals
le
aving
a
p
prox
im
a
t
ely
6"
(150
m
m
)
of
s
la
c
k
a
nd
c
ut
t
he
wires
t
o
an
e
q
ua
l lengt
h.
Loc
ate t
he
spade
c
onnec
t
ors
s
upp
lied
w
ith
t
he
am
plif
ier
.
St
r
ip
a
p
prox
im
a
t
ely
1/
2
"
inc
h
(1
2m
m
)
of
insulat
ion
from
t
he
end
of
e
ac
h
w
ire
.
C
r
im
p
t
he
sp
ade
c
onnec
t
ors
ont
o
t
he
stripped
end
of
t
he
wire.
L
oos
en
t
he
t
erm
ina
l
screws
on
the
am
plif
ier
.
Inse
rt
t
he
w
ir
es
int
o
t
he
prop
er
term
inals
and
tig
ht
en
t
he
screws
secure
ly
.
Chec
k
your connec
t
ions by
giving
t
he
wires
a
slig
ht
tug.
NOTE
: N
ot
al
l
m
o
dels
have
scre
w
typ
e
c
onnec
to
rs
.
Ot
her
m
o
dels
us
e "Discre
t
e M
o
unt
"
connec
t
ors which require b
are
wire
insta
llat
ion
(no
c
onnec
to
r
ne
ed
e
d
).
CONNECTING THE WIRES
L
OAD
Please
be
aware
of
the
minimum
impedance
you
may
apply
to
your particular
model
amplifier
. See
chart
below
for
more
information.
Any
lower
im
peda
nc
e
than the minimum
c
an
send
the amplifier
into
c
urrent
protection
or
p
os
sibly
damage
the
circuitry
.
T
o
prevent
damage,
use
the
following
formulas
to
help you
figure out
the
load you
are
placing on
your
amplifier
.
If
you
have any
d
ifficult
ies,
please contact your local Crossfire dealer or
C
rossfire's T
echnical Assistance at (562)906-0800.
SPEAKER OUTPUT
WIRING
Always
choose
speaker wire
wisely
.
Make
sure that
the
wire
is appropriate
for
the
spea
ker
you
are
applying
it to.
It
is h
ighly
recommended
not
to
use
anyth
in
g
smaller
than 16awg.
Consult
your
dealer
.
As with
the
power wires, use caution around sharp corners or body parts that may easily cut through the insulation on the wire. If running into the
doo
rs, it is importan
t
to use a protective boot in the door jam to protect t
h
e wire
from being pinched as well as keeping water or moisture from entering the vehicle. Use the factory boots whenever possible.
As a precaution, always make
sure the wire is out
of the way of the window track or any
other
moving
parts.
T
o
connect
the
wire to
the
spea
ker
,
strip
off
approximately 1/2"
in
ch
(12mm) of
the
insulation and
te
rm
inate
the
wires
using insulated
speaker
terminals (not
supplied
)
or
by
soldering
the
connection to the loudspeaker
. Be sure that the polarity at the loudsp
eak
er is c
o
rrect.
