In depth comparison and review of harman/kardon FLY ANC 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 | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 281 g | 125 g | Sennheiser HD 250BT are lighter than harman/kardon FLY ANC headphones. |
| Colour | Black | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Sennheiser HD 250BT have a more advanced version of Bluetooth than harman/kardon FLY ANC. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | 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 | - | harman/kardon FLY ANC are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 22000 Hz | 20 - 22000 Hz | harman/kardon FLY ANC offer a larger frequency range than Sennheiser HD 250BT. |
| Max Input Power | 30 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 100 dB/mW | 110 dB | Sennheiser HD 250BT have higher sensitivity than harman/kardon FLY ANC. |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 32 mm | harman/kardon FLY ANC have a thicker diaphragm than Sennheiser HD 250BT. |
| Features | - | Audio prompts |
| MICROPHONE | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -21 dBV/Pascal | - |
| REMOTE CONTROL | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Controls | - | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Cable Type | USB charge cable - detachable Audio cable - detachable |
USB-C charge cable - detachable |
|---|
| FEATURES | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant, Alexa | - |
| BATTERY AND CHARGING | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | 190 mAh | harman/kardon FLY ANC have a higher battery capacity than Sennheiser HD 250BT. |
| Battery Life | 30 hour(s) | 25 hour(s) | harman/kardon FLY ANC lasts longer on a single charge than the Sennheiser HD 250BT. |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 30 hours |
- | |
| Charging Time | - | 3 hour(s) |
| OTHERS | harman/kardon FLY ANC | Sennheiser HD 250BT |
|---|
| Included Accessories | Carrying pouch, airplane adapter | USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone | |
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 1 year | - |
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