In depth comparison and review of Sennheiser HD 458BT and Poly EncorePro 720D. 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 458BT | Poly EncorePro 720D |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Weight | 238 g | 78 g | Poly EncorePro 720D are lighter than Sennheiser HD 458BT headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Headphones Form Factor | Full size | On-ear binaural | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 458BT 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 458BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 28 mm | |
| Features | Voice control | SoundGuard Technology |
| MICROPHONE | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 80 - 6000 Hz | 100 - 6800 Hz | Poly EncorePro 720D offer a larger microphone frequency range than Sennheiser HD 458BT. |
| CABLE | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
- | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm |
|---|
| BATTERY AND CHARGING | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 30 hours | - | |
| Charging Time | 2 hours | - |
| CONNECTIONS | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 458BT | Poly EncorePro 720D |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| TAA Compliant | - | Yes |
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