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• 6½" Polypropylene Sprayed Paper Cone
• 20 oz. Woofer Magnet
• Rubber Surround
• 200 Watts Instantaneous Peak Power
• 40 watts RMS
• 50 - 250 Hz Freq. Response 
• Quick Connect Terminals
• 2

¾

" Aperiodic Vent Tube

• Heavy Duty Acoustic Carpeting
• Titanium Colored Trim
• Dimesions 18.5"L x 8.375"H x 8.25"W
   46.99 cm x 21.27 cm x 20.95 cm

1-800-445-1797

PLEASE DO NOT RETURN PRODUCT TO STORE.

Visit us on the WEB

WWW.ROADMASTERUSA.COM

For Information and Technical Assistance, Call Toll-Free in U.S.A. and Canada. 

You  can  place  the  RBB650T  anywhere  you  have  the  space:  rear  seat, 
trunk, or behind the rear seat in trucks and pickups. DO NOT place the unit 
in  a  high  unsecured  location  such  as  a  rear  seat  window  deck.  Sudden 
stops can cause the unit to fly forward. The RBB650T may also be used 
outside  in  DRY  WEATHER  ONLY.  However,  cables  must  be  securely 
placed out of traffic areas to eliminate the possibility of tripping.

THE  RBB650T  MUST  BE  SECURELY  MOUNTED,  driving 
styles  and  road  conditions  such  as  sudden  stops,  sharp 
curves and bumpy roads may cause unsecured items to move 
about  the  vehicle  causing  vehicle  damage  and/or  physical 
injuries to vehicle occupants

.

Dear Customer,
CONGRATULATIONS. The RBB650T Subwoofer, when used as described, 
will give you years of dependable service in your car, truck, RV or mini-van. 
We  have  taken  numerous  measures  in  quality  control  to  ensure  that  your 
product arrives in top condition, and will perform to your satisfaction. In the 
rare  event  that  your  RBB650T  Subwoofer  contains  a  damaged  or  missing 
item, does not perform as specified, requires warranty service or you have a 
installation  problem, 

DO  NOT  RETURN  THIS  PRODUCT  TO  THE  STORE

.

Please call our TOLL-FREE number US 1-800-445-1797 and ask to speak 
with a member of our technical service team, or submit your questions by 
e-mail  to  [email protected]  and  a  member  of  our 
Technical  Service  Team  will  respond  by  e-mail  to  your  questions.  Our 
in-house  Technical  Service  Team  will  expedite  delivery  of  your  part,  or 
advise you on installation, or help troubleshoot a problem with you. If your 
product  needs  warranty  service,  our  technical  service  team  representative 
will help you obtain the fastest remedy possible under the warranty. 

Limited Warranty

Limited Warranty

Automotive  audio  equipment  installations  can  be  troublesome  at  times, 
even  to  the  most  experienced  of  installation  technicians.  If  you  are  not 
confident  working  with  electrical  wiring,  removing  and  reinstalling  interior 
panels, carpeting, dashboards or other components of your vehicle, please 
call  our  toll-free  help  line  1-800-445-1797  and  our  in-house  technical 
service team will answer your installation questions.

The RBB650T subwoofer requires an amplifier to operate properly.

Your  stereo  and/or  amplifier  may  differ  from  those  shown.  
Please refer to your owner's manual during installation.

Right

Left

Existing Speakers

Stereo Receiver 

To Attach Wire to Speaker:

Width of insulation stripped 

from end of speaker cable.

Twist strands 

of wire together

To Strip Insulation from Wire:

Consult amplifier installation manual for recommended connection method.

Location

If you are installing the RBB650T subwoofer to replace your existing sub 
woofer, disconnect the speaker wires and remove the existing subwoofer 
from  your  vehicle.  Place  the  RBB650T  subwoofer  in  the  location  you 
selected  in  your  vehicle  and  connect  the  existing  speaker  wires.  Make 
sure to have the polarity of the speakers and wires correct (positive wire to 
positive  speaker  terminal  and  negative  or  ground  wire  to  negative 
terminal)
If you are installing the RBB650T subwoofer to be used in addition to the 
left & right channels, you will need a amplifier to power the RBB650T sub 
woofer.

Wiring

RCA Line Out

Amplifier

Hold  open  the  terminals  on  the 
back  of  the  RBB650T,  insert  rear 
speak  wire.  Color  of  your  wires 
may be different than shown here.

What is a Subwoofer?

A Subwoofer is a loudspeaker that reproduces only the lowest bass frequencies. 
You will not hear all of the music from a subwoofer, only the low bass.

Why do I need an amplifier?

Subwoofers require large amounts of power to produce deep heart pounding 
bass.  While  you  can  connect  the  RBB650T  directly  to  your  car  stereo,  most 
in-dash  car  stereos  do  not  have  sufficient  power. An  amplifier  with  50  Watts 
RMS or greater will provide the THUMP and BOOM you desire.

