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The FiiO LL-RCA1 is a premium 3.5mm TRRS to RCA digital audio coaxial cable built with 164 strands of silver-plated copper, graphene-coated aluminum foil shielding, CNC-machined aluminum connectors, and gold-plated plugs for clean, stable, and interference-free digital audio transmission. Validated through 5,000 plug-unplug cycles and multiple durability tests. Available in 20cm (LL-RCA1S) and 80cm (LL-RCA1M).
FiiO LL-RCA1 Premium 3.5mm to RCA Digital Audio Coaxial Cable - Silver-Plated Copper & Graphene Shielding
The FiiO LL-RCA1 is a premium 3.5mm to RCA digital audio coaxial cable engineered for audiophiles and hi-fi enthusiasts who demand uncompromising signal purity, mechanical durability, and precision build quality in every connection. Whether linking a digital audio player, DAC/AMP dongle, or portable source to an external DAC, active speakers, preamplifier, or any device with an RCA coaxial input, the FiiO LL-RCA1 ensures every digital signal is transmitted with maximum integrity and zero compromise.
At the heart of the LL-RCA1 is a conductor assembly of 164 strands of high-purity silver-plated copper wire. Silver-plated copper offers meaningfully lower resistance and superior signal conductivity compared to standard bare copper, ensuring that the digital coaxial signal travels from source to destination with minimal loss and distortion. A secondary layer of 128 strands of braided bare copper complements the primary conductors, further reinforcing the cable's electrical performance and structural integrity.
Shielding is equally uncompromising. The FiiO LL-RCA1 employs graphene-coated aluminum foil shielding that completely encases the internal conductor assembly. Graphene, as one of the most electrically conductive materials known, provides exceptional electromagnetic interference rejection, keeping the digital audio signal clean and stable even in environments with high RF or EMI interference. This is particularly important for coaxial digital audio transmission, where signal integrity directly impacts the quality of decoded audio.
The mechanical construction of the LL-RCA1 reflects the same attention to detail found across FiiO's premium product lineup. The connector housings are CNC-machined from full aluminum alloy, delivering outstanding structural rigidity and a premium metallic tactile experience. All plugs are gold-plated for excellent long-term conductivity and resistance to oxidation, ensuring a consistently reliable connection over years of use. The 3.5mm plug is a 4-conductor TRRS design optimized for stable digital signal output, while the internal wires are supported by an elastic PVC inner sheath for added flexibility and protection under repeated bending.
The exterior of the FiiO LL-RCA1 is finished with a reinforced mesh outer sheath that provides superior abrasion resistance, long-term wear durability, and a premium feel in hand. Every unit undergoes rigorous laboratory validation including 5,000 plug-unplug cycles, salt-spray corrosion testing, tensile and bending stress testing, compression testing, and high and low temperature exposure testing - ensuring the LL-RCA1 is built to last far beyond the expectations of a standard audio cable.
The FiiO LL-RCA1 is available in two lengths: 20cm (LL-RCA1S) for compact desktop setups where source and DAC sit in close proximity, and 80cm (LL-RCA1M) for more flexible arrangements. Compatible with FiiO DM13, JM21, and any digital audio player, DAC/AMP, smart TV, DVD player, or preamplifier equipped with a 3.5mm coaxial output and RCA coaxial input. Each cable ships with a silica gel pack for moisture protection during storage and transport.
| Brand | FiiO |
|---|---|
| Type | Cables |
| SKU | LL-RCA1M (80cm) |