Grandmax Tweakers Microbeat Wireless Speaker, Silver


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About Grandmax

Enjoy cable-free listening experience with the Grandmax Tweakers Microbeat, a pocket size speaker (silver) with Bluetooth wireless technology. The pop-up acoustic chamber provides enhanced audio and excellent acoustics. The built-in rechargeable battery provides hours of uninterrupted music pleasure. With a portable design and with excellent sound the Tweakers Microbeat system allows you to travel anywhere and be entertained with amplified sound. Wireless capability using Bluetooth Wireless technology lets you stream music directly to the speaker. The included suction cup pad connects to the base of the speaker which allows you to place the speaker on any flat surface.

You can also use the speaker even if your device does not have Bluetooth capability, through the standard audio/charge cable that comes with the speaker. Simply flip the switch from Bluetooth to USB and connect the mini USB cable part fo the charge/audio cable and the other end (3.5mm earphone plug) to a standard 3.5mm audio port. Have the best of both worlds, using a 3.5mm cable, or wireless streaming. Lastly, Tweakers Microbeat can be attached to another Microbeat via the included USB/Audio cable, thus the entire system can have a daisy chain of multiple Tweakers Microbeat speaker, enhancing the overall environment acoustic.

Grandmax Features

  • Compact and ideal for travel
  • Unique patented twist open pop-up acoustic chamber
  • Daisy chain another Tweakers Microbeat system for enhanced acoustics
  • Frequency tuned amplifier delivers crystal clear sound
  • Built-in long-life rechargeable lithium ion battery
  • Wireless connectivity via Bluetooth wireless technology for cable-free operation
  • Allows wired connectivity via 3.5mm audio plug, connects to iPod, iPhone and most popular audio devices

Grandmax Specifications

Connection Type
Standard USB plug for charging (via included mini USB to USB adapter)
Wireless playing via Bluetooth wireless technology ro through 3.5mm audio plug for wired playing
Audio Type
Single Speaker
Power Source
Built-in long-life rechargeable Lithium ion battery
Output Power
1.5W RMS
Power Voltage
5V D5V DC (USB Power)
Amplifier Frequency Range
300Hz - 18KHz
S/N Ratio
Closed: 2.25" x 2.25" x 1.25" (5.7 x 5.7 x 3.17 cm)
Open: 2.25" x 2.25" x 2" ( 5.7 x 5.7 x 5.08 cm)
Mfr #

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Questions about this item:

Phil O  I want to use a speaker on my iPod (not BlueTooth) so need to connect by cable. If i do this is it still possible to daisy chain to other speakers or is that only possible through a Bluetooth device connection?
SAM M  Yes, there are two mini-stereo (3.5mm stereo) audio cable connections, one INPUT PLUG and one OUTPUT SOCKET; One connection is "INPUT" (circle with IN-pointing arrow) using the special cable that connects to the speaker at the mini-USB end and then splits into a USB male plug AND a mini-stereo (3.5mm stereo) male PLUG on the special cable. The second (daisy chain) connection is "OUTPUT" (circle with OUT-pointing arrow) using a mini-stereo (3.5mm stereo) female SOCKET, SEE MFG (grandmax) REF: microbeat-wireless-audio-speaker.html document
Alan S  Can't get the speaker too charge, when hooked up to a usb port on computer and speaker turned off all we get is a red flashing led, never quits.When you switch the unit to usb while charging you get an orange glow. What is wrong?
JOHN P  I don't have the speaker with me at the moment, but seem to recall that the amber charging light goes out when charged. If you have a wall USB adapter, like you would use for a phone or tablet, this works too and maybe faster than charging with your PC. If this fails, contact Grandmax directly. John
Alan S  Ended up getting a new charging cable, took care of problem. Thanks for input.
Shopper  I'm wanting a speaker for my Kindle Fire that I don't have to have plugged INTO the product, so that the speaker works remotely from say my nigthtstand while I lay in bed w/Kindle Fire watching movie, etc. Will this give me what I need/want?? Thanks!
Andrew R  Unfortunately this unit will not work wirelessly with the Kindle Fire (the Kindle does not have bluetooth).
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