In depth comparison and review of Sennheiser HD 400S and Shure AONIC 40. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Weight | 217 g | 313 g | Sennheiser HD 400S are lighter than Sennheiser HD 400S headphones. |
| Colour | Black | Black | White, tan | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | - | Yes | Shure AONIC 40 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost, Loudness, Treble Boost, Vocal Boost, De-ess, Low Boost | |
| Frequency Response | 18 - 20000 Hz | 20 - 20000 Hz | Sennheiser HD 400S offer a larger frequency range than Shure AONIC 40. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 94.7 dB/mW | |
| Impedance | 18 Ohm | 31 Ohm | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Shure AONIC 40 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | - | Neodymium magnet | |
| Features | - | Environment mode |
| MICROPHONE | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Mute, volume, power on/off, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, ANC on/off, environment mode |
|---|
| CABLE | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | Audio cable - detachable USB-C cable - detachable |
|
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 25 hour(s) |
| CONNECTIONS | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 400S | Shure AONIC 40 |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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