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Sennheiser Pro Audio IE 100 Pro1 / 11
Sennheiser

Sennheiser Pro Audio IE 100 Pro

If you can get past the modular solution to a wired and wireless need, the IE 100 PRO Wireless sounds really nice for the price.

Current price · Amazon US
$159
Check Price on Amazon

Price last checked 1d ago

Key specs

Material Chassis Primary
Plastic
Resin31%Plastic25%Aluminum17%Metal6%

Plastic appears on 25% of the 48 in-ear monitors we've cataloged (of 39).

Connection Type
Most common
Wired-3.5mm92%Bluetooth8%

Bluetooth is the most common — on 8% of the 39 in-ear monitors we've cataloged (of 39).

Ear Tip Material
Most common
Silicone64%Memory foam20%Foam12%Others4%

Memory foam is the most common — on 20% of the 50 in-ear monitors we've cataloged (of 39).

Has Microphone
Yes
False66%True34%

True appears on 34% of the 35 in-ear monitors we've cataloged (of 39).

Build

Material Chassis Primary
Plastic

Connectivity

Connection Type
Wired-3.5mm, bluetooth
Cable Type
3.5mm single-ended, detachable

Design

Ear Tip Material
Silicone, memory foam
Color Options
Black, clear, red
Ear Tip Sizes Included
S, M, L, M
Earbud Form Factor
In-ear
Detachable Cable
Yes

Microphone

Has Microphone
Yes

Sound

Driver Size
10 mm
Driver Count
1
Driver Type
Dynamic
Frequency Response Signature
V-shaped
Impedance
20 Ω

Features

Inline Controls
Yes

Identity

Model Number
509171

Release

Date
2021-03-05
Msrp Usd
119 USD
Year
2021

SoundGuys review

Read the full review ›
SOUNDGUYS rating
6.8/ 10
Worth a look
Jasper Lastoria
Reviewed byJasper LastoriaWriterReviewed December 2021
Isolation3.1
Comfort & fit4.2
Connectivity9.0
Design8.5
Portability8.5
Features7.5
The verdict

This unique product by Sennheiser sounds great, and offers a lot of flexibility for its price. You can use it on stage or take it to go and casually listen to music.

✓What we like
✓SBC, AAC, aptX, aptX Low Latency
✓Bluetooth 5.0 and 3.5mm connections
✓Portable
✓Very good sound quality
✓Swappable cables
✕What could be better
✕No IP rating
✕Bluetooth connector module is annoying
✕Mic and controls only on Bluetooth connector
✕Uncomfortable over long sessions
Read the full SoundGuys review →

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

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Sennheiser Pro Audio IE 100 ProSoundGuys Headphone Preference Curve
Sennheiser Pro Audio IE 100 Pro frequency responseMeasured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.-30-20-100+10+20201001k10k20k

Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.

Frequency response — measurement data
Sennheiser Pro Audio IE 100 Pro: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)Response (dB)
200.8
251.7
322.5
403.0
503.4
633.5
803.4
1003.1
1252.5
1601.7
2000.8
2500.0
315-0.6
400-1.5
500-2.3
630-2.3
800-1.2
10000.0
12501.5
16002.7
20003.6
25004.1
31504.5
40004.8
50006.4
63006.3
80005.3
100007.1
125003.6
16000-7.2
20000-24.4

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