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Fischer Amps and Sennheiser launch first custom in-ears with TrueResponse Technology

Fischer Amps and Sennheiser launch first custom in-ears with TrueResponse Technology
Fischer Amps and Sennheiser launch first custom in-ears with TrueResponse Technology

Fischer Amps, acclaimed German manufacturer of monitoring solutions for sound engineers and artists, has teamed up with audio specialist Sennheiser to create a truly exceptional in-ear, the FA 500 Custom. These in-ear monitors combine meticulously handcrafted custom ear moulds by Fischer Amps with the transducer of Sennheiser’s top-of-the-range IE 500 PRO. Featuring Sennheiser’s TrueResponse technology, the in-ears open up a completely natural, clear and spacious sound stage, enabling musicians and engineers to fully focus and critically monitor their sound.

The FA 500 Custom is exclusively distributed via Fischer Amps, and is now available in EMEA.

Jochen Fischer, founder and owner of Fischer Amps, describes what makes the FA 500 Custom so special: “At the heart of each precisely crafted ear mould sits a truly incredible dynamic wideband transducer, which allows you to precisely monitor the entire audio frequency range with a THD of as low as under 0.08%. Having just one transducer does away with the cross-over effects and phase differences known from balanced-armature types that operate with multiple drivers.”

He adds: “Custom ear moulds are probably the single best investment that you can make to improve your performance. If you are able to hear precisely, you know exactly where to tweak your sound.”

The FA 500 Custom deliver a particularly wide and deep sound stage that allows musicians to easily localise themselves in the mix. It is fitted with a detachable cable with a reinforced ear hook and break-proof inner cable duct: The cable’s sturdy anti-kink sleeve sits directly on the ear mould, providing a long-lasting solution for the rigours of stage use. The clear, twisted-pair cable provides optimised resistance to structure-borne noise.

TrueResponse relies on a single, high-performance driver to reproduce monitor sound. Other in-ears in the same price range work on the balanced armature principle, which requires multiple drivers to reproduce the frequency range. This may lead to cross-over effects and phase differences between the individual drivers. The sound will not be as clear and accurate as with a high-performance dynamic transducer.

A further benefit of TrueResponse: With the sound being so precise and detailed, the acoustical stress for the wearer is reduced. Users will find that they can set their monitors to a lower level than usual, actively contributing to protecting their hearing. Even so, the sound still has punch, even in the loudest of surroundings.

The FA 500 Custom features a frequency response of 6 to 20,000 Hz; if needed, it can take sound pressure levels of up to 126dB. THD is ultra-low at under 0.08% (1 kHz, 94 dB). Noise attenuation is around 26dB. Further specifications: an impedance of 16 Ohms, magnetised field strength of 2mT and an operating temperature range of -5°C to +50°C.

1st July 2021

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