Features and Specifications: Sold in pairs, 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.
Will these speakers hold up during winter months?
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. It's important that outdoor speakers are an investment, so take good care of them. Storing them away during extreme winter months will lengthen the time you will get enjoying outdoor speakers. These rock speakers utilize weather-resistant components for years of trouble free performance.
Can I connect my rock speakers to an iPod or other MP3 device?
This is a common question and the answer is yes. Keep in mind, however, that these speakers are passive devices, meaning they do not have a built-in amplifier. You’ll need to connect to an amplifier or a receiver to power your new rock speakers. Customers typically store an amp/receiver in a tool shed or even run the speaker wires back to a receiver in the house. From there, they simply use the AUX input or RCA adaptor cable to connect their iPod, iPhone or other player to the receiver or amp. OSD Audio carries all the cables you need, which are very inexpensive, and the speaker wire as well.
What kind of cable should I use?
If you plan on burying the the cable (and most people do), we strongly recommend using OSD direct burial cable and waterproof wire connectors. These speaker cables that can withstand extreme weather conditions like rain, snow and high temperatures and incorporate twice the insulation and a formulated white polyethylene jacket that is U/V resistant.
- Weather Resistant Multi Purpose Rock Speaker
- 6 1/2" Polypropylene Cone Woofer with Sealed Voice Cool
- 1" Coaxial Polyamide Dome
- 8 Ohm
- 39Hz - 22kHz
- 150 Watts
- 91 dB
- H 8 1/2" x W 7" x D 9"
-
Sandstone or Granite Grey
- Sold in pair
- Wireless: No
- 1 year warranty
Questions and Answers:  By Jackson from Orange COunty, CA on June 25, 2012 can these speakers be input directly into an iPod or other Mp3 device or do they have to go thru an amp? By Customer Service - Q&A on June 26, 2012Answer:Hi Jackson,
You need to connect to an amplifier first before connecting to the RX640 speakers. Our AMP120 allows you to connect two sources and automatically switch between them. Input number one takes priority while it is active. When you turn source one off, the second source starts to play after a brief pause. We have all the cables you need to connect to the amplifier from your iPod and the speaker wire you need to run to your rock speakers.
TL/MA
By James from Kitchener, Ontario, Canada on October 7, 2012 Already own some of your other products and have no complaints. Are these speakers able to be directly rained on? They will be outside during the summer months at the cottage, and we will not always be able to bring them in if it rains. By Customer Service - Q&A on October 8, 2012Answer:Hi James,
Our speakers are designed specifically for the outdoors and can withstand rain. Any extra protection you can give them in extreme weather is always recommended. We suggest covering them or brining them inside during heavy storms. The extra protection will only add to the longevity of your investment.
CL/MA 1321By Karla from Fair Oaks, CA on November 6, 2011 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 By Customer Service - Q&A on November 7, 2011Answer:You’ve chosen a great gift for your husband, Mrs Claus! Most of our customers install their rocks themselves so it’s 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 what’s 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. Here’s a great article on choosing the right speaker.
http://www.outdoorspeakerdepot.com/outdoor-speakers-glossary.html
MA/TLBy Donna from Chicago on November 9, 2011 Can these speakers endure the hot Arizona heat?
By Customer Service - Q&A on November 10, 2011Answer: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.
TLProduct Reviews:
Outdoor Rock Speakers OSD Audio Pair RX640
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5 Stars based on 37 Review(s) |
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Perfect for outdoor music
March 22, 2013
I purchased these to add to my existing house sound system. They sound great with adequate bass. I have them approximately 20ft apart in my spa/pool area. I painted them to roughly match the surrounding natural rocks and they fit in with the landscape nicely. Purchased the OSD outdoor volume control to go with the rock speakers and the set up works great.
Pros:Outdoor sound with plenty of bass.
Easily painted to match landscape.
Solid construction and weatherproofing.
Cons:Suggestion: Package with silicone filled waterproof wire connectors.
Best Uses:Quality outdoor sound/music.
Kiwi
Sacramento, CA
5 Stars
I would recommend this item to a friend.
Great speakers
May 4, 2013
Bought these for my yard by my pool sound is very good and clear. Would recommend
Pros:Look great and sound great
Cons:Non
Best Uses:In back yard
Mario
Staten Island NY
5 Stars
I would recommend this item to a friend.
Excellent product
April 29, 2013
Arrived before I was ready - wonderful service. Easy to hook up and very acceptable sound quality.
I would recommend to anyone who has need for an outdoor garden speaker set
Don
Walnut Creek, CA
5 Stars
I would recommend this item to a friend.
RX360
April 20, 2013
had smaller 4 in. rock speakers,they were ok,but burnt up after 8yrs.(outdoors in AZ,not bad) I found the RX360's online,when I received them I noticed how much bigger they were than my old ones. 4 in. versus 6 in. for the new ones. these are excellent outdoor speakers,especially at this price. good sound,and they look good. highly recommended
Pros:look and sound good
Mac
lake havasu city,AZ
5 Stars
I would recommend this item to a friend.
