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KIWI EARS QUINTET vs 7Hz TIMELESS II – Comparison Review

February 5, 2025 8 Min Read

The hybrid-driver Quintet ($219) is, as the name suggests, a five-driver IEM and has been a reference in its price class since its launch in 2023. The Quintet combines a single dynamic driver with two balanced armatures, a planar magnetic driver, and a piezoelectric bone conductor.

The Timeless II is an upgraded version of the original Timeless, which has been a popular planar magnetic IEM around the $200 price point. The new version features an upgraded 14.5mm planar magnetic driver, slightly larger than its predecessor. Unlike the original, the Timeless II comes with a total of four pairs of interchangeable tuning nozzles. It also has 0.78mm pin connectors instead of MMCX and a new faceplate pattern.

7HZ TIMELESS II SPECIFICATIONS

  • Driver: 14.5mm planar magnetic driver
  • Impedance: 15.2 ohms
  • Sensitivity: 108 dB/V@1KHz
  • Frequency Response: 5-40000Hz
  • Weight per earbud: 5 g
  • Connector type: 0.78 mm 2-pin
  • Cable: ca. 1.2 m detachable with interchangeable 3.5 mm and 4.4 mm jacks. 

You can check out the current price and availability here: 

KIWI EARS QUINTET SPECIFICATIONS

  • Drivers: 1 diamond-like carbon (DLC) dynamic driver, 2 balanced arture (BA) drivers, 1 planar magnetic driver, and 1 piezoelectric (PZT) bone conductor
  • Impedance: 32 Ohms
  • Sensitivity: 106 dB
  • Connector type: 0.78mm, 2 Pin
  • Cable: 1.2 m detachable 3.5mm jack

 You can check out the current price and availability here: 

BUILD AND COMFORT

The Quintet features an ergonomically shaped housing made of medical-grade resin, complemented by a metal decorative faceplate. In contrast, the Timeless II is constructed entirely of metal yet remains exceptionally lightweight. Despite its circular decorative face, it is more compact and ergonomically designed than it might appear. I find both IEMs to be very comfortable, with no complaints.

LISTENING COMPARISONS

Associated equipment: 

Depak Ine by John Talabot 

On this electronic, ambient track, the Timeless II has a fuller and punchier bass and feels more dynamic. They both have great imaging and very nice depth, but the Quintet sounds a little bit more open. 

Never Forget the Good Ones by Solveig Slettahjell 

This is a tender female-vocals-led jazz tune, and the Timeless II has a slightly warmer mid-range and a stronger bass presence. 

Summer 3 Vivaldi Recomposed by Max Richter 

They both sound very good with this string music, but there is a difference in tonality. The Timeless II is warmer sounding while the Quintet is crisper and brighter. In terms of details, soundstage, and imaging, they’re comparable. 

Kahmsin by Jon Balke 

This piano-led improvisational acoustic jazz piece sounds great on the Quintet, crisp and clear, and the strings have such good attack. The Timeless II is again warmer, and in direct comparison it lacks a bit of the midrange crispiness and clarity the Quintet offers. 

Compare Manuel by Vicente Amigo

Moving over to flamenco guitar, the Timeless II offers a fabulous bass presentation, but again comes off as warmer and lacking some crispiness to the strings. It is a preference thing, but the Quintet sounds more open, sharper, and crisper, with a more dynamic mid-range and treble. 

Muggen Fallskjerm by Jøkleba

A highly dynamic piece of music, where the two IEMs perform quite similarly. The Timeless II delivers fuller and more refined bass, but the Quintet isn’t far behind.

Nevermind by Leonard Cohen 

The excellent bass performance of the Timeless II reveals details in the lower frequencies that I hadn’t noticed before. The Quintet is crisper and also very capable, but in this case, I prefer the Timeless II.

Limit to Your Love by James Blake 

Here, the two sound quite similar. Both handle the extreme bass lines well and share a relatively similar presentation in the midrange and treble. That said, the Timeless II delivers slightly more bass with better control, while the Quintet remains a touch crisper—but not by much.

WRAPPING IT UP 

Sound Signature

In terms of sound signature, the Timeless II has slightly more bass and a generally warmer tonality, though it is not a dark-sounding earphone. The Quintet, on the other hand, has a crisper and brighter tonality. That said, both are fairly close to neutral, with the Timeless II leaning bassier and warmer, while the Quintet is crisper and lighter.

Treble

The treble is quite similar on both, equally detailed and precise. The Quintet has slightly more energy and articulation, though whether this difference is significant depends on the track.

Midrange

In general, the Timeless II has a warmer midrange with a slightly rounder presentation, while the Quintet is crisper and delivers a greater sense of attack, particularly with strings. That said, I don’t find the Timeless II to be overly warm or dark in any way.

Bass

Although the Quintet has very good bass performance, the Timeless II offers both greater quantity and better quality, with outstanding definition and articulation.

Soundstage and Imaging 

Both earphones have a large soundstage and excellent imaging capabilities. Their imaging is quite similar, but the soundstage is often—though not always—larger on the Quintet. 

Detail, Dynamics, and Timbre

In terms of detail retrieval and dynamics, they are generally on the same level, but not identical. The Timeless II excels with better bass detail and dynamics, while the Quintet is more articulate in the mids and highs.

The timbre is warmer on the Timeless II and crisper and brighter on the Quintet. Which sounds more natural depends on the track, but on their own, both handle all genres well.

CONCLUSION 

In conclusion, both the Timeless II and the Quintet offer impressive, relatively similar performances, each with its own strengths.

The Timeless II stands out for its fuller, more defined bass and a warmer, slightly rounder tonality, while the Quintet, on the other hand, delivers a slightly crisper, brighter sound with more energy and articulation in the mids and highs. Both IEMs provide excellent soundstage, imaging, and dynamic range, handling a wide variety of genres with ease. 

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Written By

Chris founded The Headphoneer in 2013 after spending years going down the rabbit hole of searching for the perfect high fidelity headphones. Having gained experience with lots of gear and spent way too much time discussing on online forums he wanted to write the reviews he rarely encountered: Thorough reviews with lots of comparisons. This was also a way of putting his growing collection of gear to use for the benefit of humanity.