Planar magnetic drivers in IEMs were once limited to four-figure price tags. The 7Hz Timeless 2 puts a 14.2mm planar magnetic driver in an ergonomically redesigned shell for under $200, promising technical performance that outpaces its price. Here is the reality after six weeks of daily use.

7Hz Timeless 2 Review: Planar Magnetic IEM Budget King

Build and Design

The Timeless 2 moves away from the original’s circular shell to a more conventional ergonomic shape. The CNC-machined aluminum housing is compact, lightweight at 6.8 grams per side, and fits most ears comfortably. The original Timeless was divisive on fit due to its perfectly round faceplate, so this redesign addresses the most common complaint.

The included cable is a 4-strand silver-plated copper with a 2-pin 0.78mm connector. It is functional and low-microphonic but not remarkable. A 3.5mm single-ended termination is standard, and separate balanced cables are available from 7Hz.

Tip selection includes six pairs of silicone tips in various bore widths and lengths. A small hard case is included for storage.

Driver Technology

The single 14.2mm planar magnetic driver uses a ultra-thin diaphragm suspended between magnetic arrays. Unlike dynamic drivers, which push air from a single point, the planar diaphragm moves uniformly across its entire surface. This produces exceptionally fast transient response and low distortion.

Specification	7Hz Timeless 2
Driver	14.2mm planar magnetic
Impedance	14.5 ohms
Sensitivity	104 dB/mW
Frequency Response	20 Hz - 20 kHz
Weight	6.8g per side
Connector	2-pin 0.78mm

Sound Quality

Bass is where planar magnetic IEMs differ most from dynamic drivers. The Timeless 2 has tight, fast bass with excellent texture and definition. However, sub-bass impact and slam are less visceral than a good dynamic driver. The bass does not hit with the same physical weight as the Moondrop Blessing 3’s dynamic driver. For genres that rely on bass impact like hip-hop and electronic music, this may feel lean. For jazz, classical, and acoustic music, the bass speed and accuracy are ideal.

Midrange is transparent and highly resolving. The planar driver’s low distortion lets fine details emerge without strain. Vocal micro-dynamics, the subtle variations in breath and emphasis, are captured with precision. Strings and woodwinds sound especially natural.

Treble extends evenly to 20 kHz without significant peaks or dips. The presentation is airy and detailed without harshness. Cymbal decay is realistic, and high-frequency transients are immediate. This smooth treble extension is a hallmark of well-implemented planar drivers.

Soundstage is average in width but excellent in depth. The precise timing of the planar driver creates strong imaging, with instruments placed accurately in three dimensions.

Driving Requirements

At 14.5 ohms and 104 dB/mW sensitivity, the Timeless 2 is slightly less efficient than most IEMs. A smartphone drives it to adequate volume, but a quality dongle DAC like the CX Pro or Moondrop Dawn improves dynamics and staging. Planar magnetic drivers generally benefit from clean amplification more than dynamic drivers at the same impedance.

Comfort and Isolation

The redesigned shell is a significant improvement. Most users should achieve a comfortable fit with the included tips. The low weight prevents ear fatigue during sessions over two hours. Passive isolation is approximately 22 dB, which is slightly below average for an IEM due to the planar driver venting.

Who Should Buy the Timeless 2

The Timeless 2 is the best introduction to planar magnetic IEM sound for under $200. It excels at revealing detail and producing natural timbre. Listeners who prioritize speed, accuracy, and refinement over bass slam will find it exceptional for the price.

Buy if: You want to experience planar magnetic sound on a budget, you prioritize detail and transient speed, or you listen primarily to acoustic and vocal music.

Skip if: You need powerful bass slam, you want maximum isolation, or you prefer a warmer, more relaxed tuning.

Key Takeaways

• 14.2mm planar magnetic driver delivers speed and resolution that compete with pricier options
• Redesigned ergonomic shell fixes the original’s fit issues
• Bass is fast and textured but lacks the physical slam of good dynamic drivers
• Smooth, extended treble without peaks or harshness
• Slightly less efficient than typical IEMs and benefits from a dedicated source

Next Steps

For a comparison with the top hybrid IEMs, check our [INTERNAL: best-iems-under-500] guide. To understand the technical differences between driver types in full-size headphones, read [INTERNAL: planar-magnetic-vs-dynamic-headphones].