Very Happy with this product
April 10, 2013
From the moment I opened up the box I was very happy. We got the brown color and matched perfectly with our landscape. Hooked them up in matter of minutes and they perform excellent. Not tingy at all like some inexpensive speakers. Great Price, Great Product. Very Happy thus far.
Pros:Color
Sound
Price
Mike
Chicago, IL
5 Stars
I would recommend this item to a friend.
RX640 Speakers
March 21, 2013
A very good speaker for the price. Nice sound and good bass.
Pros:Sound quality, appearance
Best Uses:outdoor
Doug
Peoria AZ
5 Stars
I would recommend this item to a friend.
Great Value
January 28, 2013
Just purcahsed my 3rd set of speakers for my backyard.
During superstorm Sandy, a chair from our patio set went flying
through one of the speakers- and it STILL WORKS!! I am replacing
it, but was amazed it is still working. I have received many
compliments on the sound quality in our backyard from friends and
neighbors. Great product at a great cost.
Pros:Easy To Set Up, Great Sound Quality, Good Power Output, Easy to Mount, Attractive Design
Best Uses:Outdoors
Mund
Huntington, NY
5 Stars
I would recommend this item to a friend.
Rock Solid
November 22, 2012

Speakers delivered in 2 days. They were bigger than I
thought so good thing I didn't get the 670s. They sound fantastic
in our 25X25 front courtyard! We barely have to turn them up and we
hear them fine. We're running high end Yamaha wall mounted speakers
in the back porch and there is no difference in sound. VERY happy
with the OSDs! Will be getting more for the back yard when we
finish the landscaping. Only 2 slight personal preference issues
kept me from giving it 5 stars: 1) we ran 12 gauge wire from the
receiver to the speakers since they're about 80 feet away while we
were waiting for them. When they arrived, the wires on the speakers
are more like 16 or 18 gauge so it was a little bit of a waste to
spend the money for 12 gauge only to have much smaller wires at the
speaker for the last 18 inches, but they still sound fantastic! 2)
We chose the granite color. When they came, they were more like
grey/black/white dots, not an issue with the speakers, but not not
really blending in that well with our other rocks, so we took a
sponge with some darker grey paint and lightly dabbed it all over
the speaker to break up the "peppered" look. Now it blends in more
like an uneven toned natural rock.
Pros:Great Sound Quality, Easy to Mount, Good Power Output, Easy To Set Up, Attractive Design
Best Uses:Outdoors
Outdoor living
Scottsdale, AZ
5 Stars
I would recommend this item to a friend.
Effortless Purchase
November 5, 2012
Great sound quality on my deck w/a design that blended in
naturally. I am very pleased w/my speakers and would recommend them
to anyone wanting to enhance their outdoors with terrific
sounds.
Pros:Great Sound Quality
Best Uses:Outdoors
Bob
South Pasadena CA
5 Stars
I would recommend this item to a friend.
Great speakers
September 2, 2012
These speakers have great sound and are as good as the
large ones that I also have that I paid $300 each for. I would by
these speakers again if I needed more.
Pros:Good Power Output, Attractive Design, Great Sound Quality
Best Uses:Outdoors
kidgto
Schrereville Ind.
5 Stars
I would recommend this item to a friend.
Outdoor Speakers
August 28, 2012

I purchased these outdoor speakers as a birthday gift to
my husband. I had purchased a pair for him quite a few years ago
from OSD and we were extremely happy with them. After many years in
the Arizona sun, they eventually needed to be replaced. We put
these speakers behind our pool so we can listen to music while we
are swimming. I have to say I was amazed at the service OSD gave. I
went online on Sunday to order them and was immediately sent an
email that they had been shipped and would arrive on Tuesday! 2
days! Really? I have never ordered something and had it delivered
in that short amount of time. Lo and behold, they were at my door
on Tuesday afternoon. Not only that, I received an email
confirmation that they had been delivered. Needless to say, I am
not only VERY satisfied with these great sounding, well made
speakers, but I am astonished at the awesome customer service I
received. I will definitely continue ordering from this company.
Service like this doesn't happen very often. When it does, you want
to be sure and utilize them at every opportunity!
Pros:Attractive Design, Great Sound Quality, Good Power Output, Easy To Set Up
Best Uses:Home, Outdoors
Tammerzz
Glendale, Arizona
5 Stars
I would recommend this item to a friend.
rx640 outdoor speakers
August 23, 2012
These speakers perform well. Good sound quality for the
cost. They fill the small patio area with quality sound. I can get
good bass out of these enclosures with the bass boast feature on my
receiver. I'm using a 100 watt per channel receiver. I'm happy with
this purchase! I have a 10grand home theater system in my home and
satisfied with these speakers on my patio. Outdoor space is
difficult to fill with good quality sound and these speakers do a
good job when properly driven.
