Roadmaster Speaker VRA10PSW User Guide

1 Pre-installation  
3 Electrical Connections  
VRA1.0 PSW  
Powered  
Tools Needed For Installation:  
Read the following wiring instructions very carefully. If you have any trouble understanding any of these instruc-  
tions, have the amplifier professionally installed by an experienced technician. Incorrect wiring will prevent the  
amplifier from operating, or will damage the amplifier.  
Subwoofer  
• Nail Set/Center Punch  
• Phillips Screwdriver  
• Hammer  
• Wire Cutter  
Recommended Method For Splicing Wires  
#1  
#2  
#3  
Electric Drill  
with 1/16” bit  
Dear Customer,  
• Safety Glasses  
• Marker/Pen  
• Electrical Tape  
CONGRATULATIONS. The VRA1.0PSW Powered 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 per-  
form to your satisfaction. In the rare event that your VRA1.0PSW Powered Subwoofer contains a damaged or missing item, does not perform  
as specified, requires warranty service or you have an installation problem. DO NOT RETURN THIS PRODUCT TO THE STORE. Please call  
our TOLL FREE number US (800-445-1797) and ask to speak with a member of our technical service team, or submit your questions by E-Mail  
to customerservice@vr-3.com 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, 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.  
Wrap with electrical tape.  
Strip 1/2” of insulation from the ends of the wires.  
Twist together and bend as shown.  
We recommend an Amplier Installation Kit containing the following parts:  
• Power Wire - 8 Gauge w/ Terminal Lug  
• Remote Wire - 20 Gauge  
• Input Wires - Shielded RCA cables  
• After-Market Battery Terminal  
1. Power Terminal  
1. DISCONNECT THE NEGATIVE(-) BATTERY TERMINAL FROM THE NEGATIVE BATTERY POST.  
2. Strip ½” of insulation from the end of the 8 gauge power wire. Connect the 8 gauge power wire to the  
after-market positive battery terminal according to the manufacturer’s installation instructions.  
Location  
Place the powered subwoofer in a location that allows air to circulate around it. Amplier location and installation will vary from vehicle to vehicle  
depending on physical layout of the vehicle. Carefully consider as many installation locations and congurations as is practically possible DO  
NOT COVER the powered subwoofer with carpet or enclose it behind interior panels. DO NOT mount inverted or upside down. The amplier  
may be mounted vertically.  
Specifications  
After Market Positive Terminal (+)  
To Amplifier Power Terminal  
• 400 Watts Total Power  
Before permanently installing your VRA1.0PSW Powered Subwoofer, place the VRA1.0PSW Powered Subwoofer in the approximate place it  
will occupy in your car. Run all power and speaker wires inside the vehicle toward the powered subwoofer prior to mounting. This will allow you  
to estimate how much wire you’ll need and where to route the wires inside of your vehicle.  
• 100 Watts @ 4 Ohms < or = 1% THD+N.  
S/N > or = 75 dbA ref. 1 Watt Output @ 14.4 VDC.  
• Measured at 14.4 VDC Input Voltage  
• Frequency Response: 25 150 Hz  
• Dimensions: 18.63” L X 9.25” W X 7.25H  
• Ported ABS Enclosure  
Vehicle’s Positive(+)  
12 Volt power cable  
Connect the fused 12 Volt DC power wire, chassis ground cable, and remote wires. (SEE SECTION 3, ELECTRICAL CONNECTIONS)  
In-line 25 amp Fuse or Circuit Breaker  
(not included)  
Turn on the car strereo, if the Power Protection light is green, turn off the stereo and proceed to the next section. If the Power Protection light is  
red, review all of the connections and wires. You may have a loose connection, a bad chassis ground, or an inadequate size power wire. If the  
problem persists after reviewing all of the connections and wires, call our toll-free help line for assistance.  
• 8” Subwoofer  
• Fuse: 20 Amp Automotive Blade Type  
3. Install a 25 amp fuse or 25 amp circuit breaker in the 8 gauge power wire as close to the battery as practical.  
4. Route the 8 gauge power wire from the 25 amp fuse or circuit breaker to the rear of the powered subwoofer.  
5. Strip 1/2” width of insulation from the end of the 8 gauge power wire.  
Do not mount inverted or upside down. Do not cover with  
carpeting or enclose it behind interior panels.  
