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SKU: KIT-RX640-PAR 150W High Performance 6.5" Rock Speaker Pair, Sandstone Canyon Brown or Granite Grey - RX640

Purchase 150W High Performance 6.5" Rock Speaker Pair, Sandstone Canyon Brown or Granite Grey - RX640
  • SKU: KIT-RX640-PAR rshide6paros

    150W High Performance 6.5" Rock Speaker Pair, Sandstone Canyon Brown or Granite Grey - RX640

  • $109.99

    Compare at: $169.99 You Save $60.00

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Sold as pair, the RX640 is a very popular landscape rock speaker for backyards, pools and gardens. Part of the fun is disguising the speakers so choose a color that best matches your landscape and place the speakers where a natural rock would be found. Typical locations for the rock speakers include rock formations for barriers around pools, ponds and spas or bordering a garden and even as an accent in flower gardens.

You'll Enjoy Great Sound
Customers are always pleasantly surprised by the sound quality of our RX640s. The 6.5" polypropylene woofer and 1" dome tweeter are acoustically matched to give you clear vibrant sound with good bass characteristics. If you're worried about how long they will last, rest assured that this two-way (woofer and tweeter) rock speaker system utilizes weather-resistant components for years of trouble-free performance.

  • Hide in plain sight - friends wont know where the sound is comping from
  • All-weather components withstand rain, high temperatures, and other harsh weather conditions
  • Acoustically inert enclosure made from aerospace grade multi-layer composite cabinetry
  • Designed specifically for outdoor environments with excellent sound quality
  • Available in different colors to match your environment
Do I need special cable to run outdoor speakers?
We strongly recommend our direct burial, CL3/FT4 waterproof cable and wire connectors that are designed for the outdoors. Our speaker wire uses a specially formulated UV-resistant, white polyethylene jacket that provides protection against water damage and allows the cables to withstand extreme weather conditions like rain, snow and high temperatures and incorporate twice the insulation of average cable. If you plan to bury the cable, OSD recommends you bury it 4-6" underground so that it's not visible nor pose a danger of somebody tripping over it. Our speaker cable is ideal to use in direct burial applications. As for the gauge, for runs up to 100 feet for background music, 16-gauge will be fine. If the run is approaching or exceeding 100 feet, we suggest 14-gauge wire. 

Add Volume Controls
Volume controls can be a great addition to a system providing both proper impedance matching and more hands-on local control of the volume in the listening area. We offer a great selection of outdoor volume controls to choose from!

Extremely Durable
OSD outdoor speakers are developed with harsh conditions of the outdoors in mind. Our rock speakers use only non-water-absorbing materials and won't absorb any water. This is critical in winter so it won't freeze and crack. The shape is designed to withstand large amounts of pressure, extreme temperatures and moisture. Remember though, outdoor speakers are an investment, so take care of them. Storing them away from extreme weather conditions will only lengthen the time you will get enjoying outdoor speakers. These rock speakers utilize weather-resistant components for years of trouble free performance.

Warning: California's Proposition 65


This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to

  • Speaker Type: 6.5" 2-Way Weather Resistant Rock Speakers
  • Woofer: 6.5" Polypropylene Cone with Sealed Voice Coil
  • Tweeter: 1" Coaxial Polyamide
  • Frequency Response: 39Hz - 22kHz
  • Power handling: 150W
  • Sensitivity: 91 dB
  • Impedance: 8 Ohms
  • Weather Resistant: All-Weather Versatility
  • Aerospace Grade, Multi-layer Composite Cabinetry
  • Unit Dimensions: (L x H x D) 14" x 12" x 12"
  • Sold As: Pair
  • Wireless: No
  • Colors Available: Sandstone Canyon Brown, Granite Grey
  • Weight: 26 lbs
  • Warranty: 1 Year
25 Questions asked on 150W High Performance 6.5" Rock Speaker Pair, Sandstone Canyon Brown or Granite Grey - RX640

Dan • 05/21/2020, 1:12:18 PM Q What are the dimensions (H,W,D) of the 6.5 Rock Speaker?
Customer Service • 05/22/2020, 12:15:57 PM
A Aerospace Grade, Multi-layer Composite Cabinetry Unit Dimensions: (L x H x D) 14" x 12" x 12" Sold As: Pair TimL/5-22-2020
Karla • 12/17/2019, 2:17:43 PM Q Hi, My husband have been talking about getting speakers that look like rocks... Mrs. Claus wants to buy them for him. Are they hard to install and do you have a ton of wire outside from your source. Any assistance would be appreciated. I am technology challenged. Thanks, Mrs.Claus
Customer Service • 12/17/2019, 2:17:43 PM
A Youíve chosen a great gift for your husband, Mrs Claus! Most of our customers install their rocks themselves so itís not particularly difficult. The challenge is connecting the speakers to the source. The speakers you are looking at come in stereo pairs and both need to be wired back to the source. Since your husband has expressed interest in rock speakers, he probably already understands whatís involved. We offer the special CL3 speaker cables you will need to run outside (direct burial cables). OSD has the largest selection of outdoor rock speakers available in multiple colors and sizes (6.5" & 8" speaker). We do have a couple wireless options as well. Hereís a great article on choosing the right speaker. MA/TL
Donna • 12/17/2019, 2:17:43 PM Q Can these speakers endure the hot Arizona heat?
Customer Service • 12/17/2019, 2:17:43 PM
A Yes, there is a reason why we are the number one internet site for outdoor speakers. We have been building and designing all types of outdoor speakers including Rocks, Patio and Garden speakers since 2003. We are based in Orange County California and Arizona is one of our biggest markets. Extreme heat no problem. TL
Rosario • 12/17/2019, 2:17:43 PM Q My husband and I are considering outdoor speakers and know we want ceiling speakers for our porch. I was wondering if we are able to connect the ceiling speakers to these rock speakers? Thank you.
Customer Service • 12/17/2019, 2:17:43 PM
A Rosario, It would be best for the sound quality to run its own speaker cable to back to the receiver/ amp, rather than daisey chaining the speakers. CL
Joann • 12/17/2019, 2:17:43 PM Q Can these be used for TV outside and are they wireless?
Customer Service • 12/17/2019, 2:17:43 PM
A Joann, These are not wireless the require an amp or receiver to power them. I would recommend our wireless speakers the WR150 or WR800 CL