Pros:Easy To Set Up, Great Sound Quality, Good Power Output
Best Uses:Outdoors
Jeff
Powell, OH
5 Stars
I would recommend this item to a friend.
work great
June 30, 2012
very good for the money, good volume and quality of sound
is acceptable
Pros:Attractive Design, Good Power Output, Easy To Set Up
Mikey
Allentown, PA
5 Stars
I would recommend this item.
June 24, 2012
Speakers by the pool with great sound, easy
install.
Pros:Good Power Output, Great Sound Quality, Attractive Design, Easy to Mount, Easy To Set Up
Cons:Heavy / Bulky
Best Uses:Outdoors
The Rev
Puce Ontario Canada
5 Stars
I would recommend this item to a friend.
Outdoor Speakers Look and Sound Great!
June 16, 2012
I purchased the speakers to be used outside on my back
porch. They connected in seconds and look and sound great. The
volume doesn't appear to be as "loud" as some of my other outdoor
speakers but that could just be a set-up thing.
Pros:Attractive Design, Easy To Set Up, Good Power Output
Cons:Not as loud as expected
Best Uses:Outdoors, Home
Matt
Rhode Island
5 Stars
I would recommend this item to a friend.
I recommend these speakers
June 11, 2012
I listen to these speakers in a outdoor setting with the
use of my I-phone. I have no complaints about the quality of
sound.
Pros:Good Power Output, Great Sound Quality, Sounds great using Iphone
Best Uses:Outdoors
Mr Christmas
Keller Texas
5 Stars
I would recommend this item to a friend.
Good buy
May 29, 2012
Good sound quality but requires high volume setting on
amp to hear well; strong bass; robust; easy to hook up and
use.
Pros:Easy To Set Up, Great Sound Quality
Best Uses:Outdoors
None
San Francisco
5 Stars
I would recommend this item to a friend.
Great Sounding Speakers
May 28, 2012
I use them outside for my new patio
Pros:Good Power Output, Easy to Mount, Great Sound Quality, Easy To Set Up, Attractive Design
Best Uses:Outdoors
Jim
Bellingham, MA
5 Stars
I would recommend this item to a friend.
outdoor speakers
January 29, 2012
Great product for outdoor use by the fire. Speakers are
in with the rest of the rock surround...sounds really great
too.
Pros:Great Sound Quality, Good Power Output, Easy To Setup, Easy to Mount, Attractive Design
Best Uses:Outdoors
Brianspot
Minnesota
5 Stars
I would recommend this item to a friend.
Sound quality appreciated during holiday
January 5, 2012
I used the speakers for my interactive Holiday display
and the worked great. The rich sound was a definate improvement
over what I had.
Pros:Great Sound Quality
Best Uses:Outdoors
DHJG
Fleming Island, FL
5 Stars
I would recommend this item to a friend.
We love them!
January 4, 2012
We bought these to add to help with our sound "issue". We
live hear a freeway and even though we have a great pool outside,
the nose from the freeway would inhibit our happiness.. enter the
rock speakers! We now put on all kinds of music from nature sounds
with an ocean background to surf music and it masks the sound and
gives us hours of pleasure. Thank you!!!!
Pros:Good Power Output, Attractive Design, Great Sound Quality
Best Uses:Home, Outdoors
Ms Mermaid
Marin County, CA
5 Stars
I would recommend this item to a friend.
Great Speakers
September 7, 2011
After going through 2 sets of speakers for the pool area,
I found this website. Speakers are built much better than the Best
Buy ones I had purchased before. Great service, fast delivery. Will
be buying some other speakers next spring.
Pros:Great Sound Quality, Good Power Output
Best Uses:Basic Systems, Outdoors, Home
Jeff
Minneapolis, MN
5 Stars
I would recommend this item to a friend.
Excellent Quality
August 15, 2011
Great speakers . really surprised at the quality for the
price.
Pros:Surprised at the quality, Great sound, Good Power Output
Cons:Need longer lead wire
Best Uses:Outdoors
Joe
Racine, WI
5 Stars
I would recommend this item to a friend.
Awesome!
August 3, 2011
The sound quality is great! The value for the money is
great! We will be ordering more to really complete our large
backyard for all our parties. They were great around the pool, even
with 100 people and 30 wet kids running around. It's also really
nice having them wired to the amp instead of having to charge them.
We never ran out of music, even for the 10 hours they were running.
We will be back for more!
Pros:Attractive Design, Easy to Mount, Good Power Output, Great value for the price, Great Sound Quality, Easy To Setup, Great sound
Best Uses:Outdoors
JNo
Burlington, Ontario
5 Stars
I would recommend this item to a friend.
Rock solid
August 1, 2011
Sounds and looks great.
Pros:Attractive Design, Great Sound Quality
Best Uses:Outdoors
Ren
Chino, Calif.
5 Stars
I would recommend this item to a friend.
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