Reviewed on Jan 16, 2018

Sennheiser Momentum In-Ear/HD1 In-Ear Wireless HEADPHONES REVIEW

Usage Ratings - Version 1.2
6.6
Mixed Usage
6.5
Critical Listening
6.7
Commute/Travel
7.3
Sports/Fitness
6.7
Office
5.6
TV
5.5
Gaming
Type : In-ear
Enclosure : Closed-Back
Wireless : Yes
Noise-Cancelling : No
Mic : Yes
Transducer : Dynamic

The Sennheiser HD1 In-Ear Wireless are average sounding around-the-neck headphones. They're lightweight, portable and relatively easy-to-use, but don't have the most durable build quality. They also do not block a lot of noise so they won't be ideal for noisy commutes, but since they barely leak, you can play you music at higher volumes and not be distracting to those around you.

Test Results
Design 7.3
Sound 6.4
Isolation 6.7
Microphone 5.9
Active Features 6.5
Connectivity 3.8
Pros
  • Low leakage.
  • Portable and stable design.
Cons
  • Poor noise isolation.
  • Below-average microphone.
  1. Update 2/16/2018: Converted to Test Bench 1.2.

Check Price

HD1 In-Ear Wireless
SEE PRICE
Amazon.com
7.3

Design

The Sennheiser HD1 In-Ear have a simple wireless, around-the-neck design that keeps some of the aesthetic touches of the original Momentum In-ear headphones. The neckband is flexible and coated with a faux leather-like finish that makes the overall build quality feel a bit more premium. Unfortunately, the audio cables are relatively thin and not replaceable making the overall design a little less durable. On the upside, they're stable enough to take to the gym, they're easy-to-use, decently comfortable, and come with a sturdy good case to carry them in.

Style

The Sennheiser HD1 Wireless In-Ear are decently stylish looking headphones. The flexible neckband is coated with a faux leather finish that blends well the typical red and black momentum aesthetic into an around-the-neck design. The earbuds and cables, on the other hand, are similar to the original momentum in-ear and do not feel as durable or as premium as the neckband which is slightly disappointing. Overall, they won't stand out for their design, especially if you put the neckband underneath your shirt, but the understated look will work for most.

7.0 Comfort
Weight : 0.1 lbs
Clamping Force
:
0 lbs

The Sennheiser HD1 In-Ear are moderately comfortable headphones as long as you don't mind the around-the-neck design. They come with several tip sizes but no foam or special tips, which makes them pretty conventional in-ears. If you dislike the fit of in-ears then you will have some of the same issues with these headphones. But on the upside, the neckband is lightweight, flexible, and won't be too noticeable during long listening sessions.

7.2 Controls
Ease of use : Decent
Feedback : Decent
Call/Music Control : Yes
Volume Control : Yes
Microphone Control : No
Channel Mixing
:
N/A
Noise Canceling Control : N/A
Talk-Through
:
N/A
Additional Buttons : No

The Sennheiser HD 1 In-Ear Wireless have an efficient button layout and control scheme. They provide call/music, track skipping, and volume controls and an additional button for power and Bluetooth pairing. The buttons deliver good tactile feedback, but their position on the left side of the neckband might take a bit of time to get used to.

9.1 Breathability
Avg.Temp.Difference : 0.9 C
7.1 Portability
L : 7 "
W : 5.3 "
H : 0.9 "
Volume : 33 Cu. Inches
Transmitter required : N/A

The Sennheiser HD1 Wireless are moderately portable headphones. They're a lot larger than typical in-ears due to the neckband, but, they're not as cumbersome to carry around on your person as full sized headphones. They easily rest around the neck and can be tucked under your shirt or outfit.

8.0 Case
Type : Hard case
L : 7.3 "
W : 6.3 "
H : 1.2 "
Volume : 55 Cu. Inches

The Sennheiser HD1 In-Ear with a sturdy, hard case that will protect the headphones from scratches, falls, and mild water damage. However, the case is fairly large which reduces the overall portability of the headphones when they're in their case, although they will easily fit into most bags.

