In depth comparison and review of Sennheiser PXC 550-II 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 PXC 550-II | Shure AONIC 40 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | 17.4 cm | - | |
| Width | 13.6 cm | - | |
| Depth | 6.3 cm | - | |
| Weight | 227 g | 313 g | Sennheiser PXC 550-II are lighter than Sennheiser PXC 550-II headphones. |
| Colour | - | Black | White, tan | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser PXC 550-II | Shure AONIC 40 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost, Loudness, Treble Boost, Vocal Boost, De-ess, Low Boost | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Shure AONIC 40. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 110 dB | 94.7 dB/mW | Sennheiser PXC 550-II have higher sensitivity than Shure AONIC 40. |
| Impedance | 490 Ohm | 31 Ohm | |
| Diaphragm | 32 mm | 40 mm | Shure AONIC 40 have a thicker diaphragm than Sennheiser PXC 550-II. |
| 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 PXC 550-II | Shure AONIC 40 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 50 - 10000 Hz | - | |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Shure AONIC 40 |
|---|
| Controls | Mute, volume, answer/end, hold, 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 PXC 550-II | Shure AONIC 40 |
|---|
| Cable Type | USB charge cable Audio cable |
Audio cable - detachable USB-C cable - detachable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Shure AONIC 40 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Shure AONIC 40 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 30 hour(s) | 25 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Shure AONIC 40. |
| Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
- | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Sennheiser PXC 550-II | Shure AONIC 40 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser PXC 550-II | Shure AONIC 40 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying case | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone | |
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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