Whether RCA (Cinch) or XLR: high-quality audio cables connect your CD player, DAC, streamer, preamplifier and power amplifier without interference. At in-akustik you will find audio cables in four quality tiers, from the handcrafted Reference cables with AIR technology out of our Black Forest facility in Germany to the universal Star cables by the meter. Engineered for the highest signal integrity, designed for discerning audiophiles.
S25 Interconnect Cable | RCA
The S25 Interconnect Cable provides a sonically neutral and technically clean connection for high-quality hi-fi applications. Its highly flexible construction and discreet design ensure easy integration into existing systems. The signal conductors are made of high-purity, oxygen-free copper (OFC) and insulated with foamed polyethylene – a material with an especially low dielectric constant that supports low-loss signal transmission. The symmetrical dual-mono design with separate conductors for positive and negative ensures stable and low-interference signal routing. A dense braid of 186 fine copper strands serves as effective shielding against external interference – such as from Wi-Fi or Bluetooth devices. The gold-plated full-metal connectors provide long-term reliable contact with low transition resistance and high mechanical stability. The cable is manufactured in Germany and each unit is individually tested for signal continuity. Click here to discover exciting details
S25 Interconnect Cable | XLR
The S25 Interconnect Cable offers a sonically neutral and technically high-quality connection for demanding hi-fi and studio applications. Its highly flexible design and discreet appearance allow for easy integration into any setup. The signal conductors are made of highly pure, oxygen-free copper (OFC) and insulated with foamed polyethylene - a material with a particularly low dielectric constant that promotes low-loss signal transmission. The true balanced construction with separate conductors for hot, cold, and ground ensures stable, low-noise signal routing and enables effective suppression of hum interference and external noise sources. A dense copper braid made of 186 fine wires serves as effective shielding against external influences such as Wi-Fi, Bluetooth, or power supplies. The gold-plated solid metal XLR connectors guarantee a permanently reliable contact with low contact resistance and high mechanical stability. The Connect 212 is made in Germany and individually tested for signal integrity - ensuring uncompromising quality and long-lasting listening pleasure. Click here to discover exciting details
NF-RCA
The Exzellenz audio cable has two separately routed shields. This optimally protects the sensitive audio signals against external interference. The silver-plated conductor transports the analog music signal extremely precisely and enables a crystal-clear and dynamic sound even with high-resolution audio formats. The solid, 24k gold-plated full metal connectors ensure optimum contact and minimal contact resistance on a long-term basis.
NF-XLR
The extremely elaborate, double-symmetrical design of the Exzellenz stereo audio cable, combined with the 3-fold shielding, provides optimum protection for the fragile audio signals and reduces external interference to a minimum. The silver-plated conductors transport the analog music signal precisely and enable a dynamic and crystal-clear sound, especially with high-resolution audio formats. The solid, 24k gold-plated contacts guarantee optimum contact and minimal contact resistance.
S25 Phono Cable | RCA
Phono signals are among the most delicate signals in the entire hi-fi chain: The output levels of MM and MC systems are in the millivolt and microvolt range, respectively — and are correspondingly sensitive to any interference in the signal path. The S25 phono cable is designed precisely for this requirement: It transmits these delicate signals with neutral sound and technical precision—from the record player to the phono stage, without loss, without coloration, and without compromise. At the heart of the S25 phono cable are signal conductors made of high-purity, oxygen-free copper (OFC), insulated with foamed polyethylene—a dielectric with a particularly low dielectric constant for low-loss signal transmission. The balanced dual-mono structure carries the positive and negative signals via separate conductors—this reduces crossover interference and ensures stable, low-noise signal transmission from the record player to the phono preamp. A dense shielding braid made of 186 fine copper wires protects against external interference sources such as Wi-Fi or Bluetooth devices. A separate ground wire reliably dissipates any remaining interference from the record player—for a quiet, hum-free soundstage. The gold-plated solid-metal connectors ensure consistently reliable contact with low contact resistance and high mechanical stability. The highly flexible construction and understated design blend seamlessly into any existing system. Like all cables in the S25 series, the phono cable is manufactured entirely in our cable factory in Ballrechten-Dottingen—assembled by hand and individually tested for flawless signal transmission. Made in Germany. No frills. Just clean engineering. Click here to discover exciting details
S25 Phono Cable | XLR
