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BLON BL-A8 Prometheus

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The BLON BL-A8 Prometheus are a pair of IEMs defined by their striking appearance. With an unusual openwork shell, the Prometheus is sure to turn heads and invite conversation.

Powered by a single 10-millimetre lightweight diaphragm driver, these IEMs aren’t all about looks. Sonically, the BL-A8 Prometheus is defined by its powerful bass.

This bass is achieved with a low-frequency boost that can at times leave the bass sounding somewhat artificial. However, it is a powerful effect with plenty of depth and resolution. Bass-heads hungry for powerful rumbles and basslines with massive presence will find both readily available from the BL-A8.

In the mids, the Prometheus’ accentuated bass can sometimes dampen the presence of mids. However, when the balance is right, mids are presented with an exciting edge and clarity.

Treble on the BL-A8 Prometheus comes across bright and with exceptional extension. While extremely clear, this can sometimes leave the high-end sounding a tad artificial -- much like the bass tuning. 

Although the BL-A8’s tuning is not too concerned with pinpoint accuracy, it’s an enjoyable tuning that many listeners will find desirable. Especially bass fanatics eager to get some real umph out of their IEMs.


  • Drivers: 10mm lightweight diaphragm
  • Impedance: 32Ω
  • Sensitivity: 115dB
  • Frequency range: 20Hz-20kHz
  • Interface: Standard 2 pin
  • Plug: 3.5mm
  • Cable length: 1.2m

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