Stored Category Comparison

FiiO EH13 vs Sennheiser HD 620S

This page compares two published headphones profiles using stored summaries, source-attributed scoring, and a single lines-only radar for fast visual difference checks.

Back to FiiO EH13Open Sennheiser HD 620S

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FiiO EH13
Sennheiser HD 620S

Category Scores

Stored score comparison

Every score is pulled from the stored product intelligence snapshot for this category pair.

AxisEH13HD 620SDelta
Bass
7.5
6.6
-0.9
Mids
7.2
7.2
Even
Treble
7
6.8
-0.2
Technicalities
6.5
6.9
+0.4
Soundstage
6.8
7.6
+0.8
Value
8.4
6.8
-1.6

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FiiO EH13 can only be compared against published headphones profiles.

Quick Read

FiiO EH13

Approved-source coverage for the EH13 is still early and thin, but the available material is clear enough on one point: it appears to be a wireless over-ear headphone, not a DAC/amp. Headphonesty’s CanJam NYC 2026 roundup treats it as an inexpensive, feature-rich entry model with LDAC, ANC, app-based parametric EQ, a sapphire-coated 40mm driver, and unusually long battery life for the price. Based on what is currently available, the EH13 looks strongest as a flexible, low-cost lifestyle headphone with more tuning control than most entry-level wireless sets, not as an enthusiast reference device. This dossier should be treated as early coverage pending deeper approved reviews.

Sennheiser HD 620S

The HD 620S is a closed-back headphone built on a 42mm dynamic driver, listed at $349.95, rated 150 ohms and 110 dB/Vrms, and easy enough to drive that reviewers report full volume from a phone, an Apple dongle or a game controller. Three points are settled across the coverage: passive isolation is unusually strong for a sealed passive design, out-of-box clamping force is high and eases with wear, and the bass you actually hear depends heavily on seal. Everything else splits. One camp hears a near-neutral, HD 600 adjacent tuning with clean mids and a wide, natural stage for a closed back. The other measures and hears an asymmetric W-shaped response: strong sub-bass, a trough near 200 Hz, a 400-800 Hz hump that reads as boxy, a lower-treble recess and a mid-treble lift that leaves the highs sounding disconnected. A measurement-led review scored it 6.5 out of 10 with a 2.9 predicted-quality mean and called the price hard to justify, while a measurement forum still placed it on its recommended list. Detail and dynamics divide the same way.

FiiO • Headphones

FiiO EH13

Open page

Approved-source coverage for the EH13 is still early and thin, but the available material is clear enough on one point: it appears to be a wireless over-ear headphone, not a DAC/amp. Headphonesty’s CanJam NYC 2026 roundup treats it as an inexpensive, feature-rich entry model with LDAC, ANC, app-based parametric EQ, a sapphire-coated 40mm driver, and unusually long battery life for the price. Based on what is currently available, the EH13 looks strongest as a flexible, low-cost lifestyle headphone with more tuning control than most entry-level wireless sets, not as an enthusiast reference device. This dossier should be treated as early coverage pending deeper approved reviews.

Strengths

  • Very feature-rich for a low entry price
  • Full parametric EQ and LDAC support are standout advantages in the segment
  • Good battery-life story and practical everyday use case

Weaknesses

  • Approved-source review depth is still limited
  • Not positioned as a serious enthusiast reference headphone
  • Performance ceiling is likely defined by convenience rather than outright fidelity

Sennheiser • Headphones

Sennheiser HD 620S

Open page

The HD 620S is a closed-back headphone built on a 42mm dynamic driver, listed at $349.95, rated 150 ohms and 110 dB/Vrms, and easy enough to drive that reviewers report full volume from a phone, an Apple dongle or a game controller. Three points are settled across the coverage: passive isolation is unusually strong for a sealed passive design, out-of-box clamping force is high and eases with wear, and the bass you actually hear depends heavily on seal. Everything else splits. One camp hears a near-neutral, HD 600 adjacent tuning with clean mids and a wide, natural stage for a closed back. The other measures and hears an asymmetric W-shaped response: strong sub-bass, a trough near 200 Hz, a 400-800 Hz hump that reads as boxy, a lower-treble recess and a mid-treble lift that leaves the highs sounding disconnected. A measurement-led review scored it 6.5 out of 10 with a 2.9 predicted-quality mean and called the price hard to justify, while a measurement forum still placed it on its recommended list. Detail and dynamics divide the same way.

Strengths

  • Passive isolation and leakage control are class-leading for a sealed passive headphone, good enough to work in a cafe or a shared office
  • Easy to drive at 150 ohms and 110 dB/Vrms, so a phone, a cheap dongle DAC or a console controller reaches listening volume
  • Soundstage and imaging read wide and natural for a closed back, and several reviewers rate the staging above the open HD 600 series
  • Deep synthetic leather pads, memory foam headband padding and steel-reinforced cups earn comfort ratings as high as 9 out of 10
  • No hard treble spike in the 4-6 kHz region, so it avoids the glare that the same reviewers pin on the Beyerdynamic DT 770 family

Weaknesses

  • The response is asymmetric and W-shaped: a trough near 200 Hz plus a 400-800 Hz hump that reads as boxy on some material
  • Bass level shifts with seal, pad creasing and headband position, so two fittings of the same unit can sound different
  • Clamping force is high out of the box and caused mild discomfort even for a reviewer who still recommended the headphone
  • Dynamic punch, transient attack and detail retrieval are called unremarkable or weak for the price by more than one reviewer