In depth comparison and review of August EP650 and Sennheiser HD 458BT. 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 | August EP650 | Sennheiser HD 458BT |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 17.66 cm | - | |
| Width | 18.86 cm | - | |
| Depth | 7.1 cm | - | |
| Weight | 235 g | 238 g | August EP650 are lighter than August EP650 headphones. |
| Colour | Gold | Black | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | August EP650 | Sennheiser HD 458BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser HD 458BT have a more advanced version of Bluetooth than August EP650. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | 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 | Stereo | |
| Frequency Response | 60 - 20000 Hz | 18 - 22000 Hz | Sennheiser HD 458BT offer a larger frequency range than August EP650. |
| Total Harmonic Distortion (THD) | 1% | <0.3% | Sennheiser HD 458BT have lower total harmonic distortion than August EP650. |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 50 mm | - | |
| Signal-To-Noise Ratio | 85 dB | - | |
| Features | Bluetooth aptX technology | Voice control |
| MICROPHONE | August EP650 | Sennheiser HD 458BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 80 - 6000 Hz |
| CABLE | August EP650 | Sennheiser HD 458BT |
|---|
| Cable Type | Headphones cable - detachable | Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | August EP650 | Sennheiser HD 458BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 220 mAh | 600 mAh | Sennheiser HD 458BT have a higher battery capacity than August EP650. |
| Battery Life | 10 hour(s) | 30 hours | Sennheiser HD 458BT lasts longer on a single charge than the August EP650. |
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | 2 hours | The charging of both headphones last the same time. |
| CONNECTIONS | August EP650 | Sennheiser HD 458BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | August EP650 | Sennheiser HD 458BT |
|---|
| Included Accessories | USB charging cable | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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