What is an Aperiodic Vent?

Aperiodic  vents  enable  subwoofers  to  have  cleaner,  deeper  bass  in  a  small 
size  enclosure. An Aperiodic  vent  is  a  port  tube  stuffed  with  a  fiber  damping 
material.  It  acts  like  an  acoustic  shock  absorber,  allowing  pressure  to  be 
released from the enclosure at bass frequencies only.

I want to hook up two RBB650T Subwoofers. How do I wire them?

Connect one to the left channel of the amplifier and the second one to the 
right channel. You CAN wire the subs in parallel (+ to + & - to -) if your amplifier 
is 2 Ohm stable in "Bridged Mode". Most amplifiers are 4 Ohm stable 
when "Bridged"

Can I lift the RBB650T Bass Blaster by the chrome rods across the woofer?

No. They are not handles. The rods are there to protect the woofer instead of a 
metal grille.

Roadmaster  (USA)  Corp.

®

  products  are  designed  and  manufactured  to  provide  a  high  level  of  trouble-free  performance. 

Roadmaster  (USA)  Corp.

®

  warrants,  to  the  original  purchaser,  that  its  products  are  free  from  defects  in  material  and 

workmanship for 30 days from the date of original purchase. As part of our commitment to product excellence  Roadmaster 
(USA)  Corp.

®

  and/or  it’s  affiliates  routinely  improves  the  designs,  materials  or  production  methods  of  its  existing  products. 

Because it is impractical to publicize all changes in every product, we reserve the right to make such changes without notice.
CONDITIONS OF WARRANTY:
If  during  the  30  day  warranty  period  your  new  product  is  found  to  be  defective,    Roadmaster  (USA)  Corp.

®

  will  repair  such 

defect, or replace the product, without charge for parts or labor subject to the following conditions:
1. All repairs must be performed by Roadmaster (USA) Corp.

®

 and/or it’s affiliates in Eatontown, New Jersey.

2. The equipment must not have been altered or been damaged through negligence, accident, or improper operation.
3. The replacement of parts are exempted from this warranty when replacement is necessary due to normal wear and tear.
4. All warranty claims must be accompanied by a copy of the sales receipt or bill of sale.
5. Repair or replacement parts supplied by Roadmaster (USA) Corp.

®

 under this warranty are protected only for the unexpired 

portion of the original warranty.
6. In the case of car audio, this warranty does not extend to the elimination of car static or motor noise; correction of antenna 
problems;  costs  incurred  for  the  removal  or  reinstallation  of  the  product;  damage  to  tapes,  speakers,  accessories  or  car 
electrical systems.
7. Roadmaster (USA) Corp.

®

 will not be responsible for any charge incurred for installation.

OWNER'S RESPONSIBILITIES:
Roadmaster (USA) Corp.

®

 will make every effort to provide warranty service within a reasonable period of time. 

SHOULD YOU HAVE ANY QUESTIONS ABOUT SERVICE RECEIVED, OR IF YOU WOULD LIKE ASSISTANCE IN OBTAINING 
SERVICE, PLEASE CALL TOLL FREE 1-800-445-1797, 8:30am - 4:30pm EST.
In order to provide you with the proper warranty service, we request that you adhere to the following procedure:
1. Include a copy of your sales receipt or bill of sale with your unit when it is returned for warranty service.
2.  If  it  is  necessary  to  return  your  product  for  service,  please  return  it  securely  packed,  preferably  in  the  original  shipping 
carton,  and  freight  and  insurance  prepaid  to  the  following  address: 

Roadmaster  (USA)  Corp.,  Service  Department,  41 

James Way, Eatontown,  New Jersey 07724.
3. Please include a detailed explanation of the problem you are having.
4.  If  your  product  is  found  by  Roadmaster  (USA)  Corp.

®

  to  have  a  defect  in  material  or  workmanship,  within  the  warranty 

period, it will be repaired or replaced at no charge and returned to you prepaid.  Where permitted by Iaw Roadmaster (USA) 
Corp.’s liability shall be limited to that set forth in this warranty. This warranty shall be the exclusive remedy of the purchaser.
Roadmaster (USA) Corp.

®

 makes no other warranty of any kind, expressed or implied; and all implied warranties, are hereby 

disclaimed by Roadmaster (USA) Corp.

®

 and excluded from this warranty, Roadmaster (USA) Corp.

®

and/or it’s affiliates, the 

manufacturer, distributor and seller shall not be liable for any injury, loss or damage, incidental or consequential, arising out 
of the use or intended use of the product.

©2005 Roadmaster (USA) Corp.

®

  All designs, logos and images are the exclusive property of Roadmaster (USA) Corp.

®

 and/or it’s affiliates. 

All rights reserved. 092705  Printed in China 00000

RBB650T

Subwoofer

RBB650T

Subwoofer

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