In depth comparison and review of JBL Quantum 400 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 | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 274 g | 125 g | Sennheiser HD 250BT are lighter than JBL Quantum 400 headphones. |
| Colour | Black | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| 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 | |
| Built-in Decoders | DTS | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Sennheiser HD 250BT offer a larger frequency range than JBL Quantum 400. |
| Max Input Power | 30 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 98 dB | 110 dB | Sennheiser HD 250BT have higher sensitivity than JBL Quantum 400. |
| Impedance | 32 Ohm | - | |
| Diaphragm | - | 32 mm | |
| Features | JBL Quantum SURROUND | Audio prompts |
| MICROPHONE | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Form Factor | Detachable headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 10 - 10000 Hz | 100 - 10000 Hz | JBL Quantum 400 offer a larger microphone frequency range than Sennheiser HD 250BT. |
| Sensitivity | -40 dB | - |
| REMOTE CONTROL | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Controls | - | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 190 mAh | |
| Battery Life | - | 25 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | JBL Quantum 400 | Sennheiser HD 250BT |
|---|
| Included Accessories | - | USB-C charging cable | |
|---|---|---|---|
| Software Included | JBL Quantum Engine | - | |
| Compatibility | - | iPhone, Android phone | |
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | 1-year warranty | - |
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