7.0 Build Quality

The Sennheiser HD1 In-Ear are decently well-built headphones. The neckband especially is well made, flexible and won't easily break under physical stress. Unfortunately, the audio cables are a little thin and susceptible to wear and tear compared to the rest of the build. They could snap if they get repeatedly hooked on an item of clothing or by regular wear and tear. Also since the audio cables are not replaceable, this reduces the overall build quality.

7.5 Stability

The around-the-neck design of these headphones makes them considerably stable. They won't fall from your neck if during a run or jog but depending on how well the in-ear design fits your ears, the earbuds may get a little loose during more strenuous activities and exercise. Also, if the neckband is placed under your outfit, the audio cables can get hooked or tangled and pull the earbuds out of your ears.

Cable
Detachable : No
Length : N/A
Connection : N/A

Comes with a usb charging cable.

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Headshots 1
Headshots 2
6.4

Sound

The Sennheiser HD1 In-Ear Wireless is an average sounding pair of closed-back in-ear headphones. They have a deep and consistent bass, a good mid-range and good imaging. However, their bass sounds boomy and muddy, their mid-range is cluttered and recessed, and their treble lacks detail. Also, like most other in-ear headphones, they don't have an open and spacious soundstage.

7.8 Bass
Std. Err.
:
3.32 dB
Low-Frequency Extension
:
10 Hz
Low-Bass
:
1.35 dB
Mid-Bass
:
2.73 dB
High-Bass
:
5.38 dB

Good bass range performance. LFE is at 10Hz which is excellent. Additionally, low-bass and mid-bass are pretty well-balanced. However, high-bass is overemphasized by more than 5dB, making the bass of the Sennheiser HD1 In-Ear boomy and muddy.

7.9 Mid
Std. Err.
:
2.82 dB
Low-Mid
:
3.09 dB
Mid-Mid
:
-2.4 dB
High-Mid
:
-2.18 dB

Good mid-range performance. The bump in low-mid is the continuation of the high-bass overmephasis, making the mid-range slightly muddy and cluttered. Mid-mid and high-mid are slightly under our target, pushing vocals/leads a bit to the back of the mix and giving more emphasis to the bass frequencies.

6.1 Treble
Std. Err.
:
5.03 dB
Low-Treble
:
-5.31 dB
Mid-Treble
:
0.3 dB
High-Treble
:
-2.23 dB

Mediocre treble range performance. Low-treble, which is responsible for detail and articulation lacks by about 5dB. The 12dB peak at 10KHz could make the S and T sounds sharp and piercing on overly bright tracks.

8.3 Frequency Response Consistency
Avg. Std. Deviation
:
0.34 dB

Very good consistency performance for the Sennheiser HD 1 In-Ear Wireless. If the user is able to achieve a proper fit and seal given the assortment of tips that come with the HD1, then they should be getting consistent performance out of the HD1 each time.

8.9 Imaging
Weighted Group Delay
:
0.1
Weighted Amplitude Mismatch
:
0.61
Weighted Frequency Mismatch
:
1.09
Weighted Phase Mismatch
:
5.91
1.5 Soundstage
PRTF Accuracy (Std. Dev.)
:
N/A
PRTF Size (Avg.)
:
N/A
PRTF Distance
:
N/A
Openness
:
4.5
Acoustic Space Excitation
:
1.0
Correlated Crosstalk
:
0.0 dB
8.2 Total Harmonic Distortion
Weighted THD @ 90
:
1.031
Weighted THD @ 100
:
0.662

Very good harmonic distortion performance for the Sennheiser HD1 In-Ear. The overall amount of harmonic distortion in the bass range is very low, regardless of the level. The peaks at 1KHz and 6KHz however, could make the sound of those frequencies slightly harsh and brittle.

6.7

Isolation

The Sennheiser HD1 Wireless do not isolate well enough for commuting and public transit. They barely leak even at very high volumes so you can mask some of the ambient noise in your environment by increasing your listening volume. Unfortunately, their relatively poor isolation will not be ideal for loud noisy environments unlike some of the other in-ear headphones. On the upside, if you can get a good fit with the few tips provided they should be able to block a bit more noise.