Phono signals are among the most delicate signals in the entire hi-fi chain: The output levels of MM and MC systems are in the millivolt and microvolt range, respectively — and are correspondingly sensitive to any interference in the signal path. The S25 phono cable is designed precisely for this requirement: It transmits these delicate signals with neutral sound and technical precision—from the record player to the phono stage, without loss, without coloration, and without compromise. At the heart of the S25 phono cable are signal conductors made of high-purity, oxygen-free copper (OFC), insulated with foamed polyethylene—a dielectric with a particularly low dielectric constant for low-loss signal transmission. The balanced dual-mono structure carries the positive and negative signals via separate conductors—this reduces crossover interference and ensures stable, low-noise signal transmission from the record player to the phono preamp. A dense shielding braid made of 186 fine copper wires protects against external interference sources such as Wi-Fi or Bluetooth devices. A separate ground wire reliably dissipates any remaining interference from the record player—for a quiet, hum-free soundstage. The gold-plated solid-metal connectors ensure consistently reliable contact with low contact resistance and high mechanical stability. The highly flexible construction and understated design blend seamlessly into any existing system. Like all cables in the S25 series, the phono cable is manufactured entirely in our cable factory in Ballrechten-Dottingen—assembled by hand and individually tested for flawless signal transmission. Made in Germany. No frills. Just clean engineering. Click here to discover exciting details
S25 Subwoofer Cable | Mono
The S25 Subwoofer Cable is specially designed for the lossless transmission of low-frequency signals in home theater and hi-fi setups. Its elegant, unobtrusive design and high flexibility allow for discreet and easy integration into any system. The signal conductors, made of highly pure, oxygen-free OFC copper, are insulated with foamed polyethylene - a dielectric with an especially low constant that minimizes signal loss and ensures precise, dynamic bass reproduction. The symmetrical construction with separate conductors for signal and ground, along with dense, interference-free shielding, effectively protects against disturbances from Wi-Fi, Bluetooth, or mobile signals. The tightly woven copper braid made from 186 strands ensures clean signal transmission even in demanding environments. Robust solid metal connectors with gold-plated contacts provide consistently low contact resistance and a reliable connection - even after many plug cycles. Each cable is handcrafted in our workshop and individually tested to guarantee the highest quality and long-lasting performance. Click here to discover exciting details
Sub-Mono
The Exzellenz mono subwoofer cable has two separately routed shields. This optimally protects the sensitive audio signals against external interference. The silver-plated conductor transports the analog music signal extremely precisely and enables a crystal-clear and dynamic sound even with high-resolution audio formats. The solid, 24k gold-plated full metal plugs ensure optimum contact and minimal contact resistance on a long-term basis.
S25 Subwoofer Cable | Y-Sub
The S25 Subwoofer Cable is specially designed for the lossless transmission of low-frequency signals in home theater and hi-fi setups. Its elegant, unobtrusive design and high flexibility allow for discreet and easy integration into any system. The signal conductors, made of highly pure, oxygen-free OFC copper, are insulated with foamed polyethylene - a dielectric with an especially low constant that minimizes signal loss and ensures precise, dynamic bass reproduction. The symmetrical construction with separate conductors for signal and ground, along with dense, interference-free shielding, effectively protects against disturbances from Wi-Fi, Bluetooth, or mobile signals. The tightly woven copper braid made from 186 strands ensures clean signal transmission even in demanding environments. Robust solid metal connectors with gold-plated contacts provide consistently low contact resistance and a reliable connection - even after many plug cycles. Each cable is handcrafted in our workshop and individually tested to guarantee the highest quality and long-lasting performance. Click here to discover exciting details
S25 Digital Cable | RCA
The S25 Digital Cable meets the highest standards of sonic fidelity and technical precision in digital signal transmission. With its precisely matched impedance of 75 ohms, it is perfectly suited for all common digital audio interfaces and guarantees lossless, low-jitter transmission - even with high-resolution formats. The signal conductors are made of highly pure, oxygen-free OFC copper and insulated with foamed polyethylene (PE). This dielectric, containing microscopically enclosed air bubbles, ensures particularly low capacitance, minimizes signal loss, and preserves the integrity of even the finest digital signals. A dense copper braid made of 186 fine strands effectively shields the signal from external interference such as Wi-Fi, Bluetooth, or mobile networks. The robust, highly flexible construction and discreet design allow for easy and seamless integration into any hi-fi system. Gold-plated solid metal connectors ensure consistently low contact resistance and reliable connectivity - even after many plug cycles. Each cable is manufactured in Germany and individually tested for signal continuity to ensure uncompromising quality and long-lasting performance. Click here to discover exciting details
Digital coaxial cable
With the Exzellenz digital cable, the sensitive audio data is also optimally protected against external interference by two separately routed shields. The digital music signal is transported precisely (low jitter) thanks to the silver-plated conductor and the perfectly-adapted impedance, so that a natural and dynamic sound is guaranteed, even with high-resolution audio formats. Solid, 24k gold-plated metal plugs ensure optimum contact and minimal contact resistance on a long-term basis.
