Who is the Sennheiser - IE 900 for?
Budget-tier in-ear monitor. The 66.4 score sits in C-tier (58–67) — the formula flags meaningful weaknesses against premium peers.
Reasonable if cost is the deciding factor and the spec weaknesses don’t matter for your use. Check the spec table carefully before buying.
Mars Score is computed from 6 measured specs against the transparent formula for the in-ear monitors category. No editorial picks, no paid placement.
Sennheiser - IE 900: advantages & disadvantages
Measured against every in-ear monitors we track, here is where the Sennheiser - IE 900 pulls ahead — and where it gives ground.
- ▲Sensitivity: 123 dB — among the best in-ear monitors we track.
- ▼Driver count: 1 — among the weakest in the in-ear monitors category.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Driver count
- 1
- Impedance
- 16Ω
- Sensitivity
- 123dB
- Connector
- MMCX
All specifications
Drivers
- Driver count
- 1
- Driver types
- Dynamic (X3R)
- Sensitivity?
- 123 dB
Build
- Detachable cable
- true
- Connector
- MMCX
Latest from the lab
All lab reports →Popular comparisons featuring the Sennheiser - IE 900
The 8 closest matchups in the In-Ear Monitors category, sorted by Mars Score proximity — the fights most worth your time.
Frequently asked
What is the Mars Score for Sennheiser - IE 900?+
Sennheiser - IE 900 scores 66.4 on the transparent Mars Score formula for in-ear monitors, computed from its published specs against the category's weighted normalization.
What category does Sennheiser - IE 900 belong to?+
Sennheiser - IE 900 is a Sennheiser in-ear monitor catalogued in the In-Ear Monitors category.
When was Sennheiser - IE 900 released?+
Sennheiser - IE 900 was released on 2021-04-21.
What is the driver count of Sennheiser - IE 900?+
Sennheiser - IE 900 has a driver count of 1.
What is the impedance of Sennheiser - IE 900?+
Sennheiser - IE 900 has a impedance of 16 Ω.
What is the sensitivity of Sennheiser - IE 900?+
Sennheiser - IE 900 has a sensitivity of 123 dB.
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