In depth comparison and review of ifrogz Impulse 2 and Sennheiser HD 250BT. 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 | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 19.5 cm | - | |
| Width | 21.48 cm | - | |
| Depth | 8 cm | - | |
| Weight | 295 g | 125 g | Sennheiser HD 250BT are lighter than ifrogz Impulse 2 headphones. |
| Colour | Blue | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | ifrogz Impulse 2 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 | |
| Noise Isolating | - | Yes | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Sennheiser HD 250BT offer a larger frequency range than ifrogz Impulse 2. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 94 dB +/- 3dB | 110 dB | Sennheiser HD 250BT have higher sensitivity than ifrogz Impulse 2. |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 32 mm | ifrogz Impulse 2 have a thicker diaphragm than Sennheiser HD 250BT. |
| Magnet Material | Neodymium | - | |
| Features | - | Audio prompts |
| MICROPHONE | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Controls | Volume, power on/off, play/pause, next/previous track | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Cable Type | Headphones cable - detachable Micro-USB charge cable |
USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 190 mAh | |
| Battery Life | 20 hour(s) | 25 hour(s) | Sennheiser HD 250BT lasts longer on a single charge than the ifrogz Impulse 2. |
| Charging Time | 2 hour(s) | 3 hour(s) | ifrogz Impulse 2 recharge faster than ifrogz Impulse 2. |
| CONNECTIONS | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | ifrogz Impulse 2 | Sennheiser HD 250BT |
|---|
| Included Accessories | Carrying pouch | USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone | |
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 1 year | - |
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