Factors to consider while buying Flagship Audiophile IEMs:
Drivers - In-ear Monitors are marvels of micro-engineering. Some high-end IEMs feature highly specialised speakers known as drivers, and the types of drivers are Dynamic, Balanced Armature, Planar magnetic, and electrostatic. Each of these drivers has its unique sound, and you can choose an IEM with a specific driver type as per your preference. You also have Hybrid, Tribrid and Quadbrid configured IEMS that feature two, three and four driver types respectively.
Sound Signature - It’s a fact that each IEM presents a unique sound, and this can be attributed to its Tuning or Sound Signature. There are some standard tuning like Warm & Smooth, Flat, Balanced and V-Shaped that IEMs present and you can choose one according to your taste and the type of music you listen to daily.
Fit - IEM fit impacts sound quality. Optimum fit means better sound, more noise isolation, and improved bass, soundstage, and mid and upper tonal clarity. The best universal in-ear monitors include extra tips, the spongy piece at the end that goes into your ear. Ears come in all shapes, so many of the best IEM makers bundle a variety of tips for a snug fit.
Cables - Most high-quality IEMs include high-quality cables that are interchangeable. You can change or choose one to be compatible with your digital player (DAP), headphone DAC/AMP. There are a variety of cables to choose from like OFC (Oxygen Free Copper Cables), Silver Plated and Silver Plated Copper Cables to name a few.
Termination - While IEMs use several different connections, the end of the cable that goes into your headphone Amp or DAC is standardised. The big difference is whether your connecting cable is balanced or unbalanced. Balanced (2.5mm and 4.4mm) means that the signal is transmitted via separate positive and negative terminals, allowing the voltage to be evenly transmitted. Unbalanced (3.5mm and 6.35mm) – also called single-ended means that there is only the signal and ground, with no separate audio signal for positive/negative. Balanced can deliver a more consistent signal with less noise, and the positive/negative terminals enable headphone amps to transmit more power via balanced signal than unbalanced.