Sennheiser IE 200 vs Sennheiser IE 900

Short answer: the Sennheiser IE 200. It ranks #9 of 68 in-ear headphones by sound quality, rated 4.4/5, at $129.95; the Sennheiser IE 900 ranks #52, rated 3.1/5, and costs $1,299.95, which makes this an easy call rather than a real tradeoff.

The Sennheiser IE 200 is the better-sounding option. Bass and midrange land almost exactly on the Harman target in oratory1990’s measurement, within about 0.5 dB from 60 Hz to 3 kHz, which gives a natural tonal balance and a preference score of 79. The catch: The presence region from 3 to 6 kHz sits about 5 dB under target, with a 5.7 dB dip near 4.4 kHz, so vocals and snare attacks sound a little recessed.

What the Sennheiser IE 900 does well: Oratory1990 measured sub-bass and bass within about 1.2 dB of target, so the low end is tidy and controlled. Watch for: Presence from 3 to 6 kHz is about 6.7 dB below the Harman target, with an 8.8 dB dip near 3.6 kHz, which recesses vocals and removes some bite.

Buy the Sennheiser IE 200. It is rated higher for sound quality than the Sennheiser IE 900 and costs less, which makes it the one to get unless you need something the other one does better.

Want more options? Browse the full Headphones rankings.

Specifications Side By Side

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The Two Headphones In Full

Sennheiser IE 200: $129.95 Amazon eBay

Pros: Bass and midrange land almost exactly on the Harman target in oratory1990’s measurement, within about 0.5 dB from 60 Hz to 3 kHz, which gives a natural tonal balance and a preference score of 79. At 16 ohms and 119 dB SPL/V sensitivity it plays loud straight from a phone with no amp. Each earpiece weighs only 4 g, and the single 7mm dynamic driver is a simple, wired design with no battery to charge.

Cons: The presence region from 3 to 6 kHz sits about 5 dB under target, with a 5.7 dB dip near 4.4 kHz, so vocals and snare attacks sound a little recessed. The top octave runs about 5.8 dB hot, which adds sparkle that can read as thin or bright on some recordings. The Final Audio A4000 and Shuoer S12 carry higher ratings at lower prices.

Full Sennheiser IE 200 review and specifications →

Back	Closed
Connection	Wired
Deviation From Target	1.86 dB standard deviation
Driver Type	Dynamic
Drivers	1 x 7mm dynamic
Form Factor	In-ear
Frequency Response	6Hz - 20kHz (Manufacturer specified)
Harman Preference Score	79 (measured by oratory1990, via AutoEQ)
Impedance	16 ohms
Sensitivity	119 dB SPL/V
Tonal Tilt	-0.02 (negative is warmer, positive brighter)
Weight	0 lbs (4 g) per earphone

EQ preset to match the Harman target

Set a preamp of -4.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

Filter	Frequency	Gain	Q
Low shelf	105 Hz	+0.3 dB	0.70
Peak	4,135 Hz	+4.3 dB	1.83
Peak	1,520 Hz	-1.9 dB	1.99
Peak	180 Hz	-1.2 dB	1.14
Peak	67 Hz	+1.0 dB	1.34
High shelf	10,000 Hz	-6.1 dB	0.70
Peak	727 Hz	+0.8 dB	1.79
Peak	5,480 Hz	+1.2 dB	3.96
Peak	1,154 Hz	-0.6 dB	3.44
Peak	2,978 Hz	+0.4 dB	3.96

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the Sennheiser IE 200 (oratory1990 measurement)
• Head-to-Head Comparisons
  • Sennheiser IE 200 vs Sony WF-1000XM5

Sennheiser IE 900: $1,299.95 Amazon eBay

Pros: Oratory1990 measured sub-bass and bass within about 1.2 dB of target, so the low end is tidy and controlled. Sensitivity of 123 dB SPL/V and a 16 ohm impedance make it easy to drive from a phone, and the 7mm dynamic driver is rated to reach from 5 Hz to 48 kHz. Top-octave air sits about 3.6 dB above target for an open, detailed treble.

Cons: Presence from 3 to 6 kHz is about 6.7 dB below the Harman target, with an 8.8 dB dip near 3.6 kHz, which recesses vocals and removes some bite. A preference score of 63 is modest for such a premium product, and the HIFIMAN RE2000 has a higher rating at a lower price.

Full Sennheiser IE 900 review and specifications →

Released	2021 (5 years ago)
Back	Closed
Connection	Wired
Deviation From Target	2.82 dB standard deviation
Driver Type	Dynamic
Drivers	1 x 7mm dynamic
Form Factor	In-ear
Frequency Response	5Hz - 48kHz (Manufacturer specified)
Harman Preference Score	63 (measured by oratory1990, via AutoEQ)
Impedance	16 ohms
Sensitivity	123 dB SPL/V
Tonal Tilt	-0.92 (negative is warmer, positive brighter)

EQ preset to match the Harman target

Set a preamp of -6.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

Filter	Frequency	Gain	Q
Low shelf	105 Hz	-2.3 dB	0.70
Peak	4,081 Hz	+5.0 dB	2.86
Peak	204 Hz	-2.6 dB	1.13
Peak	1,472 Hz	-2.7 dB	2.33
Peak	2,956 Hz	+5.2 dB	2.42
High shelf	10,000 Hz	-4.4 dB	0.70
Peak	67 Hz	+0.6 dB	1.76
Peak	26 Hz	-0.9 dB	3.19
Peak	729 Hz	+0.4 dB	2.54
Peak	376 Hz	-0.4 dB	2.69

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the Sennheiser IE 900 (oratory1990 measurement)