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  • Killer Concepts Rocksteady Portable Bluetooth Speaker (XS V1.5) - Matte Black
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Killer Concepts Rocksteady Portable Bluetooth Speaker (XS V1.5) - Matte Black

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List Price: $109.99
Price: $44.99 & FREE Shipping. Details
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  • Loud and Clear - The loudest and clearest portable speaker in its class. No speaker available under $200 can match its sound, performance, or durability. And no speaker under $200 can match its value.
  • 10 hours per charge - Micro-USB charging port, so there is no need to carry around heavy charging plugs and proprietary cables. 10 hours of playback per charge, and expandable to forever thanks to the ability to replace your battery on the fly.
  • Easy connection - Guaranteed to connect to your Smartphone or Tablet. Or connect using the supplied 3.5mm cable from your device's headphone jack. Also featuring a USB Port for MP3 Playback directly from a USB Drive.
  • 2.1 Stereo Surround Sound: Side facing speakers and a Subwoofer makes the Rock steady XS the only portable Bluetooth speaker to deliver a true Stereo Surround sound.
  • Loud and Clear The developers if the Rocksteady XS listened to customers who wanted a portable Bluetooth speaker that was loud enough to handle almost any situation, yet clear enough to play distortion free at higher volumes.^Lithium Ion Battery The Rocksteady XS uses a high quality Lithium Ion battery, giving you over 10 hours of continuous play.^USB Port for MP3 Playback or Device Charging With the USB port, you can either connect a USB thumb-drive to play MP3 files or connect the supplied micro-USB charging cable to charge your device external device.^Built in Speakerphone With a high quality built in microphone, you can now use your Rocksteady XS as a portable speakerphone.^Crank Up your Computer or Laptop.The Rocksteady XS is loud enough to blast sounds from your favorite tunes or movies on your computer or laptop.
  • Party Mode - Connect two devices at the same time. Play one track from one phone then switch to the other phone on the fly.
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14 new from $41.59 8 used from $34.00

Frequently Bought Together

Killer Concepts Rocksteady Portable Bluetooth Speaker (XS V1.5) - Matte Black + Nokia BL-5C Extended Li-Ion Battery + STK's Nokia BL-5C Battery Charger - (AC/USB Travel Charger)
Price for all three: $65.03

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Product Information

Technical Details
Brand NameKiller Concepts
Item Weight9 ounces
Product Dimensions6.5 x 2 x 2 inches
Item model numberVG2150-BT-A
Batteries:1 Lithium ion batteries required. (included)
Power Source TypeBattery
Number of Items1
  
Additional Information
ASINB00CXMFP30
Shipping Weight1 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableJune 1, 2013
  
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Technical Details

  • Brand Name: Killer Concepts
  • Model: VG2150-BT-A
  • Battery Average Life: 10 Hours
  • Media Type: MP3
  • Color Name: Matte black

Product Description

Loudest and Clearest No matter how you listen to music, the Rock steady XS is the perfect tool. The Rock steady XS is the clearest and loudest Bluetooth Portable Speaker in its class. Nothing matches its versatility, performance or sound. Don't let the plain design fool you: You hear in stereo when each ear hears a different track. The main speaker are side facing, and the top speaker is a subwoofer; delivering a true and rich stereo 2.1 sound that you have to hear to believe. The hard aluminum shell makes the Rock steady XS extremely durable. It also is the secret to our superior sound. Distortion comes when sound waves are distorted, and those waves are delivered cleanly to your ears thanks to the hard metal case. The Rock steady XS is made of an all-aluminum frame which is light weight and eliminates distortion. Party Mode allows you to connect two devices to your Rock steady XS wirelessly at the same time. The battery is designed to last all day (or all night), over 10 hours per charge. Only the Rock steady XS allows its owners the ability to swap-out the Lithium-Ion battery with another, extending your use to all day and all night. Play or pause your songs, skip to the next track, or answer a phone call, all this can be done directly from the speaker, even to control music apps. Built to use, and built to last. The only compromise is the price your pay. Guaranteed to connect to your Smartphone or Tablet. Features• Loud and clear - up to 100 dB, distortion free up until its limits.• Only true 2.1 stereo surround sound speaker in its class.• 10 hour battery life per charge, and industry only swappable battery solution.• Guaranteed to connect to your Smartphone or Tablet.• USB Port to play MP3 files directly from a USB Drive.• Bluetooth memory of the last 4 devices paired, for easy reconnections.• Built in Speakerphone.• All cables and chargers included.• 1 year warranty - with the industry's best service.

