Short answer: the Sennheiser IE 4, though neither ranks well in its class. It ranks #749 of 865 in-ear headphones by sound quality (rated 2.3/5) at $89 and is still sold new; the Sennheiser IE 800 ranks #827 (rated 1.6/5) and is discontinued, so it is only an option used. Both are rated below 3.0/5 among the 865 in-ear headphones, so if sound quality matters, consider the ThieAudio Monarch MKIII instead, ranked #1 at $999.
The Sennheiser IE 4 is the better-sounding pick. Sub-bass and bass both sit more than 6 dB above target and extend fully to 20 Hz, a good match for listeners who want big, rumbling bass and a V shaped sound. The tradeoff: A huge 15.3 dB peak near 5.1 kHz and presence about 10 dB above target make vocals and snares sound shouty and fatiguing.
Why pick the Sennheiser IE 800: Bass is lifted about 2.8 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. Watch for: Discontinued, so it is mainly found used.
Buy the Sennheiser IE 4. It is rated higher for sound quality and still sold new, while the Sennheiser IE 800 is discontinued.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Sennheiser IE 4 | Sennheiser IE 800 | |
|---|---|---|
| Price | $89.00 | Discontinued |
| Ranked | #749 of 865 in In-Ear Headphones | #827 of 865 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | - |
| Harman Preference Score | 53 (measured by oratory1990, via AutoEQ) | 44 (measured by oratory1990, via AutoEQ) |
| Deviation From Target | 3.59 dB standard deviation | 4.08 dB standard deviation |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) | -1.44 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+5.6 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.6 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Impedance | 16 ohms | 16 ohms |
| Sensitivity | 106 dB SPL/V | 125 dB/Vrms |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) | 5Hz - 46.5kHz |
| Drivers | 1 x dynamic | 1 x 7mm dynamic |
| Weight | - | 0 lbs (8 g) |
Related Headphone Comparisons
More top alternatives to Sennheiser IE 4:
- Sennheiser IE 200 vs Sennheiser IE 4
- Sennheiser IE 4 vs Sennheiser IE 600
- Sennheiser IE 4 vs Sennheiser IE 900
- Questyle NHB12 vs Sennheiser IE 4
- KZ ZAS vs Sennheiser IE 4
Prices on this page were last checked October 13, 2026 at 3:17 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Headphones In Full
Sennheiser IE 4: $89.00 B&H Photo Video $89.00 Sennheiser $89.00 eBay
Pros: Sub-bass and bass both sit more than 6 dB above target and extend fully to 20 Hz, a good match for listeners who want big, rumbling bass and a V shaped sound. The 16 ohm impedance and 106 dB/V sensitivity let it run fine from a phone. It is rated level with the CCA PLA13 at a similar price.
Cons: A huge 15.3 dB peak near 5.1 kHz and presence about 10 dB above target make vocals and snares sound shouty and fatiguing. The KZ ZAS is rated higher and costs less.
Full Sennheiser IE 4 review and specifications →
| Released | 2005 (21 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 3.59 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x dynamic |
| Form Factor | In-ear |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 53 (measured by oratory1990, via AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 106 dB SPL/V |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+5.6 dB at 30 Hz) |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -5.2 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 | -3.3 dB | 0.70 |
| Peak | 1,393 Hz | +6.5 dB | 0.39 |
| Peak | 4,512 Hz | -13.3 dB | 0.97 |
| Peak | 8,609 Hz | +6.4 dB | 1.20 |
| Peak | 200 Hz | -2.3 dB | 1.14 |
| High shelf | 10,000 Hz | -1.0 dB | 0.70 |
| Peak | 2,324 Hz | +2.4 dB | 3.14 |
| Peak | 3,227 Hz | -4.2 dB | 4.39 |
| Peak | 64 Hz | +0.9 dB | 2.17 |
| Peak | 4,107 Hz | +2.7 dB | 6.00 |
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Sennheiser IE 800 Discontinued eBay
Pros: Bass is lifted about 2.8 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. Lower mids sit within about 0.6 dB of target, keeping voices and guitars natural. It uses 1 x 7mm dynamic with an easy 16 ohm load.
Cons: Discontinued, so it is mainly found used. Presence sits about 8.4 dB low with a 10.8 dB dip near 3.5 kHz, so vocals and instruments lose some bite. A 6.7 dB peak near 10.8 kHz can make cymbals and sibilance sound sharp. A Harman score of 44 places it in the lower part of the in-ear rankings.
Full Sennheiser IE 800 review and specifications →
| Released | 2012 (14 years ago) |
|---|---|
| Connection | Wired |
| Deviation From Target | 4.08 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 7mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 5Hz - 46.5kHz |
| Harman Preference Score | 44 (measured by oratory1990, via AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 125 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.6 dB at 30 Hz) |
| Tonal Tilt | -1.44 (negative is warmer, positive brighter) |
| Weight | 0 lbs (8 g) |
EQ preset to match the Harman target
Set a preamp of -6.6 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 | -3.4 dB | 0.70 |
| Peak | 3,961 Hz | +6.0 dB | 1.84 |
| Peak | 180 Hz | -4.8 dB | 0.63 |
| Peak | 2,501 Hz | +5.0 dB | 2.58 |
| Peak | 71 Hz | +1.4 dB | 0.98 |
| High shelf | 10,000 Hz | -9.4 dB | 0.70 |
| Peak | 1,259 Hz | -1.2 dB | 2.44 |
| Peak | 6,365 Hz | +3.3 dB | 5.68 |
| Peak | 10,000 Hz | -1.4 dB | 5.79 |
| Peak | 1,995 Hz | +0.8 dB | 3.83 |
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