In depth comparison and review of Sennheiser HD 2.30i (HD 2.0) 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 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | HD 2.0 | - | |
| Weight | - | 313 g | |
| Colour | Black | Black | White, tan | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| 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. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost, Loudness, Treble Boost, Vocal Boost, De-ess, Low Boost | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 2.30i (HD 2.0) offer a larger frequency range than Shure AONIC 40. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 120 dB | 94.7 dB/mW | Sennheiser HD 2.30i (HD 2.0) have higher sensitivity than Shure AONIC 40. |
| Impedance | 22 Ohm | 31 Ohm | |
| 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 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | Sennheiser HD 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Controls | - | 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 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Cable Type | Headphones cable - 1.4 m | Audio cable - detachable USB-C cable - detachable |
|
|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 25 hour(s) |
| CONNECTIONS | Sennheiser HD 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 2.30i (HD 2.0) | Shure AONIC 40 |
|---|
| Included Accessories | Carrying pouch | Carrying case | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | iPhone, iPad, Android phone | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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