In depth comparison and review of Sennheiser HD 25 Plus and Sennheiser HD 450BT. 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 25 Plus | Sennheiser HD 450BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 140 g | 238 g | Sennheiser HD 25 Plus are lighter than Sennheiser HD 25 Plus headphones. |
| Colour | - | Black | White | |
| Design | DJ | - | |
| Recommended Use | Professional audio, home audio | - |
| SOUND QUALITY | Sennheiser HD 25 Plus | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | - | Yes | Sennheiser HD 450BT 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 | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 22000 Hz | 18 - 22000 Hz | Sennheiser HD 25 Plus offer a larger frequency range than Sennheiser HD 450BT. |
| Total Harmonic Distortion (THD) | 0.3% | <0.3% | Both headphones have the same total harmonic distortion. |
| Sensitivity | 120 dB | - | |
| Impedance | 70 Ohm | - | |
| Max Sound Pressure | - | 108 dB |
| MICROPHONE | Sennheiser HD 25 Plus | Sennheiser HD 450BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| CABLE | Sennheiser HD 25 Plus | Sennheiser HD 450BT |
|---|
| Cable Type | Headphones cable - 1.3 m Headphones cable - 1.5 m |
Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 25 Plus | Sennheiser HD 450BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Sennheiser HD 25 Plus | Sennheiser HD 450BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 25 Plus | Sennheiser HD 450BT |
|---|
| Included Accessories | Protective pouch, 3.5 mm to 6.3 mm adapter, 2 pairs of earpads | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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