Digital cable XLR AES/EBU
The Exzellenz AES/EBU digital cable is specially designed for the professional 110 ohm AES/EBU standard. The symmetrical design and triple shielding minimize interference and provide optimum protection for sensitive audio data. The digital music signal is transported with precision (low jitter) thanks to the silver-plated conductors and the perfectly-adapted impedance. This enables a natural and dynamic sound, especially with high-resolution audio formats. The solid metal plugs with 24k gold-plated contacts ensure optimum contact and minimal contact resistance.
Digital Opto
The conductor of the Exzellenz optical cable consists of a special polymer fiber (PMMA) and is fitted with high-quality, solid TOSLINK connectors. An elaborate assembly process reduces light refractions in the fiber and also any jitter effects to a minimum. This brings a natural, dynamic and homogeneous sound even with high-resolution audio formats.
S25 Connect XLR connector (f)
The S25 Connect XLR plug is suitable for custom assembly of audio, digital, and subwoofer cables. Unlike simple tin-plated RCA plugs with plastic housings, its contact material is made of solid brass with excellent conductivity. The gold-plated contacts are permanently protected against corrosion. For stability and a timeless appearance, the precisely machined sleeve is made of solid aluminum, turned, glass bead blasted, and anodized. It provides mechanical protection for the transition zone between cable and plug while also reducing interference. The connector is designed for cables with a diameter of up to 8.5 mm, giving you flexibility in the choice of cable.
S25 Connect XLR connector (m)
The S25 Connect XLR plug is suitable for custom assembly of audio, digital, and subwoofer cables. Unlike simple tin-plated RCA plugs with plastic housings, its contact material is made of solid brass with excellent conductivity. The gold-plated contacts are permanently protected against corrosion. For stability and a timeless appearance, the precisely machined sleeve is made of solid aluminum, turned, glass bead blasted, and anodized. It provides mechanical protection for the transition zone between cable and plug while also reducing interference. The connector is designed for cables with a diameter of up to 8.5 mm, giving you flexibility in the choice of cable.
XLR connector (f)
Solid XLR connector for almost perfectly balanced connections.
XLR connector (m)
Solid XLR connector for almost perfectly balanced connections.
RCA connector (m)
The Exzellenz RCA connector boasts a solid metal housing, refined contacts (24k gold plating) and easy installation thanks to the twist-on method.
S25 Connect RCA connector
The S25 Connect RCA plug is suitable for custom assembly of audio, digital, and subwoofer cables. Unlike simple tin-plated RCA plugs with plastic housings, its contact material is made of solid brass with excellent conductivity. The gold-plated contacts are permanently protected against corrosion. For stability and a timeless appearance, the precisely machined sleeve is made of solid aluminum, turned, glass bead blasted, and anodized. It provides mechanical protection for the transition zone between cable and plug while also reducing interference. The connector is designed for cables with a diameter of up to 8.5 mm, giving you flexibility in the choice of cable.
Bolide absorber
The Exzellenz Bolide shock absorber consists of a special rubber compound and an elaborate lamella design for optimum damping of vibrations between devices and the locations on which they are standing.
Exzellenz II audio cable
The Exzellenz II cable is the bulk version for the following finished cables: 006050007 and 006051007. The cable has triple shielding to protect it from interference such as EMC radiation. Polyethylene (PE) reduces the capacitance problems of the cables, making the sound even more brilliant and spatial.
Exzellenz II Dual Coaxial
The Exzellenz II cable with the dual coaxial structure is the bulk cable for the following: 006041007, 00604202 and 006044007. The cable has double shielding to protect it from interference such as EMC radiation. Polyethylene (PE) reduces the capacitance problems of the cables, making the sound even more brilliant and spatial.
Interconnect Cables: Unlock Your System's True Potential
What are Interconnect cables and why do they matter?
Interconnect cables form the critical link between components in your audio system, carrying line level signals from source equipment through your preamp to your power amp and speakers. These cables connect your CD player to amplifier, DAC to powered monitors, or turntable to receiver - ensuring pristine signal transfer at every stage.
The difference between standard cables and premium interconnects reveals itself immediately: reduced distortion, enhanced clarity, and the ability to hear subtle details that lesser cables simply cannot deliver. Quality interconnect cables don't just connect - they preserve the musical integrity your components were designed to produce.