P
ara
llel
Wi
ri
ng
Series
W
ir
i
ng
A x B
A + B
= R
Equation
A
B
R
A + B
= R
Equation
A
B
R
(A x B)(C x D)
(A + B) + (C + D)
P
ara
llel
Wi
ri
ng
, Du
al V
oice Coil
Series/P
ar
allel
W
iring
Dual
V
oice Coi
l
R
R
A
B
C
D
A
B
C
D
(A + B) x (C + D)
A + B + C + D
= R
Equation
=R
Equation
MODE L S T E R E O MONO MODE L S T E R E O MONO
V R -142 2 Ohm 4 Ohm V R -404 2 Ohm 4 Ohm
V R -202 2 Ohm 4 Ohm V R -804 2 Ohm 4 Ohm
V R -302 2 Ohm 4 Ohm V R -705D (F &R ) 2 Ohm 4 Ohm
V R -402 2 Ohm 4 Ohm (S ub) N/A 2 Ohm
V R -602 2 Ohm 4 Ohm V R -300D N/A 2 Ohm
V R -1202 2 Ohm 4 Ohm V R -600D N/A 1 Ohm
V R -401 N/A 2 Ohm V R -1000D N/A 1 Ohm
V R -354 2 Ohm 4 Ohm V R -2000D N/A 2 Ohm
T
hree
C
ha
nn
el
O
pe
rat
i
o
n
(st
ereo/m
o
no
)
M
on
o
B
l
ock
C
o
nf
i
gu
rat
i
o
n
O
nl
y
S
i
ng
l
e
C
h
ann
el
O
perat
i
on
(
b
r
i
dg
ed
)
M
O
D
E
L
S
V
R
1
4
2
V
R
2
0
2
V
R
3
0
2
V
R
4
0
2
V
R
6
0
2
V
R
1
2
0
2
WIRING DIAGRAMS
M
O
D
E
L
S
V
R
1
4
2
V
R
2
0
2
V
R
3
0
2
V
R
4
0
2
V
R
6
0
2
V
R
1
2
0
2
T
w
o
C
ha
nn
e
l
O
pe
r
ati
on
(st
ereo)
M
O
D
E
L
V
R
4
0
1
M
O
D
E
L
S
V
R
1
4
2
V
R
2
0
2
V
R
3
0
2
V
R
4
0
2
V
R
6
0
2
V
R
1
2
0
2
L
R
BR ID GE D
FU S E
FU S E
+12V R E M G ND
PO WE R
SP E AK E R
-
+
-
+
L
R
BR ID GE D
FU S EFU S E
+12V R E M G ND
PO WE R
SP E AK E R
-
+
-
+
-
+
-
+
L
R
BR ID GE D
FU S EFU S E
+12V R E M G ND
PO WE R
SP E AK E R
FU S E
FU S E
+12V R E M G ND
PO WE R
SP E AK E R
FU S E
FU S E
+12V R E M G ND
PO WE R
SP E AK E R
Both speakers have single 4ohm
voice coils and one speaker is
connected to each terminal, yet the
amplifier sees 2ohms.
Both speakers have single 4ohm
voice coils and are connected in
parallel to one terminal, yet the
amplifier sees 2ohms.
3
M
OD
E
L
S
V
R
3
0
0
D
V
R
6
0
0
D
V
R
1
0
0
0
D
V
R
2
0
0
0
D
M
O
D
E
L
S
V
R
3
5
4
V
R
4
0
4
V
R
8
0
4
Mono Block Configuration (cont)
F
o
u
r
Ch
an
nel Operation (stereo)
M
O
D
E
L
V
R
7
0
5
D
M
O
D
E
L
S
V
R
3
5
4
V
R
4
0
4
V
R
8
0
4
Three Channel Operat
ion (m
o
n
o)
Three Cha
n
ne
l Operation (stereo & mono)
WIRING DIAGRAMS CONTINUED
L
R
BR I DGE D
L
R
BR I DGE D
+12V R E M G ND
P OW ERR E AR F RO NT
F US E
F US E
L
R
BR IDG E D
L
R
BR IDG E D
+12V GN D
PO WE RR E ARS UB FR ON T
R E M
PW R
PR T
L
R
BR I DGE D
L
R
BR I DGE D
+12V R E M G ND
P OW ERR E AR F RO NT
F US E F US E
+
+
-
SP E AK E R
PO WE R
+12 RE M
GN D
PW R
PR T
-
+
+
+
+
+
-
SP E AK E R
PO WE R
+12 RE M
GN D
PW R
PR T
-
-
-
-
-
+
+
+
+
-
-
-
-
Both speakers have dual 4ohm
voice coils, all four coils are
paralleled and connected to one
terminal, yet the amplifier sees
1ohm.
