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Radically upgrade your sound and music experience with this 100dB HiFi Bluetooth speaker/portable audio monitor. 50 hours playtime!
1,083 backers pledged £84,768 to help bring this project to life.

Acoustic Specs / Changing Your Address Reminder / What’s Next

Posted by Frankenspiel Ltd. (Creator)

It’s not long now until these shelves and blue boxes in the picture below are full of your FS-Xs in warehouse locations all around the world! Our team has been working hard organising and preparing these warehouses in the last few weeks and are standing by for our biggest shipment (thanks to you backers) since Frankenspiel was founded in 2011.

Part of our warehouse in the Netherlands from where European pledges will be fulfilled.

Acoustic Specs

We promised in the last update that we would be providing you with final acoustic specs of the FS-X. We can now present these numbers below:

“Amplifiers are limited in the electrical energy they can amplify, while loudspeakers are limited in the electrical energy they can convert to sound energy without distorting the audio signal or being damaged.” (Source: Wikipedia)

We will be publishing a White Paper on aspects of the FS-X solution. However, we’d like to comment and highlight a few bits of key information:

The amplification technology we use is extremely efficient. Given a modest battery size, the amp circuit can deliver relatively enormous amounts of electrical energy. Its efficiency is demonstrated by the fact that it generates very little, if any, heat.

In turn, the Speaker driver is capable of converting this electrical energy to sound energy without distorting the audio signal or suffering damage.

The key to understanding what is happening with the FS-X is the combination of a high-tech amp and BMR driver, meaning that it is capable of delivering sustained electrical and sound energy. The FS-X really does “punch above its weight”.

Changing Your Address Reminder

As we are getting close to the shipping date, we wanted to remind you that for those who want to change your address there is still time.

Please refer to Update #43 for full details on how to do this.

We will give you a final chance to do this upon issuing the delivery dates for your country.

What’s Next

We will post a video showing stereo operation and pairing. We will be providing you with delivery dates for your country. We will give you a final chance to change your address in consideration to the final delivery dates.

Thank you for supporting us, please don’t hesitate to get in touch if you have any problems.

All the best,

The Frankenspiel Team

iwieiwiw, Lee Gibson, and 28 more people like this update.


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    1. Missing avatar

      nicola iselle on

      Thanks for this message!!

    2. Gustav Öst on

      Time for another update!

    3. Lo Ming on

      I've told my son to tell me how great Frankenspiel FS-X is in front of my grave.

    4. Rico Maier

      Hi how it looks now with the shipping date in the Switzerland and the rest of the world please do write to me and all other Backers thank you.
      Gruss Backer Rico

    5. Missing avatar

      Filip Murmak on

      Another 16 days from the last update. It would be nice to know more.

    6. Missing avatar

      bsl100 on

      The Power Output figures correlate with what I have been mentioning for some time now. The Peak figures read as 50 - 70 Watts, which is roughly 6 - 8 RMS. Whats not mentioned is the Total Harmonic Distortion (THD) figures. These figures could be from 0.1 - 10% THD. Higher wattage figures can be published if its rated at higher THD. Also, there is no mention of the Frequency Range for these readings. Though, small portable speakers normally don't give out such details.

      The FS-X looks to be delayed further. There is no commitment on dates yet. I am still okay with this if its to do with getting the product right. But, the updates seem to suggest that everything is in place. I am eagerly awaiting a video of the sound quality of the FS-X in action. Also, the True Wireless Stereo part could be shown. At least this much can be expected from the creators if the product is ready to get into mass production.

      Chinese production was down last week as there were the Golden Week holidays there from the 1st to the 7th. Wonder how the 1st week was committed in the first place.

    7. Kirill on

      i live in IL, USA. ill probably get it in a month lol

    8. Marcus Sundman on

      JB: "We are still unable to give a precise date, but we are now only a few days away from being able to do so." That's what they wrote almost two months ago, and I assume that's still the case. So, only a few days more.

    9. Kirill on

      i hope days lol but ill be happy if its this month

    10. JB on

      Looking forward to hear the delivery date. Are we talking about days or weeks before the delivery dates will be published?