18" sub woofer platinum outdoor speaker - White One Systems

Product Code: OS-118.HSB-WH

One System
RRP $3,399.00
Unit of Measure


Technical Specifications
Brands One Systems
Series Platinum Hybrid Series
Size 18"
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118.HSB Platinum Hybrid Series Subwoofers

The 118.HSB is a high-output 18" subwoofer system housed in a strong molded enclosure that's impervious to weather, temperature extremes and moisture. Thanks to its unique enclosure design and powerful One Systems 18" woofer equipped with a 4" voice coil, the 118.HSB delivers extended low frequency response and high impact bass from a compact enclosure. The 118.HSB provides the full complement of One Systems’ weatherproofing features including 316 marine-grade stainless steel suspension hardware and enclosure reinforcements plus a HYBRID stainless steel grille with marine capable coating. The 118.HSB also offers an array of optional marine-grade stainless steel suspension hardware including eyebolt rigging, U-Bracket, Pan / Tilt bracket and Pole Mount brackets for placement and aiming flexibility. Add solid, high-impact low end response to your system by including the 118.HSB.

Mounting options sold separately


  • Direct weather 18” subwoofer system
  • Rotationally molded high-impact enclosure design
  • Optimized for extended low frequency response
  • Very high output to size ratio
  • Available in both Black and White color
  • Multiple M10 flying points
  • Available Pan and Tilt, Pole Mount, “U” bracket, and eyebolt rigging
  • Gland nut inputs (weather cover for gland nut installations)
  • Marine capable design utilizing 316-grade stainless steel insertion points and hardware options
  • Designed to IP45 standards


  • Frequency Response: 40Hz – 120Hz
  • Coverage Pattern: Nearly Omnidirectional
  • Inputs: 5-position barrier
  • System Sensitivity (1 Watt / 1 Meter):
    • 98dB (half space)
    • 95dB (full space)
  • Power Handling:
    • 800 watts continuous
    • 1600 watts program
    • 3200 watts peak*
    • * NOTE: All system power handling rating are amplifier headroom dependent
  • Nominal Impedance: 8-ohms
  • Low Frequency: One Systems 18I/O woofer
  • Suspension/Mounting points: M10
  • Weather Performance: IEC 529 IP 45
  • Dimensions (H x W x D) in: 584mm x 510mm x 525.3mm (23.0in x 20.1in x 20.7in)
  • Net Weight: 33 kg / 73 lb
  • Optional Accessories:
    • 118/HSB-U/M U-bracket kit
    • PT/76/M Pan and Tilt
    • PM4/M pole mount system

Product Documents

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Orders placed though the Amber Technology website are despatched from our Sydney warehouse. Orders placed before 1.00pm Sydney time (for items in stock) will generally be shipped on the same day. 

We ship using Australia Post and Startrack Express. We deliver Australia-wide to residential, business and PO box addresses.

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Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.

Refurbished items will include a 12 month warranty unless otherwise stated.

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us. 

Amber Technology maintains a nation-wide network of carefully selected Authorised Service Agents to ensure that you are never far from convenient, expert technical and service support. If your item develops a problem and requires servicing under warranty, please contact your local Authorised Service Agent.

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The availability of stock is communicated via the indicator of each product listing page. "Available" means that reasonable stock is in our warehouse, ready for immediate shipment. "Limited Stock" means that we have only a small number of items in stock. "Out of Stock" means this item is currently unavailable for immediate shipment - orders placed for ‘Out of Stock’ items will be fulfilled as soon as replacement stock arrives.

"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time.

Refurbished items

If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.

Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may

  • have a damaged carton
  • have been used for demonstrations
  • have been repaired
  • have minor imperfections that do not impact performance.

Refurbished items include a 12-Month warranty unless otherwise stated.

Technical Support

Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.


Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.  


  inc GST
RRP $499.00
  inc GST
RRP $199.00
  inc GST
RRP $1,349.00
  inc GST
RRP $1,349.00

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