About the OSD Forza-8 Outdoor Subwoofer
A rugged outdoor subwoofer
A rugged outdoor subwoofer
The OSD Forza-8 is a weatherproof subwoofer that delivers deep, musical bass as part of your outdoor sound system. It can be partially buried in the soil, so it blends into the surroundings. It features an 8" polypropylene woofer in an attractive, durable antique bronze enclosure.
Connects to your stereo amp and speakers
A built-in 250 Hz passive crossover network lets you connect this subwoofer to your stereo amplifier along with a pair of full-range outdoor speakers, using direct-burial-rated speaker wire. In this type of setup, the subwoofer handles all the low frequencies, letting your main speakers focus on the mids and highs for better clarity.
Product highlights:
- 8" polypropylene cone woofer in weatherproof enclosure
- built-in 250 Hz passive crossover network
- connects to your stereo amplifier and speakers via speaker-level connections
- handles up to 250 watts
- frequency response: 50-250 Hz
- nominal impedance: 8 ohms
- sensitivity: 88 dB
- rated for partial burial
- attractive antique bronze finish
- 18" speaker wire included
Dimensions and warranty:
- 13-7/16" diameter x 15-3/4" height
- weight: 13.5 lbs.
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # FORZA-8
What's in the box:
OSD Forza-8 Outdoor Subwoofer owner's manual
- 8" In-ground subwoofer w/ 2 attached 18" lengths of jacketed speaker wire (4-conductor/bare-ended)
- Installation guide
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More details on the OSD Forza-8 Outdoor Subwoofer
Features & specs
| Type | Subwoofer | |
| Bluetooth | No | |
| Enclosure | Acoustic suspension | |
| Tweeter Type | N/A | |
| Tweeter Size (inches) | N/A | |
| Midrange Size (inches) | N/A | |
| Woofer Size (inches) | 8 | |
| Woofer Composition | Polypropylene | |
| Woofer Surround | Rubber | |
| Power Range (watts) | Up to 250 | |
| Sensitivity | 88 dB | |
| Impedance (ohms) | 8 | |
| Frequency Response | 50-250Hz Hz | |
| Connector Type | Bare-ended wire | |
| Height (inches) | 15-3/4 | |
| Width (inches) | 13-7/16 | |
| Depth (inches) | --- | |
| Weight (pounds) | 13.5 | |
| Wall-mountable | No | |
| Bracket Included | N/A | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Overview: The OSD Forza-8 is an in-ground subwoofer designed for home landscape applications. The omnidirectional outdoor subwoofer can provide a full 360˚ of sound dispersion while easily blending in with your backyard, patio, garden, or pool area.
Construction: The Forza-8 in-ground subwoofer features an 8" polypropylene cone woofer mounted in a UV-and impact-resistant ABS enclosure. This combination provides deep bass in a wide 360˚ dispersion pattern for broad area coverage.
Power & Wiring: The Forza-8 subwoofer features two 18" sections of 4-conductor, 16-gauge speaker wire attached to the bottom of the enclosure. Two sets of wires provide the stereo input connection for the sub, while two additional pairs of wires can be used to output a crossed-over signal to an optional pair of satellite speakers (sold separately). An internal 250Hz crossover provides the low signals for the sub with the mid- and high-frequencies passed to the speaker wire outputs. Direct burial wire is recommended for connecting the speaker and is sold separately. The two 8Ω input channels can handle up to 125W each (250W total).
Landscape Mounting: The Forza-8 subwoofer is constructed with weatherproof components that are resistant to rain, snow, insects, and dirt, making it ideal for open outdoor spaces. The outdoor subwoofer should be partially buried, making sure the down-firing driver is exposed.
Note: The OSD Forza-8 subwoofer is weatherproof, but is not designed to be fully submerged in water.
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Customer Q&A
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This is what I needed to provide some bass to my 5 1/4" driver outdoor speakers. Not overwhelming but there is a low frequency present that wasn't there before. I had no interest in blowing up my neighbors. This sub is perfect. Easy set up. Screwed it to my deck and made the connections.
William from Cary, NC