Do interconnect cables make a difference?
Absolutely. While the extent varies depending on system resolution, experienced audiophiles consistently agree that cables matter. High-quality interconnects with superior shielding and advanced conductor materials enhance sound quality by blocking noise interference and maintaining signal integrity across every connection.
The benefits become unmistakable in revealing systems: tighter bass response, expanded soundstage depth, and crystalline clarity that brings you closer to the original performance. Premium interconnects help your equipment deliver the best performance possible, making them essential for audiophiles who demand nothing less than reference-grade fidelity.
in-akustik's AIR Helix technology: Engineering Excellence
What sets in-akustik interconnect cables apart is our proprietary AIR Helix technology - a breakthrough in cable design that redefines what's possible in signal transmission. This innovative construction uses an air-dielectric approach where conductors spiral in a precisely calculated helix pattern with minimal insulation contact.
The advantage is profound: air has the lowest dielectric constant of any practical insulator, which means dramatically reduced capacitance and virtually eliminated signal interference. Your audio system can finally produce the transparent, natural sound it was designed to deliver, free from the coloration and distortion that conventional cable designs introduce.
RCA interconnect cables: Universal compatibility
RCA interconnect cables remain the standard in high-quality audio systems, offering reliable connections for most home equipment. Our RCA cables feature high-purity copper conductors, precision-machined connectors with gold plating, and multi-layer shielding designed to block noise interference from nearby electronics.
Whether connecting source components to amplifiers or linking processors in your signal chain, our RCA interconnects maintain signal quality over short to medium runs. The robust construction ensures long-term reliability, while the superior shielding keeps your listening experience free from unwanted hum or electromagnetic interference.
XLR and balanced interconnects: professional-grade performance
Balanced XLR interconnects offer clear technical and sonic advantages in high-end audio systems, both over standard and longer cable runs. By transmitting the signal differentially, they effectively reject noise and preserve signal integrity. Even over moderate distances, systems can benefit from a cleaner soundstage, lower noise floor, and enhanced microdetail resolution.
Over longer runs or in electrically noisy environments, the benefits become even more pronounced: XLR cables minimize hum and common-mode interference, maintain dynamic contrast, and support a more precise spatial image. Many audiophiles report that XLR connections deliver an overall more controlled, transparent, and detailed performance, making them a preferred choice for high-end enthusiasts seeking maximum fidelity and signal purity.
Conductor materials that enhance your listening experience
We offer interconnect cables with carefully selected conductor materials to match different sonic preferences and system requirements. High-purity copper delivers warm, balanced sound with excellent detail retrieval. Silver-plated copper conductors provide enhanced clarity and dynamic precision, revealing fine details in complex musical passages.
For ultimate transparency, our ultra-pure silver conductors preserve the finest sonic nuances, creating an exceptionally revealing listening experience. Select models feature cryogenically treated conductors, where extreme cold refines the metal's crystalline structure to further reduce distortion and deliver a more natural, effortless sound.
Superior shielding: Block noise interference
Modern homes are filled with potential interference sources: Wi-Fi routers, smartphones, dimmer switches, and other electronics that generate electromagnetic noise. Our interconnects incorporate multi-layer shielding designs - combining braided copper and foil barriers - that effectively block these unwanted signals before they reach your amplification stages.
This superior shielding ensures your audio system produces clean, grain-free sound even in challenging electrical environments. Combined with our AIR Helix geometry, which physically separates conductors from interference sources, you get the quietest possible background for your music to emerge from.
Finding your perfect interconnect cable
Our range spans from high-performance entry models to reference-grade statement series cables, each designed to deliver exceptional value at its price point. Entry-level options provide immediate improvements over generic cables, while mid-range interconnects incorporate advanced materials and enhanced shielding for discerning enthusiasts.
Our premium and statement series cables employ our most sophisticated technologies - including AIR Helix construction, exotic conductor materials, and hand-assembled connectors - for systems where ultimate fidelity matters. Every cable in our lineup benefits from decades of acoustic research and engineering expertise, ensuring you hear music the way artists intended.
The in-akustik advantage
When you choose in-akustik interconnect cables, you're investing in German engineering precision and uncompromising quality. Our cables are built to exacting standards using materials selected for sonic performance rather than cost considerations. From our entry series to flagship models, every interconnect cable we produce reflects our commitment to helping audiophiles achieve their ideal listening experience.
