Used open-back headphones from Ultrasone in very good used condition.
The HFI-15G is also gentle on the hearing system: S-Logic ™ natural surround sound technology allows up to 40% lowering of the output sound pressure level (3-4dB) for the same volume perception. This solution significantly reduces the risk of hearing damage.
Reproduction method: S-Logic ™ natural surround sound technology
Shielding: LE (= low emission)
The principle: open dynamic headphones
Frequency range: 20Hz to 20kHz
Sound pressure level: 96dB
Converter: ⌀40mm, mylar
Weight without cable: 85g
Cable length: 1m
Connector: gold plated jack3.5 / 6.3mm jack