Both speakers have dual 4ohm
voice coils, the coils are
paralleled and one speaker is
connected to each terminal, yet
the amplifier sees 1ohm.
CR
OS
SO
VER
On
th
e
s
i
de
pane
l
of
you
r
a
m
plif
i
e
r
is
a
pot
e
nt
i
om
e
te
r
m
a
rk
e
d
50Hz
-
1
5
0
Hz or on
som
e
mo
de
l
s
i
t
is
m
a
rk
e
d 5
0
Hz-2
5
0
Hz.
T
hi
s
controls
t
he
re
l
a
t
i
ve
cr
oss
o
v
e
r
point
fo
r
th
e
a
m
pl
ifi
e
r
.
T
o
a
pp
l
y
th
e
cr
ossover
fe
a
tu
re
,
l
ocat
e
th
e
swi
t
c
h
o
n
th
e
s
a
m
e
s
i
de
pa
nel
th
a
t
re
a
ds
HPF/F
ul
l
/L
PF.
F
or highpas
s
a
ppl
ic
a
tions,
such
a
s
c
om
po
ne
n
t
sets
or
c
o
a
xi
a
l
s,
choo
s
e
HPF
.
F
or
l
ow
pa
ss
a
pplicat
i
on
s
,
s
u
c
h
a
s
s
u
bwo
of
e
rs,
c
h
oo
se
L
PF
.
If
y
o
u
a
re
l
oo
ki
ng
f
o
r a
f
ul
l
ra
n
ge
appl
i
c
a
tion, place the swi
tc
h
on
F
UL
L
.
No
te
t
ha
t
fu
l
l
w
i
l
l
o
v
e
rride th
e
c
rossover com
pl
e
te
l
y
.
No
te: All fo
ur c
h
a
nn
e
l
a
m
pl
ifi
e
rs ha
v
e
t
wo
set
s of
c
ross
ove
r controls, on
e
f
or t
he fron
t
c
h
a
nnel
s a
nd
o
ne
fo
r th
e
re
a
r c
h
a
nnel
s
.
L
is
te
d b
e
l
o
w
a
r
e
re
commend
e
d cross
o
v
e
r points f
or
v
a
rio
u
s
s
iz
e
spe
a
kers. These
a
re
on
l
y gu
i
de
l
i
ne
s. Ac
tu
a
l
cross
ove
r po
i
nt
s re
c
omme
n
de
d
by
th
e
s
peaker m
a
nu
fa
cture
r
s m
a
y vary
.
Speaker
s
i
ze
Crossover
recommen
da
tion
4
" (1
0
0
m
m) com
po
ne
n
t/c
o
a
xi
a
l
HPF
1
3
0
H
z
- 1
5
0
Hz
5
.25" (1
30
m
m
)
com
pon
e
nt
/coaxial
HPF
8
0
Hz -
1
1
0
Hz
6
" (1
6
0
m
m) com
po
ne
n
t/c
o
a
xi
a
l
HPF
7
0
Hz -
1
0
0
Hz
8
" (2
0
0
m
m) w
o
of
e
r
L
PF
9
0
H
z
- 1
2
0
Hz
1
0
" (2
5
0
m
m
)
s
u
bwo
of
e
r
L
PF 70H
z
- 1
0
0
Hz
1
2
" (3
0
0
m
m
)
s
u
bwo
of
e
r
L
PF 70H
z
- 1
0
0
Hz
1
5
" (3
8
0
m
m
)
s
u
bwo
of
e
r
L
PF 50H
z
- 8
0
Hz
B
OOS
T
If
you
r
sy
s
t
e
m
is
l
a
c
k
i
ng
l
ow
bass
respon
se
,
l
ocat
e
th
e
b
oost
s
w
i
tch
next
to
th
e
c
ross
ove
r
.
