In depth comparison and review of ASTRO A40 TR 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 | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | 9.5 cm | 7 cm | |
| Width | 19.7 cm | 18.3 cm | |
| Depth | 20.32 cm | 16 cm | |
| Weight | 369 g | 155 g | Poly Voyager Focus B825 are lighter than ASTRO A40 TR headphones. |
| Colour | Black, blue | Black | Black, red | White | Black, olive | Navy, crimson | Black | |
| Earpad Material | Synthetic leather | - | |
| Recommended Use | Game console, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| 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 | |
| Noise Isolating | Yes | - | ASTRO A40 TR are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | MixAmp Dolby Digital | - | |
| Sound Effects | 7.1 Channel Dolby Headphone Surround Sound | - | |
| Frequency Response | 20 - 24000 Hz | 20 - 20000 Hz | ASTRO A40 TR offer a larger frequency range than Poly Voyager Focus B825. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Impedance | 48 Ohm | - | |
| Diaphragm | 40 mm | 32 mm | ASTRO A40 TR have a thicker diaphragm than Poly Voyager Focus B825. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | - | Smart Sensor Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Audio Input Details | Uni-directional | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Controls | Volume | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Cable Type | Headset cable - detachable - 2 m Audio splitter - 1.5 m |
Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | ASTRO A40 TR | 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 | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 5-pole) | - |
|---|
| OTHERS | ASTRO A40 TR | Poly Voyager Focus B825 |
|---|
| Bundled with | Astro MixAmp Pro TR | - | |
|---|---|---|---|
| Included Accessories | Detachable microphone, 2 speaker tags | Travel pouch, BT700 Bluetooth USB adapter | |
| Compatibility | Mac, Windows | - | |
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 1 year | - |
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