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O U T D O O R

OMNI SUBWOOFER

FORZA

8

OSD Audio

Brea, CA

osdaudio.com

Warranty Information

All OSD Audio speaker products have (1) year Limited Warranty 
against defects in materials and workmanship. Proof of purchase 
must accompany all claims. During the warranty period OSD will 
replace any defective part and correct any defect in workmanship 
without charge for either parts or labor.

OSD Audio may replace returned speakers with a product of equal 

value and performance. In such  cases, some modifications to the 

mounting may be necessary and are not OSD’s responsibility.

For this warranty to apply, the unit must be installed and used 
according to its written instructions. If necessary, repairs must be 
performed by OSD. The unit must be returned to OSD at the owner’s 
expense and with prior written permission. Accidental damage and 
shipping damage are not considered defects, nor is damaged result-
ing from abuse or from servicing performed by an agency or person 

not specifically authorized in writing by OSD.

OSD Audio sells products only through authorized dealers and dis

-

tributors to ensure that customers obtain proper support and service. 

Any OSD product purchased from an unauthorized dealer or other 

source, including retailers, mail over dealers and online sellers will not 
be honored or serviced under existing OSD warranty policy. Any sale 

of product by an unauthorized source or other manner not authorized 

by  OSD shall void the warranty on the applicable product.

Damage to or destruction of components due to application of 
excessive power voids the warranty on those parts. In these cases, 
repairs will be made on the basis of the retail value of the parts 
and labor. To return for repairs, you must email customer service 

at RMA@osdaudio.com for a Returned Merchandise Authorization 

(RMA) number# then the unit must be shipped to OSD at the owner’s 
expense, along with a note explaining the nature of service required. 
Be sure to pack the speaker(s) in a corrugated container with at 
least 3 inches of resilient material to protect the unit from damage in 
transit.

This Warranty Does Not Cover: Damage caused by abuse, acci-

dent, misuse, negligence, or improper operation (installation) • Any 

products that have been altered or modified • Any product whose 

identifying number of decal, serial #, etc. has been altered, defaced 

or removed • Normal wear and maintenance.

INSTALLATION GUIDE

Preperation:

- Spade or trench tool
- Safety Eye Wear
- Gloves
- Wire Cutters
- Tape Measure
- Direct Burial Rated Speaker Wire

Subwoofer Wire Guide:

14 AWG - from .............................................................................100 ft
12 AWG - from ....................................................................100 - 150 ft

Specifications

Design:   

 

Weather Resistant 8” Outdoor In- 

   Ground 

Omni 

Subwoofer

Tweeter: 

  8” 

Subwoofer 

Frequency Response: 

50Hz - 250Hz (crossover at 250Hz)

Power Handling: 

 

10-250 Watts 

 

Impedance: 

 

8 Ohm 

Sensitivity: 

 

1w/1m 88dB +/- 3

Dimensions: (L x W x H) 

14” x 14” x 17”

Gross Shipping Weight: 

13 1/2” lbs 

Unit of Measure: 

 

1 Piece

Warranty: 

  1 

Year

Wiring Diagram:

Speaker

Input Colors

-Black
+Red

Speaker

Output Colors

-Green
+ Yellow

Note: 

Always

use the correct polarity. 
(+ to + / - to -)

FORZA

8

Speaker

Inputs

Right

Optional  Speaker

Left

Optional  Speaker

Speaker

Outputs

To complete installation, place the subwoofer in a pre-dug hole and 
run the spaeker leads to the speakers and amplifer by trenching 
wherever neccessary to hide/protect the wires. Fill the hole after testing 
the newly installed system.

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