S550.1D
S850.1D
S1300.1D
S2000.1D
FEATURES
l DO UBLE SIDE P CB AN D SMD COMPO NE NTS.
l FU LL MO SFET DE SI GN.
l LP F AND SUBSON IC C ROSSOVE R.
l AD JUSTAB LE B ASSBOOS T LEVEL.
l AC TIVE X-OV ER F UNCTION .
l HE AVY-DUTY ALUMINUM ALL OY HEATSINK.
l HI GH (Speak er ) OR LOW (RCA ) LE VEL INPUTS.
l OV ERLOAD, O VE RHEAT, HIG H/ LOW VOLTAGE PROT EC TION.
l RO HS COMPLI AN T.
CONTROL FUNCTIONS
1. SPE AKERS
Connect spe akers/sub woofers to th ese termina ls. Be sure t o ch eck wire fo r pr oper
polarity. Never con ne ct the spea ke r cables to c ha ssis grou nd .
2. +12 Volt Power
Connect th is termi na l throug h a FUSE o r C IRCUIT BREAKER t o the pos it ive term inal of
the vehicle b attery or the p ositive ter minal of an iso lated audio s ystem batte ry.
War ning: Alway s p ro tect this po wer cable b y i nstalling a fuse or circ ui t breaker o f t he
appropria te size withi n 18 inches (45 cm) of the batt ery termina l connectio n.
3.Remote Turn On
This t erminal tur ns on th e am pl ifier when ( +)12 v olt is applied to it . Con nect it to the
remote tu rn o n lead of the hea d unit or signa l source.
4.GN D
Connect t his cable d irectly to the f rame of the ve hicle. Ma ke sure the metal fr am e has
been stripped of al l pa int down to the bare m etal. Use the short es t di stance possib le. It is
always a g ood i dea to r eplace the factor y gro un d a t thi s t im e w it h a larg er ca ble e qual to th e
new am plifier power c able o r la rger. C AUTION: Do not conn ec t th is terminal directly to the
vehicle bat tery ground t erminal or an y other facto ry ground poi nts.
5. RCA in put jacks
These RCA in put jacks are f or u se with sourc e un its that ha ve R CA ou tputs. A so urce unit
with a min im um le vel of 200mV is required for proper opera ti on. The use of high quali ty
twisted pa ir cab le s is re co mmended to decre as e the p os sibilit y of radi at ed noi se enterin g the
system.
6. Hig h level input s
The hi gh level i nputs are fo r use with speaker lev el wiring. Some source units do no t
have RC A o utputs, so use t his ter mi nal for speaker level s ig nal inp ut . CAUTI ON : Never use
high level in put when RCA inp uts availab le.
CONTROL FUNCTIONS
7. REM OTE
Connect th e remote controlle r to cont ro l the sub wo ofer amp lifier vol ume from th e driver
seat locati on, for ease of a djustment d uring playi ng.
8. LEV EL Control
The level contr ol wi ll match the amplifi ers sensitiv ity t o t he source units si gn al voltage.
The Operati ng range is 200 mV minimum to 5 V maximum. This is NOT a v olume con tr ol!
9. Low P ass Filter Co ntrol
This con tr ol is use d t o select th e desire d l ow pass x -o ver freq ue ncy. The freque ncy can
be adjusted f rom 40Hz to 220 Hz for all bass m ono models.
10. Su bsonic Filt er Control
This cont ro l can filte r ou t unwante d low frequen cy from 10Hz (O FF) to 50Hz . This
function wi ll increase t he power hand ling of your wo ofers.
11. Bass Boost Level switch
This switc h can boost ba ss level by 0dB, 6dB or 12 dB. Th e b oost fre qu ency is c en tered
at 50Hz.
12. Po wer Indicat or
This LED will l ight up when am plifier wor ks properly.
13. Pr otection In dicator
The red LED will li ght up or be flashi ng if there i s a fault pre sented t o the amplif ier.
Please disc onnect the am plifier and r esolve the fa ult before re connectin g the amplifi er.
PANEL LAYOUT
Fig 1. S550 .1 D/S850. 1D /S1300.1D /S2000.1D P anel layout
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7 11
865
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