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Black cube 98 by 98 by 106 mm with glass chamber showing magnetic fluid reacting to sound

NO.

NO. Ferrofluid Sound Visualizer Black 98x98x106mm 710g 3000mAh

SKU CH-XZG9-N9JRC

A desktop lamp visualises music through magnetic fluid that reacts from 100 Hz to 20 kHz, powered by a 3000 mAh battery via USB-C

  • Product colorBlack
  • Product typeBluetooth Streamer
  • Music-reactive ferrofluid display dances to live sound
  • 3000 mAh battery powers portable desktop visualizer
  • USB-C 12 V input charges in compact 98 × 98 × 106 mm frame
  • 710 g glass-and-ABS unit switches between pickup and AUX modes
  • Cold background lighting adds ambient glow to 4 ml magnetic fluid

Ferrofluid Sound Visualizer

The NO. Ferrofluid Sound Visualizer is a desktop display that translates audio into magnetic fluid motion. A sealed glass chamber holds 4 ml of ferrofluid that reacts to sound across a 100 Hz to 20 kHz range. The unit measures 98 by 98 by 106 mm and weighs 710 g. It runs on a built-in 3000 mAh battery or USB-C DC 12 V power.

For desk decor enthusiasts, not audio professionals

This piece suits buyers who want a kinetic art object that responds to music or ambient sound on a shelf or workstation. It offers two modes: sound-pickup via an internal microphone and AUX input for wired sources. Users needing precise audio analysis, recording-grade monitoring or a portable speaker should look elsewhere.

4 ml ferrofluid chamber reacts to 100 Hz–20 kHz

The single specification that determines suitability is the fluid volume and frequency response. Four millilitres of magnetic fluid inside a glass cell move in time with bass through treble frequencies. If the visual scale of that chamber matches the intended display space, the visualizer will perform as described.

How it compares

Measured against everything we stock in Bluetooth Earbuds & Headsets, at today’s prices. Recalculated every night.

Price $99.99
Pricier than about 85% of the 870 comparable items (median $30.99).

Specifications

Product
Product colorBlack
Product typeBluetooth Streamer

Questions about this item

Does the 4 ml ferrofluid cell ever need refilling or replacing?

The sealed glass cell holds 4 ml of magnetic fluid and is not designed to be opened, so no refill or replacement is expected during normal use.

What limits continuous operation first — the 3000 mAh battery or the 6 W power draw?

The 3000 mAh battery supplies roughly five hours of runtime at the rated 6 W before it needs recharging via USB-C.

How warm or loud does the unit get when it runs all day on the 12 V 2 A supply?

With only a 6 W rating and no moving parts, the device stays cool and silent even during extended sessions.

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