In depth comparison and review of beyerdynamic DT 1770 PRO and Poly Voyager Focus B825. 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 | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | 388 g | 155 g | Poly Voyager Focus B825 are lighter than beyerdynamic DT 1770 PRO headphones. |
| Colour | Black | Black | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Active Noise Cancelling | - | Yes | Poly Voyager Focus B825 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 40000 Hz | 20 - 20000 Hz | beyerdynamic DT 1770 PRO offer a larger frequency range than Poly Voyager Focus B825. |
| Total Harmonic Distortion (THD) | 0.05% | - | |
| Sensitivity | 102 dB | - | |
| Impedance | 250 Ohm | - | |
| Diaphragm | - | 32 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | - | Smart Sensor Technology |
| MICROPHONE | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Cable Type | Headphones cable - 3 m Headphones cable - 5 m |
Micro-USB charging cable |
|---|
| BATTERY AND CHARGING | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 325 mAh | |
| Battery Life | - | 15 hour(s) | |
| Battery Life Details | - | Continuous playback (AAC, active noise-cancelling on): up to 12 hours Continuous talk (active noise-cancelling off): up to 12 hours Continuous talk (active noise-cancelling on): up to 10 hours Continuous playback (active noise-cancelling off): up to 15 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | beyerdynamic DT 1770 PRO | Poly Voyager Focus B825 |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter, 2 earpads, carrying bag | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes |
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