final Audio

final Audio: Heaven IV Black (Demo)


Please note that these final Legacy products are no longer supported by conventional warranty. Instead a 7 day warranty will be available for product replacements and refunds in the event that the item is non-functional upon arrival.

This is a brand-new demo unit that is available only without the box: Only make this purchase if this is okay with you.

BAM air control mechanism has been developed further, and a small, simpler product has been achieved. Comprehensively reproduces the vivid atmosphere of live music.

Our special BAM (Balancing Air Movement) Mechanism, which optimizes air movement inside the housing, has pushed the evolution of earphone body design to the next level with a simpler structure and slimmer body. The result is a balanced, natural sound that reduces unwanted sibilant high-frequency sounds. The heaven Ⅳ delivers deep spatial expression and a true "live sound" atmosphere.

A highly rigid stainless steel housing machined with the utmost precision for a new BAM type

The housing, which has been machined from stainless steel, appears simple at first. But the inside has been precision machined. To achieve the new BAM mechanism, it was necessary that the precision with which the housing was machined be higher than usual. This paid off; it was possible to make the internal structure simpler than it was previously, and the effect of the new BAM has been shown across all bands. We succeeded in suppressing the bracing high tones typical of balanced armature types without sacrificing clarity. The sound quality, with its three-dimensional spatial representation and sense of speed is the same as before, and a natural sound quality you don't tire of listening to has also been achieved.


Product code FI-HE4BVI3 / FI-HE4BWH3 / FI-HE4BBL3
Housing Machined stainless steel
Driver Balanced armature
Sensitivity 112dB
Weight 16g
Cord length 1.2m

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