In depth comparison and review of JVC TINYPHONES HA-KD7 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 | JVC TINYPHONES HA-KD7 | 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 | 110 g | 155 g | JVC TINYPHONES HA-KD7 are lighter than JVC TINYPHONES HA-KD7 headphones. |
| Colour | - | Black | |
| Design | Kids | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | JVC TINYPHONES HA-KD7 | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| 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 | 15 - 23000 Hz | 20 - 20000 Hz | JVC TINYPHONES HA-KD7 offer a larger frequency range than Poly Voyager Focus B825. |
| Max Input Power | 200 mW | - | |
| Sensitivity | 85 dB/mW | - | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager Focus B825 have a thicker diaphragm than JVC TINYPHONES HA-KD7. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Ferrite | - | |
| Features | - | Smart Sensor Technology |
| MICROPHONE | JVC TINYPHONES HA-KD7 | Poly Voyager Focus B825 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | JVC TINYPHONES HA-KD7 | Poly Voyager Focus B825 |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | JVC TINYPHONES HA-KD7 | Poly Voyager Focus B825 |
|---|
| Cable Type | Headphones cable - 0.8 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 0.8 m | - | |
| Plated Connector | Nickel | - |
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD7 | 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 | JVC TINYPHONES HA-KD7 | Poly Voyager Focus B825 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | JVC TINYPHONES HA-KD7 | Poly Voyager Focus B825 |
|---|
| Included Accessories | Decorative stickers | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes |
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