
Pole Moun ting :This serie s also include a pole mount option. The
pole moun t socket located o n the bottom of the sp eaker may be 
used to sec ure the speaker to a s peaker tripod. Al ways be sure to 
fellow th e guidelines lis ted be blow when pol e mounting your sp eaker.
 1. Always be s ure the stand is des igned to support t he weight of the 
   speaker
 2.In outd oor situations t hat are prone to win dy conditions and strong 
   wind gust , b e sure to use sandba gs as additional t ripod support , 
   this will g reatly reduce th e risk of tipping
 3.Do not st ack speakers on to p of each other when mounting on a 
   tripod. O nly one speaker sh ould be mounted to a tripod at one time
 4.Alway s position the tri pod legs away from f oot traffic
 5.Exten d the tripod legs to t heir fully extended position to avoid 
   acciden tal tipping
 6.Obser ve and follow all sa fety guideline s and regulation s specified 
  by the trip od manufacture r
7.Be sure t he tripod is situa ted on a flat ,level , and stable surface
8.Alway s tighten all trip od locks
CS-2490
OWNER`S MANUAL
Distrib uted by: 
TechBrand s by Electus Distr ibution Pty.L td. 
320 Victoria Rd, Rydalmere 
NSW 2116 Austral ia
Ph: 1300 73 8 555 
Int`1: +6 1 2 8832 3200 
Fax: 1300 7 38 500 
www.tech brands.com
 

IMPORTANT SAFETY SYMBOLS
Use only with the cart, stand, tripod, bracket, 
CAUTION
RIS K OF ELEC TRIC SH OCK
DO NO T OPEN
The symbol is used to indicate that some hazardous live terminals are involved within this apparatus, even 
under the normal operating conditions, which may be sufficient to constitute the risk of electric shock or 
death.
The symbol is used in the service documentation to indicate that specific component shall be replaced 
only by the component specified in that documentation for safety reasons.
Protective grounding terminal
or table specified by the manufacturer, or 
sold with the apparatus. When a cart is used, 
use caution when moving the cart/apparatus 
combination to avoid injury from tip-over.
Rigging and Mounting Options
Rigging P oints : This series speakers include four rigging points.
These poi nts are de tailed o n page six . The rigging points are 
used to fly o r suspen d the spea ker in the a ir by some m eans.
Alternating current/voltage
Hazardous live terminal
WARNING: Describes precautions that should be observed to prevent the danger of injury or death to the operator.
CAUTION: Describes precautions that should be observed to prevent danger of the apparatus.
ON: Denotes the apparatus is turned on
OFF: Denotes the apparatus is turned off.
°
1. IMPORTANT SAFETY INSTRUCTIONS
·Read these instructions.
·Keep these instructions.
·Heed all warning.
·Follow all instructions.
·Water & Moisture
The apparatus should be protected from moisture and 
rain, can not used near water, for example: near bathtub, kitchen sink or a swimming pool, etc.
·Heat
The apparatus should be located away from the heat 
source such as radiators, stoves or other appliances 
that produce heat.
·Ventilation
Do not block areas of ventilation opening. Failure to 
do could result in fire. Always install accordance with 
the manufacturer's instructions.
·Object and Liquid Entry
Objects do not fall into and liquids are not spilled into 
the inside of the apparatus for safety.
·Power Cord and Plug
Protect the power cord from being walked on or pinched  
particularly at plugs, convenience receptacles, and the 
point where they exit from the apparatus. 
Do not defeat the safety purpose of the polarized or 
grounding-type plug. A polarized plug has two blades 
with one wider than the other. A grounding type plug 
has two blades and a third grounding prong. The wide 
blade or the third prong is provided for your safety. 
If the provided plug does not fit into your outlet, refer 
to electrician for replacement.
·Power Supply
The apparatus should be connected to the power supply 
only of the type as marked on the apparatus or described 
in the manual. Failure to do could result in damage to the 
product and possibly the user. 
Unplug this apparatus during lightning storms or when 
unused for long periods of time.
Where the MAINS plug or an appliance coupler is used as 
the disconnect device, the disconnect device shall remain 
readily operable.
·Fuse
To prevent the risk of fire and damaging the unit, please 
use only of the recommended fuse type as described in 
the manual. Before replacing the fuse, make sure the unit 
turned off and disconnected from the AC outlet.
·Electrical Connection
Improper electrical wiring may invalidate the product warranty.
·Cleaning
Clean only with a dry cloth. Do not use any solvents such 
as benzol or alcohol.
·Servicing
Do not implement any servicing other than those means 
described in the manual. Refer all servicing to qualified 
service personnel only.
·Only use accessories/attachments or parts recommended 
by the manufacturer.
6
Owner`s Manual
1
 