B
y
pl
a
c
ing
th
i
s
s
w
i
tch
in
th
e
"ON
"
posi
tion,
6
dB
o
f
boo
st
c
e
nt
e
red
a
rou
nd
4
5
Hz wi
l
l
be
a
dded.
In
th
e
"OFF"
positio
n
no
boo
st i
s
a
dded
to
t
he
ou
tpu
t
si
gn
a
l
.
T
hi
s
bo
os
t
s
w
i
tch
i
s
a
vail
a
bl
e
on
spe
c
i
fic
m
ode
l
s
on
l
y
.
Pl
e
a
se
se
e
speci
f
i
cation
c
har
t
fo
r
verifi
c
a
ti
o
n.
Crossfir
e
highly
re
c
omme
nd
s
usi
n
g
th
is
fe
a
tu
re
o
nl
y
on
a
m
p
l
ifi
e
rs
p
ow
e
ri
ng
subw
o
of
e
rs.
PREAMP F
EATURES
The V R 401, VR 300D, VR 600D, VR 1000D and VR 2000D are s ingle channel amplifiers. Unlike most C rossfire amplifiers, thes e operate as single channel, therefore one amplifier c annot be bridged by its elf.
Do not be fooled by the two sets of speaker outputs . Two outputs are provided s triclty for convenience and are paralleled internally on the circuit board of the amplifier. This means that if both outputs are used with
one driver each, the amplifier s ees the same load as if the same two drivers are connected to only one output terminal.
4
SIGNAL INPUTS
Getting a clear signal from the head unit to the amplifier is very important. To achieve this, the proper signal cables (RCA style) must be used. Estimate the length of the cables necessary. Take note that signal
cable manufacturers will probably not have the exact length necessary for your vehicle. If you are between sizes, purchase the slightly longer cable. You can always hide the extra wire.
Be aware of the differences in cable. Better RCA's usually have multiple layers of shielding and/or twisted pair wiring for better noise rejection. Ask your local dealer for his recommendation.
LINE LEVEL INPUTS
Car environments are notorious for poorly insulated wires. This means that hiss, engine noise, and electrical noise can easily be picked up through RCA cables if run incorrectly. To avoid inducing noise into the
system, run the RCA's away from large wire looms and electric fans if possible. And always make sure to position your signal cables away from the power wire, preferably on the opposite side of the vehicle. As
with the power wire, use caution around sharp corners or body parts that may easily cut through the cables.
When connecting the signal cables, check the balance to the source unit and the amplifier. The cables should be marked: red is right and black or white is usually left. Once you have connected the signal cables
to the head unit, slide the unit back into the dash. Make sure the unit is in securely.
A proprietary feature to the four channel amplifiers including the VR705D is a "Combining" switch located underneath the amplifier. With this switch set to the "2CH" position allows you to only feed the "Front" inputs
an audio signal, but still use all four output channels with independent gain controls. This is a great convenience factor if the headunit you are using only has a single pre-amp output.
Separate to the VR705D only is a "Sub Input" selector switch. With this switch positioned to "CH 1-4" the fifth channel will sum to the signal input of "CH 1-4". Please see diagram on PG-8 for more information. Or if
you have any doubts please call your authorized Crossfire dealer or contact Crossfire directly at (562) 906-0800
HIGH LEVEL INPUTS
Select models have "High level Inputs" marked "High In". Use these inputs only if your current head unit does not have low level outputs. These inputs may be tapped to the closest left and right speaker wires
available. Please see diagram on PG-8.
LEVEL CONTROL
Next to the preamp inputs on the side panel of the amplifier is the level control, commonly referred to as the gain. The gain allows you to match the output level of your source unit or signal processor to the input
level of the amplifier. Matching the input can be accomplished in three simple steps:
1. Turn gain (level) control to minimum.
2. Turn on the source unit and adjust to 2/3 of max volume while playing music.
3. Adjust the gain control until desired, maximum volume is achieved without audible distortion.
Remember that the gain control is not a volume knob. Ignoring the three steps above may leave you with damaged speakers and possibly a damaged amplifier(s).
