Bitmore e-Storm LabyrinthX Bluetooth Wireless Speaker Review


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Bitmore e-Storm LabyrinthX Bluetooth Wireless Speaker Review

By Steven Iglesias-Hearst

Manufacturer: A Bitmore, Ltd.
Product Name: e-Storm LabyrinthX Super Bass Speaker
Model Number: PAC 555SL
UPC: 886414705944
Price As Tested: £49.99 (Bitmore)

Full Disclosure: The product sample used in this article has been provided by Bitmore.

There are many things to consider when buying a portable bluetooth speaker. The Bitmore e-Storm LabyrinthX Super Bass Speaker (model# PAC 555SL) being tested by Benchmark Reviews today may not tick all of the boxes but it comes kind of close. The price is a little high for my liking but there are many more expensive bluetooth speakers on the market still. Maybe when the novelty wears off the prices might come down across the board and we will see better a better price to performance ratio.

The e-Storm Bluetooth Speaker has Micro SD card support up to 8GB and has an auxiliary input too. The built in lithium battery is rated for 8 hours playback and should fully recharge in 2/3 hours. A built in microphone allows you to use the e-Storm Bluetooth Speaker as a hands free speaker phone. The e-Storm Bluetooth Speaker is water resistant which means a little spray, splash or rain wont damage it. It won’t fair very well with full submersion under water however. The main downside of the Bitmore e-Storm Bluetooth Speaker looking at the specifications is the lack of a replaceable battery.


Portable devices have liberated us from the constraints of the home and even the office. Battery life and video quality are both improving constantly, but audio is generally left behind. It’s not just mobile phones that suffer from poor audio quality, tablets and laptops are generally just as bad. The problem is the size of the speakers, the magnets can’t drive the voice coils hard enough at this size and the enclosures (or lack of them) aren’t tailored for sound quality. This is why we need an exterior solution, and bluetooth audio allows us to stay portable with our devices.

Features & Specifications


  • Wireless Bluetooth
  • Hands free speakerphone / built in microphone
  • Supports micro SD card (up-to 8GB)
  • Water resistant
  • Built in lithium battery – up to 8 hours playback
  • Quick USB charging function – 2/3 hours
  • Battery saver – sleep mode function
  • Playback controls (forward, rewind, play/pause)
  • Special acoustic design structure
  • Real-time tracking volume compensation


  • Built in Lithium battery voltage: 3.7v
  • Lithium battery capacity: 400mAh
  • Recharging voltage: 5V
  • Horn specifications: 40mm 4Ω 3W
  • Frequency response:  60Hz – 18KHz
  • SNR (Signal to noise ratio): >95dB
  • Distortion degree: <0.5%
  • Size: 60 x 60 x 50mm
  • Weight: 211 grams


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