In depth comparison and review of Sennheiser PXC 550-II and ifrogz Impulse 2. 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 | ifrogz Impulse 2 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 17.4 cm | 19.5 cm | |
| Width | 13.6 cm | 21.48 cm | |
| Depth | 6.3 cm | 8 cm | |
| Weight | 227 g | 295 g | Sennheiser PXC 550-II are lighter than Sennheiser PXC 550-II headphones. |
| Colour | - | Blue | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| 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 | - | |
| Active Noise Cancelling | Yes | - | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | Sennheiser PXC 550-II offer a larger frequency range than ifrogz Impulse 2. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 110 dB | 94 dB +/- 3dB | Sennheiser PXC 550-II have higher sensitivity than ifrogz Impulse 2. |
| Impedance | 490 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | ifrogz Impulse 2 have a thicker diaphragm than Sennheiser PXC 550-II. |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 50 - 10000 Hz | - | |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Volume, power on/off, play/pause, next/previous track |
|---|
| CABLE | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Cable Type | USB charge cable Audio cable |
Headphones cable - detachable Micro-USB charge cable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 30 hour(s) | 20 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the ifrogz Impulse 2. |
| 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) | 2 hour(s) | ifrogz Impulse 2 recharge faster than Sennheiser PXC 550-II. |
| CONNECTIONS | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser PXC 550-II | ifrogz Impulse 2 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying pouch | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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