Features of FiiO FA9:- >Six Knowles Balanced Armature Driver Units. >Three-Way Tuning Switch & Hi-Res Certification. >80.6mm Large Acoustic Tube. >3D printed resin shells. >8-Core Single-Crystalline Silver Plated Copper Cable. >Universal MMCX Connectors. FiiO has released its latest flagship pair of in-ear monitors, the FiiO FA9. It features six Knowles balanced armature driver units on each side that provide crisp clear sound output with a wide soundstage. The pair has 3D printed medical-grade resin shell with a transparent inner cavity and ergonomic design. The faceplate has a diamond-cut design that adds to the rich and premium look of this flagship pair. Unmatched Sound Output:- FiiO FA9 is equipped with six Knowles balanced armature driver units on each side. It features SWFK-31736 balanced armature unit for providing a crisp detailed treble section, Knowles 33877 unit for providing solid sweet vocals and acoustic details in the mids section and HODVTEC-31618 unit to provide a thick, deep, and rich lower end. The sound quality is balanced and natural, with crisp clarity and lush vocals. The bass response is deep and punchy, the treble portion is smooth and detailed. This pair is suitable for any genre of music. 80.6mm Large Acoustic Tube:- FiiO FA9 features a large 80.6mm acoustic tubes that bring output through the drivers to the ear nozzle. They ensure that the output is distortion-free due to multi-driver units and provide a lifelike rich output. 3D Printed Resin Shells:- The earpieces in FiiO FA9 are made with high precision 3D printing techniques to provide an ergonomic design and lightweight structure to them. They are made up of skin-friendly resin material. The fit with these earpieces is very comfortable, users won’t even notice them even after long music sessions. Three-Way Tuning Switch & Hi-Res Certification:- FiiO FA9 is equipped with a three-way electronic switch that users can use to tune the sound output according to one’s personal preference. The pair has received Hi-Res certification from the Japanese Audio Association, it is able to provide details better than cd quality. Supreme Quality Cable:- FiiO FA9 has a supreme quality cable included in the package. It is an 8-core single-crystalline silver-plated copper cable with MMCX connectors and 3.5mm termination plug. The cable provides very low resistance to the audio signal and provides a well-detailed signal from the source to the IEM’s. Quality Accessories Bundled in the Package:- The package included high-quality accessories including an HB3 leather carry case, 15 pairs of ear tips including 3 pairs of SpinFit premium ear tips, Cleaning Brush, and more Package Contents:- >One Pair of FiiO FA9 IEM’s. >One 8-Core Single Crystal Copper Plated Silver Cable. >HB3 Leather Carry Case. >15 Pairs of Ear Tips. >Cleaning Brush. >User Guide.