5
Low
L
evel Inputs
Hig
h L
eve
l
Inputs
MODEL
S
VR
1
4
2
V
R2
0
2
VR
3
0
2
VR
4
0
1
V
R3
0
0
D
T
a
p
t
o
S
o
u
r
c
e
S
p
e
a
k
e
r
Ou
t
p
u
t
+
-
+
-
L
e
ft
le
a
d
R
igh
t
le
a
d
LOW IN
R
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
HIGH IN
L R
CROSSOVER BOOST
MODEL
S
VR
3
5
4
V
R4
0
4
VR
8
0
4
+
-
+
-
L
e
ft
le
a
d
R
igh
t
le
a
d
T
a
p
to So
u
r
c
e
S
p
e
a
k
e
r
Ou
t
p
u
t
+
-
+
-
L
e
ft
le
a
d
R
igh
t
le
a
d
LOW IN
R
L
LEVEL
HPF FULL LPF
FREQ
LEVEL
FREQ
HPF FULL LPF
POWER
LOW IN
50Hz 150Hz
50Hz 150Hz
R
L
HIGH IN
L R
HIGH IN
L R
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
t
p
u
t
AL
L
2
CH.
M
ODE
LS
LOW IN
R
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
HIGH IN
L R
CROSSOVER BOOST
70
5
D
4 Cha
n
ne
l
I
np
ut
wi
t
h Sub
S UB INP UT
LE V EL
HP F F UL L
LE V EL
S UB
LO W I NLO W I N
50 25 0
(Hz )
CR O S S
OV E R
FR ON T
LE V EL
HP F F UL L
E XT IN T
20 50
(Hz )
S UB
S ONI C
20 50
(Hz )
LP F
R EA R
R
L
R
L
R
L
R EM OT E
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
t
p
u
t
S
u
b
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
t
p
u
t
F
r
o
n
t
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
t
p
u
t
R
e
a
r
2ch 4ch
Input Selector Switch
(located on the bottom of the amp)
EXT INT
Sub Input Selector Switch
70
5
D
2 Cha
nn
el
I
np
u
t
2Ch 4Ch
Input Selector Switch
(located on the bottom of the amp)
S UB INP UT
LE V EL
HP F F UL L
LE V EL
S UB
LO W I NLO W I N
50 25 0
(Hz )
CR O S S
OV E R
FR ON T
LE V EL
HP F F UL L
E XT IN T
20 50
(Hz )
S UB
S ONI C
20 50
(Hz )
LP F
R EA R
R
L
R
L
R
L
R EM OT E
C
o
n
n
e
c
t
to
S
o
u
r
c
e
O
u
t
p
u
t
EXT INT
Sub Input Selector Switch
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
tp
u
t
F
r
o
n
t
AL
L
4
CH.
M
ODEL
S
LOW IN
R
L
LEVEL
HPF FULL LPF
FREQ
LEVEL
FREQ
HPF FULL LPF
POWER
LOW IN
50Hz 150Hz
50Hz 150Hz
R
L
HIGH IN
L R
HIGH IN
L R
2ch 4ch
Input Selector Switch
(located on the bottom of the amp)
70
5
D
2 Cha
n
ne
l
I
np
ut
wi
t
h Sub
2ch 4ch
Input Selector Switch
(located on the bottom of the amp)
S UB INP UT
LE V EL
HP F F UL L
LE V EL
S UB
LO W I NLO W I N
50 25 0
(Hz )
CR O S S
OV E R
FR ON T
LE V EL
HP F F UL L
E XT IN T
20 50
(Hz )
S UB
S ONI C
20 50
(Hz )
LP F
R EA R
R
L
R
L
R
L
R EM OT E
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
tp
u
t
F
r
o
n
t
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
t
p
u
t
R
e
a
r
/
S
u
b
EXT INT
Sub Input Selector Switch
AL
L
4
CH.
