Effect Audio’s King Arthur succeeds Arthur as the brand’s Flagship In-Ear Monitors (IEMs). Continuing its collaboration with Empire Ears, the new Flagship aims to not only represent the pinnacle of technologies available from both Effect Audio and Empire Ears but also seeks to be delivered with a touch of luxury and style, something that has never previously been accorded to IEMs.

Effect Audio King Arthur

When the King made its arrival at the Porta-Fi Experience Lab, his entourage was the most impressive ever for a pair of IEMs gracing the lab, 6kg to be exact, a package fitting for a King.

Design and Build

Effect Audio King Arthur - Packaging

Quite possibly the most impressive package to ever arrive at Porta-Fi. The aluminium enclosure presents itself with a leather-finished aluminium cover, embossed with Effect Audio’s logo, the genuine lambskin leather is bordered with white stitchings adding a feel of luxury. Beneath the cover, one would find three layers of content with the first housing the monitor units, the second housing the faceplates and product documentation and the third housing the Caliburn cable, the selection of ear tips and the black genuine lambskin leather carrying case.

Effect Audio King Arthur

3D printed in Acrylic in a glossy black finish with a Penta-bore design, King Arthur is equipped with a 9-way crossover circuit with 16 Balanced Armature drivers arranged in a 2 low, 7 mid, 7 high configuration. Due to the high driver count and the elaborate crossover, the IEM is sizable, however, not overly big nor heavy and is comfortable to wear.

Effect Audio King Arthur

The Flagship IEM is also the first IEM to feature the company’s Patented Convertible Clutch Mechanism which allows users to swap various faceplate designs to match your activity of the day. The classic “Vivid Acrylic” is preinstalled with the IEM with 4 pairs of faceplates featuring premium materials included in the package, namely: “Elegant Rosewood”, “Classic Carbon Fibre”, “Textured Leather” and “Metallics”.

Effect Audio King Arthur - Patented Convertible Clutch Mechanism

Effect Audio King Arthur - Faceplates

Caliburn Cable

It is perhaps difficult to talk about a product from the boutique cable manufacturer without mentioning cables. Equipped with the Flagship IEM is the Caliburn cable, a 24AWG Rare UPOCC hybrid comprising of a combination of Gold-Plated Silver, Gold Silver Alloy and Pure Silver.

Effect Audio Caliburn Cable

Named after the Sword in the Stone that chooses the King in the legend of King Arthur, the companion cable also features a unique King Arthur Designer Y-Split inspired by the Knights of the Round Table. Employing Effect Audio’s Multi-Bundled Litz Geometry, Caliburn is a 7-Core configuration made up of individually Enamelled Strands, this ensures that the companion cable is thicker than the company’s regular offerings after being finished in its transparent UltraFlexi Insulation jacket.

Effect Audio King Arthur - Y-Split

Available exclusively as a companion cable for King Arthur, bespoke options on the 1.2m cable is limited to a choice of the plug with a choice of 2.5mm Balanced, 3.5mm Single-end, and 4.4mm Balanced.

Included in the aluminium case with the Effect Audio King Arthur is the Caliburn cable, a 24AWG Rare UPOCC hybrid comprising of a combination of Gold-Plated Silver, Gold Silver Alloy and Pure Silver, 5 pairs of faceplates, and 4 pairs of Final Audio Type E Silicone ear tips (XS, S, M and L) as well as a black genuine lambskin leather carrying case.

Part 1: Introduction, Design and Build
Part 2: Sound Quality
Part 3: Product Specifications
Part 4: Review Ratings, Summary

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