Sennheiser IE900 VS Elysian Apostle

IEM Comparison: Expert & Community Scores Side-by-Side

Sennheiser IE900 and Elysian Apostle use 1DD and 1DD+2BA+2EST driver setups respectively. Sennheiser IE900 costs $1,500 while Elysian Apostle costs $1,799. Elysian Apostle is $299 more expensive. Elysian Apostle holds a decisive 2.3-point edge in reviewer scores (7.1 vs 9.4). Elysian Apostle has significantly better mids with a 3-point edge, Elysian Apostle has significantly better treble with a 3-point edge, Elysian Apostle has significantly better dynamics with a 2-point edge and Elysian Apostle has significantly better soundstage with a 1-point edge.

Insights

Jaytiss Score
Sennheiser IE900
7.1 /10
Jaytiss Score
Elysian Apostle
9.4 /10
Score gap: 2.4
Metric Sennheiser IE900 Elysian Apostle
Mids 6 9
Treble 5 8
Soundstage 7.5 8.5
Dynamics 6 8
Tonality 6.1 8.4
Technicalities 5 8
Take these comparisons with a grain of salt—we don't have enough Sennheiser IE900 and Elysian Apostle reviews saved yet to provide an unbiased result.

Jaytiss Reviews Comparison

Sennheiser IE900 reviewed by

Jaytiss 7.1 Reviewer Score
B Tuning
C+ Tech
I don't get it, not even a little.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: B Treble: C+ Dynamics: B Soundstage: A

Elysian Apostle reviewed by

Jaytiss 9.4 Reviewer Score
A+ Tuning
A+ Tech
Instrument separation is good, and is a nice darkness, but can be silbilant.
Youtube Video Summary

Elysian Apostle steps in as the spiritual successor to the beloved Diva, mirroring the Annihilator’s driver count at a lower price (~$1,800) while charting its own course. The build is full-metal, compact, gunmetal/black, and notably durable with a comfortable fit. Packaging feels premium—sturdy puck case, plentiful tips—and the two-tone red/black cable impresses with supple handling (minor microphonics, loose chin slider aside). Overall, the accessories and ergonomics are dialed in without unnecessary bling.

Sonically, Apostle is clean, clear, dark and detailed: a neutral with bass boost presentation, subtle 1 kHz energy, and a tasteful 4–6 kHz dip that keeps upper mids smooth. Compared with Annihilator 2023, there’s less upper-treble sparkle and bass quantity, trading flash for tonal correctness and long-term listenability; it simply doesn’t come across as bright. Tip depth shifts perceived treble peaks a touch, and an impedance adapter (e.g., 8 Ω) can add bass heft if desired. The net effect is a “beautiful darkness” with excellent separation, space, and crisp transients.

Against peers, Apostle reads as a next-gen Diva—retaining the charm while improving extension, detail, staging, and overall refinement. Versus Monarch (Mk II/Mk III), it takes a slightly smoother treble contour without dulling clarity. It outresolves sets like Grand Maestro SE (treble timbre quirks noted) and stands strong beside Europa (which offers more bass but fit can vary). Budget-minded listeners might find echoes of its tonality in options like AFUL P7, albeit with spikier upper treble. For those prioritizing mids, technical performance, and a refined, non-fatiguing tilt over sheer bass output, Apostle earns a full recommendation—a top-tier, deeply revealing listen that feels special from top to bottom.

Mids: S Treble: A+ Dynamics: A+ Soundstage: S-

Jaytiss original ranking

Jaytiss Youtube Channel
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Sennheiser IE900 Details

Driver Configuration: 1DD

Tuning Type: Warm, V-Shaped

Brand: Sennheiser Top Sennheiser IEMs

Price (Msrp): $1,500

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Elysian Apostle Details

Driver Configuration: 1DD+2BA+2EST

Tuning Type: V-Shaped

Brand: Elysian Top Elysian IEMs

Price (Msrp): $1,799

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Sennheiser IE900 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • Expect a friendly tonal balance that could use polish but remains inviting. Great for casual listening, less so for purists.

Average Technical Grade

C+
  • An honest, middle-of-the-road performance preserves structure without chasing micro-detail. It's respectable for everyday listening sessions.
Mids B
Midrange presence is good, delivering clear vocals and solid texture. Voices come through with pleasing clarity.
Treble C+
Treble is decent, offering acceptable extension without harshness. It balances presence with a touch of restraint.
Dynamics B
The performance feels robust, with satisfying punch and natural transitions. Nuances are easy to follow.
Soundstage A
The stage stretches in every direction, carving out clear three-dimensional pockets for each player. Placement accuracy impresses from the start.

Elysian Apostle Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A+
  • The tonal balance is polished and expressive, highlighting emotion without sacrificing accuracy. It keeps emotional weight without sacrificing accuracy.

Average Technical Grade

A+
  • Layering is confident and precise, backed by imaging that locks elements firmly in place. Micro-details peek through without sounding forced.
Mids S
Expect a benchmark mid band that blends flawless accuracy with captivating presence. Vocals float in a perfectly defined space.
Treble A+
The treble performance feels luxurious, marrying air, control, and excitement. You can place every high-frequency element.
Dynamics A+
Expect thrilling dynamics that move effortlessly from whispers to roars. Explosive moments sound thrilling.
Soundstage S-
Exceptional soundstage with holographic imaging that lets instruments float naturally around you. It paints a holographic bubble around you.

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