6. Attach a spade lug on the end of the 8 Gauge wire.  
7. Loosen screw to open POWER connector plates on rear of amplier.  
8. Insert the spade lug between the connector plates. Turn screw until power cable is tight.  
Parts  
2. Remote Terminal  
2. Mounting the Powered Subwoofer  
• 1 Ground Wire  
The REMOTE wire connection automatically turns on your amplier when your stereo is turned on.  
On most stereos, this wire is marked as the REMOTE, ACCESSORY, or POWER ANTENNA.  
1. Locate the REMOTE, ACCESSORY, or POWER ANTENNA on the stereo. (Refer to your stereo owner’s manual.)  
2. Splice the REMOTE, ACCESSORY or POWER ANTENNA wire from rear of the stereo to a length of wire that will  
reach the rear of the amplier  
Water Damage: Do not install this Powered Subwoofer in a location that will expose it to water or moisture.  
Dust or Dirt: Do not install this Powered Subwoofer in a location that will expose it to dusty or dirty conditions.  
DO NOT BLOCK THE PORT OPENING FOR ANY REASON.  
3. Loosen screw and open REMOTE connector plates on rear of amplier.  
4. Insert wire end between the REMOTE connector plates.  
Modifications: Do not open the Powered Subwoofer for any reason, or modify it in any way. If modified in any way  
a fire hazard or malfunction may occur. Modification will void the warranty.  
• 1 Self Tapping Screw  
• 4 #6 Screws  
• 20 Amp Fuse  
• Spade Terminal  
5. Tighten screw closing REMOTE connector plates on wire.  
FIG. 1  
3. Ground Terminal  
Attach the supplied brackets to the base of the  
Powered Subwoofer using the 4 Phillips Pan  
Head Screws.  
1. The ground connection cable should be attached to clean, unpainted chassis metal for a good electrical connection.  
2. Find good, non-rusted chassis metal, as close to the amplier as possible.  
Features & Functions  
(Figure 1)  
FIG. 2  
Volume Control  
RCA” Inputs  
• Fuse 20 Amp  
Steel Mount  
With a hammer & nail set/center punch, make  
FIG. 3  
dimple marks on the mounting surface for each  
3. Drill a pilot hole with a 1/16” drill bit.  
monting screw.  
(Figure 2)  
4. Use sandpaper to expose an area of bare metal around the pilot hole about the size of a dime.  
5. Tightly fasten the provided ground cable with the self tapping sheet metal screw to the chassis metal.  
A loose ground will cause distortion and popping noises in the speakers.  
Carpet Mount  
Cut a piece of plywood 22” x 11” and slide it  
under the carpet where the powered subwoofer  
will be mounted and proceed to step #4  
(Figure 3)  
Recommended Method For Attaching Wires to Terminals  
1. GROUND WIRE  
To connect the supplied ground wire,  
remove the screw and contact from the  
ground terminal on the rear of the am-  
plier. Put the screw through the contact  
plate, then through the ground wire, and  
nally tighten the screw.  
FIG. 4  
Drill 4 pilot Holes with an electric drill & 1/16”  
bit. Make sure that nothing is behind the mount-  
ing surface that can be damaged when drilling  
the holes.  
3.  
(Figure 4)  
2. REMOTE WIRE  
To connect the remote wire, place the  
twisted end under the contact plate and  
tighten screw.  
• Power / Protect LED  
1. GROUND WIRE  
Terminals for 12 Volt DC Power,  
Remote Switch, and Chassis Ground  
FIG. 5  
Secure the Powered Subwoofer using the 4 self  
tapping screws included  
3. POWER WIRE  
4.  
When connecting the power wire, place  
the spade terminal under the contact  
3. POWER WIRE  
plate and the forks around the screw.  
Then tighten the screw.  
2. REMOTE WIRE  
When mounting the powered subwoofer, make sure there is enough  
room for access to make adjustments to the volume control.  
 

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