In depth comparison and review of Sennheiser HD 450BT and Poly EncorePro 725. 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 450BT | Poly EncorePro 725 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Weight | 238 g | 78 g | Poly EncorePro 725 are lighter than Sennheiser HD 450BT headphones. |
| Colour | Black | White | Black | |
| Earpad Material | - | Artificial leather |
| SOUND QUALITY | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 450BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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 | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 28 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Beamforming | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 725 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 80 - 6000 Hz | 100 - 6800 Hz | Poly EncorePro 725 offer a larger microphone frequency range than Sennheiser HD 450BT. |
| Microphones Included | 2 | - |
| CABLE | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
- | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Features | - | 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 30 hours | - | |
| Charging Time | 2 hours | - |
| CONNECTIONS | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 450BT | Poly EncorePro 725 |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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