In depth comparison and review of Sennheiser HD 100 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 | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 113 g | 125 g | Sennheiser HD 100 are lighter than Sennheiser HD 100 headphones. |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 100 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 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 | 18 - 18000 Hz | 20 - 22000 Hz | Sennheiser HD 250BT offer a larger frequency range than Sennheiser HD 100. |
| Total Harmonic Distortion (THD) | 0.5% | <0.3% | Sennheiser HD 250BT have lower total harmonic distortion than Sennheiser HD 100. |
| Sensitivity | - | 110 dB | |
| Impedance | 26 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | - | 32 mm | |
| Features | - | Audio prompts |
| MICROPHONE | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Controls | - | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Cable Type | Headphones cable - 1.4 m | USB-C charge cable - detachable | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 190 mAh | |
| Battery Life | - | 25 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 100 | Sennheiser HD 250BT |
|---|
| Included Accessories | - | USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone | |
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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