M
ODEL
S
LOW IN
R
L
LEVEL
HPF FULL LPF
FREQ
LEVEL
FREQ
HPF FULL LPF
POWER
LOW IN
50Hz 150Hz
50Hz 150Hz
R
L
HIGH IN
L R
HIGH IN
L R
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
tp
u
t
F
r
o
n
t
C
o
n
n
e
c
t
t
o
S
o
u
r
c
e
O
u
t
p
u
t
R
e
a
r
2ch 4ch
Input Selector Switch
(located on the bottom of the amp)
"Strapping" T
wo VR-600Ds or T
w
o VR-1000Ds
Bridging the two
like
amplifiers
together
is fairly
easy
.
Study
the following
instructions
as
well
as
the diagrams
on
PG-10
to
assure
proper
co
nnections.
If
you
expe
rience
any
difficulties,
please
contact
Cross
fire's
Technical Assist
ance at 56
2-906-0800.
BRIDGING CIRCUIT (Invert output)
The
i
n
ternal
bridging module
can
only
be
used
when
a
pair of
either
VR1000Ds or
VR600Ds
are
used.
Bridging
allows
for
the two
amplifiers
to
be
ru
n
in
series and
achieve
double
the
output
into
one
load.
However
,
this does change the minimum impedance stability to 2ohms
. Bridg
ing the amplifiers should
on
ly be done if
the
proper
impedance cannot
be ac
hieved
with the amplifiers separated.
It is very important to s
et
the Master/Slave co
ntro
l on the a
m
plifier whether you
ar
e using the bridg
i
ng module or not.
If the
settings are in the wro
ng p
osition, the amplifier
(s
) may not w
ork.
There are three setti
ngs for this control: Master 0, Master 180, Slave. Use the following to determine what position to set your amplifier(s) in. F
or further reference, please review the drawings following.
Master
0: this setti
ng will maint
ai
n the s
ame phase
as
th
e signal applied to it.
1. Us
e this setting
if the amp
lifier i
s not bridged with another amplifier
.
2. When bridging the amplifiers, use this setting only on the amplifier that is connected to the h
ead un
it.
Master 180: this setting will reverse the phase 180 degrees of the signal input into t
he amp
lifier.
1. Use this setting if the amplifier is not bridged
with
another amplif
i
er and
the subwoofer(s) are out of phase with the satellite speakers in t
he ve
hicle.
2. When bridging the amplifiers
, use this setti
ng only on the amp
li
fier th
at is conne
cted to th
e head
unit.
Only apply
this if the
subwoo
f
er(s) are out of phase
with
the satellite sp
eakers
i
n the vehicle.
Slave: this setting
lim
its the
controls of the secondary amplifier in a bridged pair
.
1.
Use
this
setting
only
on
the
second
amplifier
i
n a
bridged
pair
.
All crossover
,
subsonic
and
level
controls
of
this
amplifier
will
be
by
pass
ed.
The
amplifier
set
on
one
o
f
the
two
Master
settings will
then
control
each
of the preamp functions for both amplifiers.
SUB
SONI
C FIL
TER
The
subsonic f
ilter
is
used
to r
educe
the
amount
of
low
freq
uency harmonics
and/or subsonic
noise
picked
up
in audio
systems.
Both
of
these
can
be
damaging
to subwoofers
and
possibly
the
amplifier(s).
As well,
harmonics and subsonic noise can cause t
he amplifier
(s) to
pull ex
cess power from y
our electrical system.
This
filter
is
switch
able,
ON/OFF
,
and
vari
able
from 20Hz to
50Hz.
The
subsonic
filter
i
s
sw
i
tchable
as every
system is
different.
F
or
most
people
i
t
is desirable
to
have
the
filte
r
ON.
However
,
if
you
have
an
outright
SPL system, it may be beneficial to turn OFF the subsonic filter because harmonics can actually i
ncrease the sound pres
su
r
e in many cas
es.