5.5 Noise Isolation
Isolation Audio
:
Overall Attenuation
:
-15.59 dB
Bass
:
2.76 dB
Mid
:
-11.04 dB
Treble
:
-39.63 dB
Self-Noise
:
20.82 dB

Sub-par isolation. Unlike the BeatsX, X2, and X3, the Sennheiser HD1 In-Ear doesn't isolate in the bass range. However, they achieve 11dB of isolation in the mid-range which is decent, and 40dB of isolation in the treble range, which is good.

9.2 Leakage
Leakage Audio
:
Overall Leakage @ 1ft
:
26.65 dB

Excellent leakage performance. The leakage of the HD1 is centered around 2KHz, in a very narrow band. The level of the leakage is also very quiet which makes it barely audible.

5.9

Microphone

Integrated
:
Yes
In-line
:
No
Boom
:
No
Detachable Boom
:
N/A

Sub-par microphone performance for the Sennheiser HD1 Wireless In-Ear. Speech recorded with the microphone of the HD1 sounds thin and muffled, and because of the lack of clarity, may be slightly difficult to understand. Additionally, they are not able to separate speech from ambient noise very well and are not the best choice for moderately loud environments like a busy street.

5.2 Recording Quality
Recorded Speech
:
LFE
:
479.46 Hz
FR Std. Dev.
:
1.62 dB
HFE
:
2523.3 Hz
Weighted THD
:
21.824
Gain
:
44.33 dB

Sub-par recording quality. LFE is at 479Hz and HFE at 2.5KHz. This results in a recorded speech that sounds thin and muffled. The area between LFE and HFE, however, is captured well.

6.6 Noise Handling
Speech + Pink Noise :
Speech + Subway Noise :
SpNR
:
17.88 dB

Average noise handling performance. The microphone on the HD1 achieved a speech-to-noise ratio of 18dB, which is about average.

6.5

Active Features

The Sennheiser HD1 In-Ear Wireless have a decent battery life, a good wireless range, and better latency performance than most Bluetooth headphones. Unfortunately, they still won't be ideal for watching movies and gaming, and may not last you a full day's use if you're a heavy user or forgot to charge them overnight. On the upside, they are pretty easy to pair and support NFC.

6.4 Battery
Battery Type
:
Rechargable
Battery Life
:
9.5 hrs
Charge Time
:
1.8 hrs
Power Saving Feature
:
No
Audio while charging
:
No
Passive Playback
:
No

The Sennheiser HD1 In-Ear Wireless have a decently long battery life for an in-ear but will barely last you a full day if you're a heavy user. They also lack a few power saving features that would help them last longer, like an auto-off timer that you can set within the app, or the ability to play while charging, which is a little disappointing.

7.5 App Support
App Name : Sennheiser Cap Tune
iOS : Yes
Android : Yes
Mac OS : N/A
Windows : N/A
Equalizer
:
Parametric + Presets
ANC control
:
No
Mic Control : No
Room effects
:
No
Playback control
:
Yes
Button Mapping : N/A
Surround Sound : N/A

The Sennheiser Captune app offers a great parametric equalizer with presets for the Sennheiser HD1 In-Ear Wireless. However, the app feels a bit barebones in comparison to when its connected to the Sennheiser PXC 550 Wireless. It also lacks a good auto-off timer, room effects, and microphone options.

3.8

Connectivity

8.0 Bluetooth
Bluetooth Version
:
4.1
Multi-Device Pairing
:
No
NFC Pairing
:
Yes
0 Wired
OS Compatibility
:
N/A
Analog Audio
:
N/A
USB Audio
:
N/A
PS4 Compatible
:
N/A
Xbox One Compatible
:
N/A
PC Compatible
:
N/A
0 Base/Dock
Type
:
N/A
Optical Input
:
N/A
Line In
:
N/A
Line Out
:
N/A
USB Input
:
N/A
RCA Input
:
N/A
PS4 Compatible
:
N/A
Xbox One Compatible
:
N/A
PC Compatible
:
N/A
Power Supply
:
N/A
Dock Charging
:
N/A
7.7 Wireless Range
Obstructed Range
:
35 ft
Line of Sight Range
:
124 ft

The Sennheiser HD1 In-Ear Wireless have a good wireless range. They stayed connected without any major audio drops up to 35ft when indoors and the signal was obstructed by walls. They also reached 120ft in direct-line-of-sight which is above-average for wireless in-ears. They should do well for most use cases especially if you keep your Bluetooth device on you but may not be ideal for very large offices. On the upside, they're easy to pair and support NFC.