The right interconnect cables don't just connect components - they complete your system, unlocking performance capabilities you've invested in but may never have fully heard. Whether you're building your first serious audio setup or refining a reference system, our interconnects ensure every component performs at its absolute best.
Experience the difference that truly engineered cables make. Your system deserves interconnects designed with the same passion and precision as your finest components. Explore our complete range and discover how in-akustik can transform your listening experience.
Breathtaking sound thanks to air insulation - we have already created many innovative designs on the way to perfect insulation, such as DUO-PE insulation or PETS (PE Tube Support). The Referenz NF-2405 cable is another true milestone and an absolute world first in the cable sector. Normally, the conductors are kept at a distance from each other by more or less high-quality filling and insulation materials. With the NF-2405, however, the conductors run through a series of clips connected in series, which form the inner framework and give the NF-2405 exceptional flexibility for high-end cables. The NF-2405 is manufactured entirely in Germany, like all speaker and audio cables in the Referenz series. The clips are assembled by hand with meticulous care in the company's own factory and then the Cross Link super-speed waveguide is threaded in. The resulting Air Helix is then also shielded by hand and fitted with a PE network jacket before the finished cable is assembled with the XLR 180° connectors developed in-house. New XLR 180° plug: It is only possible to insert XLR connectors in one direction. This can be annoying as the position of the XLR sockets in devices varies. In order for the cable to fit, it must sometimes be twisted by force. This puts a strain on cables, plugs and device sockets and sometimes simply looks a mess. The new XLR 180° plugs developed in-house can be rotated by +/- 45 degrees, i.e., up to a total of +/- 90 degrees from connector to connector. The finishing touch for perfect cabling. Click here and discover the exciting details
The RCA and XLR outputs on hi-fi components transmit very weak signals and are therefore highly sensitive to a cable’s electrical properties—particularly its capacitance. High cable capacitance acts like a low-pass filter: it attenuates high frequencies and causes phase shifts that degrade the musical reproduction. Micro AIR technology consistently reduces capacitance, thereby preserving the integrity of the audio signal—for unadulterated reproduction across the entire frequency spectrum, from powerful bass to the finest high-frequency details. Another critical factor is signal noise within the conductor structure. Uncontrolled contact points between the individual wires can generate micro-distortions that manifest sonically as an unpleasant “hissing” sound during S-sounds, among other things. The specially developed Guided Copper construction of the NF-404 specifically addresses this problem: The individual conductors are precisely separated and insulated from one another by PE wires. This ensures a defined structure and a consistent, low-loss signal flow. The symmetrical architecture of the NF-404 Micro AIR also offers high immunity to electromagnetic interference. In environments with numerous potential sources of interference, such as switching power supplies, Wi-Fi, or cellular networks, stray signals are effectively compensated for. The result is stable, low-interference transmission. Whether used on its own or in combination with the LS-404 speaker cable, the NF-404 Micro AIR unlocks the full sound potential of your system and delivers an open, precise, and detailed sound. Click here and discover the exciting details
Cable capacitance plays a decisive role, especially for audio cable connections between individual devices. As the signal sources are very weak and react sensitively to high cable capacitance, audio cables are virtually predestined for air insulation using air helix technology. Adding another highlight to this perfect audiophile foundation, we then focused on the conductor material of the cables. Copper in the appropriate purity is already a very good conductor. A superconductor, where electrical resistance is zero, would be perfect, of course. Unfortunately, superconducting materials require temperatures of at least -70 degrees. Under realistic operating conditions, the best conducting material we have is currently silver. At 61.35 S/m (Siemens pro Meter), its conductivity is approximately six percent superior to that of copper. However, this precious metal is about 100 times more expensive. New XLR 180° plug: It is only possible to insert XLR connectors in one direction. This can be annoying as the position of the XLR sockets in devices varies. In order for the cable to fit, it must sometimes be twisted by force. This puts a strain on cables, plugs and device sockets and sometimes simply looks a mess. The newly developed XLR 180° plugs can each be rotated by +/- 45 degrees, i.e. +/- 90 degrees in total. The finishing touch for perfect cabling. Click here and discover the exciting details
Compared to the NF-204 Micro AIR, the NF-104 Micro AIR has a conventional, coaxial architecture. In addition to the Micro AIR technology, another special feature of the NF-104 is the newly developed RCA connector, which is completely solder-free. Omitting the solder significantly reduces transition resistance and element formation. As the name suggests, the NF-104 harmonizes particularly well with the LS-104 speaker cable. Both cables are the perfect way of entering the world of Micro AIR technology. Click here and discover the exciting details