So
what
frequency should
yo
u
set
the
subsonic
filter
a
t?
F
or
most applications
it
is
desirable
to
leave
this
bet
ween
20Hz
and
30Hz. If you
are using
a ported
enclosure
design
ed
for SPL
,
yet
you
are
using
the
system on a daily basis, a higher filter frequency may be desired. This will allo
w the enclosure to be tuned higher and reduce the chance of the woofer to becoming non-linear and destroying
i
tself
.
L
IN
E
LEV
E
L O
UTPU
TS
T
h
e
lin
e
level
o
utpu
t
is
t
o
be
us
ed
as
an
easy so
lution
to
lin
k
mu
ltiple
amplifier
s
toge
th
er
w
i
t
h
ou
t
th
e
u
se
o
f
pr
oble
matic
RC
A
y-c
ables. T
h
e
sign
al
is
bu
ffere
d
so
that
th
e
re
is
min
imal
loss.
Please
n
ote
that
the
sig
n
al
passin
g
th
r
ou
gh these out
pu
t
s i
s
af
fec
ted
b
y t
he gain
c
on
tr
ol of th
e amplifier
.
6
LO W IN
R
L
LE V E L
HP F FU LL LP F
OF F O N
MA S TE R
IN
OUT
INVE R T
SUB
S ON IC
50 250
LP F
LI NE OU T
R E MOT E
C ROS S
O VE R
S LAV E 0 180
F
r
o
m
S
o
u
r
c
e
A
l
l
P
r
e
a
m
p
f
unc
t
i
o
ns
of
t
he
s
l
a
v
e
a
m
pl
i
f
i
e
r
a
r
e
non-
f
unc
t
i
ona
l
.
The
M
a
s
t
e
r
a
m
pl
i
f
i
e
r
c
ont
r
ol
s
a
l
l
l
e
v
e
l
a
nd
c
r
os
s
ov
e
r
f
unc
t
i
ons
.
M
A
S
TE
R
A
m
pl
i
f
i
e
r
S
la
v
e
A
m
p
l
if
ie
r
M
A
S T
E R
A
m
p
l
i
f
i
e
r
S
L
A
V
E
A
m
p
l
i
f
i
e
r
Bridge Settings and W
iring
"
Pr
e
a
m
p
S
e
t
t
i
n
g
s
"
"
B
r
i
d
g
e
W
i
r
i
n
g
"
I
t is ve
ry
import
a
nt
that
a
ne
ga
t
ive
of e
a
c
h
a
mplifier
is
con
ne
ct
e
d a
s
shown
LO W IN
R
L
LE V E L
HP F FU LL LP F
OF F O N
MA S TE R
IN
OUT
INVE R T
SUB
S ON IC
50 250
LP F
LI NE OU T
R E MOT E
C ROS S
O VE R
S LAV E 0 180
M
u
s
t
b
e
s
e
t
t
o
M
a
s
t
e
r
0
o
r
1
8
0
D
o
n
o
t
u
s
e
t
h
i
s
s
e
c
t
i
o
n
+
+
-
S PE A KE R
P OWE R
+12
R E M
G ND
P WR
P RT
-
+
+
-
S PE A KE R
P OWE R
+12 R E M
G ND
P WR
P RT
-
M
u
s
t
b
e
s
e
t
t
o
S
l
a
v
e
-
+
-
1
-
2
-
3
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4
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Crossfire VR is a virtual reality device that offers a truly immersive experience. With its high-resolution display and powerful graphics processor, you can enjoy games, movies, and other virtual content in stunning detail. The device is also equipped with a variety of sensors that track your head and hand movements, allowing you to interact with the virtual world in a natural and intuitive way. Whether you're exploring new worlds, battling enemies, or simply relaxing in a virtual environment, Crossfire VR is the perfect way to experience the future of entertainment.
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