5.0 Latency
Default Latency
:
144 ms
aptX Latency
:
120 ms
aptX(LL) Latency
:
N/A

The HD1 in-ear have relatively high latency for watching videos and gaming but perform better than most Bluetooth headphones. The audio will be slightly delayed but won't be as noticeable when aptX is enabled.

In the box

  • Sennheiser HD1 In-Ear Wireless Headphones
  • Earbud tips (x3 sizes)
  • USB charging cable
  • Carrying case
  • Manual

Compared to other Headphones

See our recommendations for the best neckband headphones.

Sony WI-1000X Wireless
SEE PRICE
Amazon.com

The Sony WI-1000X are better headphones than the Sennheiser HD1 In-Ear Wireless. They have better sound quality; their app offers more customization and they also have a better isolation performance. They also come with more tip options to find a better fit. However, the neckband of the Sennheiser HD1 feels more high-end, and they come with a hard case that protects the headphones better than the Sonys' pouch.

Sony WI-C600N Wireless
SEE PRICE
Amazon.com

The Sony WI-C600N are better around-the-neck headphones than the Sennheiser Momentum In-Ear Wireless. They are more portable thanks to their malleable neckband and their sound quality is also better, but you can EQ both headphones in their respective apps. They are also noise cancelling in-ears and block a decent amount of ambient noise, which is good for commuting. On the other hand, you get more battery life with the Sennheisers, their latency is lower, and some may not notice the delay when watching video content.

Bose Hearphones Wireless
SEE PRICE
Amazon.com

If sound quality is your biggest criteria, then the Sennheiser Momentum In-Ear HD1 Wireless are a better option over the Bose Hearphones. However, the HD1 Wireless don’t have a good ANC feature like the Hearphones, and they also don’t offer a nice conversation-enhancer mode that amplifies ambient noise. The Bose Hearphones are also more comfortable and have better wireless range.

Conclusion

6.6 Mixed Usage

The Sennheiser HD1 In-Ear are above-average for most use cases except critical listening and watching videos. They do not block a lot of ambient noise but barely leak which makes them a decent option to use at the office as long as you turn your volume up a little to mask the noise. They have a stable around-the-neck design, and they're decently comfortable for an in-ear model but unfortunately, do not have the best sound. The audio cables are also not as sturdy as the rest of the design.

6.5 Critical Listening

Average for critical listening. They have a bit too much high-bass, which makes them sound slightly boomy and muddy. That coupled with the somewhat recessed mid to high-frequencies makes instruments feel a little pushed back in the mix and makes them sound slightly muffled. They don't have the best soundstage due to their in-ear closed-back design, but on the upside, they sound good enough for casual listeners, they just won't be ideal for more critical listening.

6.7 Commute/Travel

Average for commuting. They do not block a lot of noise but they're decently portable and barely leak so you can mask some of the ambient noise with your music. They also have a pretty easy to use control scheme.

7.3 Sports/Fitness

Above-average for sports use. They have an around-the-neck design that's stable when running or jogging. They're lightweight, portable and wireless. However, the in-ear tips do slide a little in the ear canal during strenuous activity, which may not be ideal for all sports.

6.7 Office

Decent for office use. They barely leak at high volumes, so they won't bother your colleagues but unfortunately, they do not block a lot of noise unless you can get a good seal with the provided tips.

5.6 TV

Average for home theater. They have quite a bit of latency although they do perform a bit better than most Bluetooth headphones. They also have a good wireless range but the in-ear fit may not be comfortable enough to wear for extended viewing sessions.

5.5 Gaming

Average-at-best for gaming. They have enough latency to be noticeable when gaming. They also do not have the best mic for multiplayer online games. On the upside, they are super breathable and decently comfortable, although the in-ear fit may not be ideal for all gamers.

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