Customer Questions & Answers

Customer Reviews

Popular Discussion Topics

beta: what do you think?
  • "Sound Quality" 44
  • "Volume" 16
  • "Bass" 11
  • "Size" 8
  • "Value" 7
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Most Helpful Customer Reviews

15 of 15 people found the following review helpful By Anonynja on January 28, 2013
Verified Purchase
My first RocksteadyXS unit was received in America a few days before moving to China, and quickly found to be defective. Jeff from Killer Concepts personally helped resolve the issue, getting a replacement sent to me from Shenzhen to Chengdu via courier service. I am very pleased with my working unit.

Sound quality: I believe the Rocksteady offers the best sound quality of its class. Obviously, bigger speakers are going to offer more impressive sound- speaker diameter is a pretty straightforward concept- but for something this portable, you'd be hard-pressed to find a sweeter sounding device. I've compared it to similarly sized speakers; the Jambox (pffft), Logitech's Mobile Boombox, and a couple boutique bluetooth players- and preferred it over all of them. One of the most impressive features of the Rocksteady is its ability to play at maximum volume without any cracks or distortion. You can easily fill an average sized room with its sound.

Bluetooth: Syncs very quickly. Once your laptop or phone/whatever has recognized the Rocksteady, you can sync it from then on by pressing the Mode button once. It takes 2-3 seconds.
Unfortunately, the wireless range is very limited. I could not bring my Rocksteady more than 5-6 feet away from my laptop without its connection getting choppy. This does not bother me, as I enjoy bluetooth for allowing me to not use cords and position the speaker more freely, but should be noted.

Aesthetic & durability: I'd feel safe tossing this thing in my backpack and using it with my phone as a boombox. In fact, I do this regularly. And the thing looks slick. I'm a sucker for minimalist designs and matte black finishes. The easy access to the replaceable battery is a boon to its design.
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8 of 8 people found the following review helpful By Jeffrey B. Costello on February 1, 2013
I purchased the RockSteady XS speaker in Dec and use it everyday. The sound is incredible. It is very loud, very clear and has a good base sound to it. I found it very easy to pair with an iPhone and I like the idea of replaceable batteries, even though I haven't used that yet. For under $100, this is a great value.
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8 of 9 people found the following review helpful By Star BeGlitched on April 15, 2013
Verified Purchase
I have a Bose SoundDock and love it but wanted something smaller that I could bring to work with me everyday. At first I thought I would buy a cheap $30-40 speaker because I already have the Bose but I also looked at the speakers near $100 just for the heck of it. I stumbled across the RockSteady XS and though it is fairly new and doesn't have a lot of reviews, I decided to check it out and figured I could always return it if it didn't work out.

Some big things that made me decide to get it was finding out that the battery it uses is replaceable and costs just a couple of $$. The battery is the BL-5C battery used in Nokia phones. Ebay has some extended capacity versions that are 2450 mah, but the Rocksteady uses the 1050mah version. Both should work fine and can be charged quickly.

Along with the user replaceable battery being a selling point, the small size and the side firing dual speakers along with the vent on the top sounded like it would allow for a full and distortion-free sound. That is exactly what this speaker delivers. The bass hits harder than you would expect from a small speaker and it is plenty loud without sounding distorted or like the speaker is going to blow, even when playing very loud bass heavy dubstep.

The Bose is much louder and bass heavy, but I didn't expect this much cheaper speaker to be anywhere near the quality of the Bose. Even though this speaker costs 4 times less than the Bose (including the cost of the Bose extra battery), the RockSteady does stand up to the competition. It sounds great and is much more portable. I highly recommend this speaker to people who already have a high quality bluetooth speaker but who want something more portable that still has good sound like you are used to.
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5 of 5 people found the following review helpful By Serene on July 20, 2013
This speaker was recommended to me by a friend, and I seriously could not be happier with it! I live in Manhattan and simply don't have the space for the same stereo speakers I had before I moved here, and these speakers are awesome! I love the portability, and it gets plenty loud for when I have friends over. I use it while I cook, I take it into the bathroom when I shower. I also love using it for watching TV shows or movies on my computer - even if I don't need the sound to be that loud, it's so much more clear than just using my MacBook speakers and makes it way easier to understand the dialogue. I also love that I can take it with me to the park or the rooftop and stream music straight from my iPhone without any connector cables or anything, and the battery lasts a while, as well. It connects really easily to both my MacBook Air and to my iPhone (via bluetooth or a headset connector thing - your choice). I haven't found anything else out there that's this awesome at such a great price. Huge plus too that I can answer my phone from the speaker direclty! :)
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5 of 5 people found the following review helpful By Rich C. on July 11, 2013
I've had a couple of these types of speaker and I saw someone skating pass me with one of these and it sounded really clear so I decided to get one for myself. So far I'm very pleased with the speaker. The battery life is what it states and when I bluetooth audio to the speaker I don't notice any sound quality loss. I would highly recommend this speaker.
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