In depth comparison and review of JBL TUNE 770NC 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 | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | 232 g | 155 g | Poly Voyager Focus B825 are lighter than JBL TUNE 770NC headphones. |
| Colour | Black | Purple | Blue | White | Black | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Foldable | Yes | - | JBL TUNE 770NC can be folded. |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.3 | Bluetooth 4.1 | JBL TUNE 770NC have a more advanced version of Bluetooth than Poly Voyager Focus B825. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Cancelling | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Bass | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 94 dB | - | |
| Diaphragm | 40 mm | 32 mm | JBL TUNE 770NC have a thicker diaphragm than Poly Voyager Focus B825. |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | TalkThru technology, MultiPoint Technology, Ambient Aware, Speed Charge, Smart Ambient, VoiceAware | Smart Sensor Technology |
| MICROPHONE | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Sensitivity | -40 dBV/Pascal | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Controls | Voice assistant | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Cable Type | Charging cable - 1.2 m Audio cable - 1.2 m |
Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 690 mAh | 325 mAh | JBL TUNE 770NC have a higher battery capacity than Poly Voyager Focus B825. |
| Battery Life | 70 hour(s) | 15 hour(s) | JBL TUNE 770NC lasts longer on a single charge than the Poly Voyager Focus B825. |
| Battery Life Details | Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 44 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 70 hours Continuous playback (active noise-cancelling on) (noise cancelling ON): up to 30 hours Continuous talk (active noise-cancelling on) (noise cancelling ON): up to 30 hours Continuous talk (active noise-cancelling off) (noise cancelling OFF): up to 39 hours |
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) | 2 hour(s) | The charging of both headphones last the same time. |
| OTHERS | JBL TUNE 770NC | Poly Voyager Focus B825 |
|---|
| Included Accessories | Audio cable, USB-C charging cable | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes |
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