Main Features
Typical speaker output setup 
XLR-XLR ba la nc ed c ab le s
XLR-XLR ba la nc ed c ab le s
TAPE IN
EFF SEND
EFF RETURN 
MIC
MIC
CS-2490
MIC 
BAL IN
BAL IN
BAL IN
2
1
250W
BAL 
 OR
UNBAL
LINE IN
LINE IN
LO - CUT LO - CUT
100Hz 100Hz
8 ohms
GAIN
GAIN
 0 
 0 
-60-20
-60-20
HIGH
HIGH
 0 
 0 
+15-15
+15-15
96dB
MID
MID
 0 
 0 
+15-15
+15-15
LOW
LOW
 0 
 0 
+15-15
+15-15
MON
MON
 0 
 0 
90  H x 60  V
 0 
 0 
EFF
EFF
 0 
 0 
 0 
 0 
PAN
PAN
 0 
 0 
2.5KHz
RL
RL
VOL
VOL
 0 
 0 
 0 
FB1203
1 2
1
L                                         R
L L
R R
BAL 
 OR
STEREO LINE IN 3/4
UNBAL
GAIN
 0 
HIGH
 0 
MID
 0 
LOW
 0 
MON
 0 
EFF
 0 
PAN
 0 
VOL
 0 
MON OUT
IN
L
R
MAIN OUT
BAL
L
R
TAPE OUT
 OR
INSERT
UNBAL
L
L
R
R
ROOM/PHONESSTEREO LINE IN 5/6
DIGITAL EFF ECT 
GAIN
 0 
 0 
+15-15
+15-15
+15-15
 0 
 0 
RL
 0 
3/4
UP
 0 
DOWN
HIGH
. . .
mS
 0 
PROGRAM 
12 - 196mS
+15-15
MID
 0 
+15-15
METER
LOW
TAPE
L   
R
PH
dB
 0 
 0 
7
4
 0 
+15-15
2
RETURN
MON
 0 
 0 
0
EFF
-2
-4
 0 
 0 
MON
EFF
-7
 0 
 0 
-10
-20
 0 
 0 
+15 -15
DC
PAN
 0 
SELECT
MAIN OUT
TAPE
RL
PEAKPEAKPEAKPEAK PEAK
ROOM
VOL
MAIN
 0 
 0 
 0 
 0 
 0 
 0 
 0 
MAIN SECTION
5/6
CS-2490
CS-2484 CS-2486 SPEAKER LOOPING 
FROM MIXER
TO NEXT SPEAKER
CS-2490
CS-2490
2
4
 

CS-2490 REAR PANEL DESCRIPTION
1
2
3
4
Controls and Features
CS-2 486
LEVEL
MIN MAX
LEVEL
MIC 
INPUT
LINE 
INPUT
MIN
MAX
VOLUME
L
R
MIN
MAX
TREBLE
LINE
+12
-12
BASS
+12
-12
POWERCLIP
POWER
AC 240V 50Hz
5
2
55
6
1.POLE MO UNT SOCK ET-This s ocket is d esigne d to fit a standard speaker 
  pole moun t or tripo d speake r stand.
2.RIGGI NG POINT S-This s eries sp eaker ha s rigging points . These points are 
  to be used to f ly or susp end the sp eaker in the air by some means . Be sure 
  to follow t he flyin g outlines.
3.HIGH FR EQUENC Y TRANSDUCER - This unit is used to re produc e the high 
  frequen cy respo nse..
4.WOOFE R-The hi gh-pow ered woofer is used to reproduce the 
  midrang e and low fr equenc ies.
5.TRANS PORT HAN DLE-Th is serie s speake rs come wi th built -in 
  heavy-d uty tran sporta tion han dle . Use th is handle for secure 
 and easy tr anspor tation .
6.POLE MO UNT LOCK ING BOLT- This pin i s used to se cure the 
  speaker i n place wh en mount ing the sp eaker in a pole mount 
 configu ration . Always be sure to tighten down on the locki ng 
 bolt to pre vent the s peaker f rom shif ting during use.
35