Side by side comparison and review of Poly Blackwire 3325 and OneOdio A70. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | 17 cm | |
| Width | 21.6 cm | 14 cm | |
| Depth | 5.6 cm | 10 cm | |
| Weight | 130 g | - | |
| Colour | - | Black | |
| Earpad Material | Leatherette | - | |
| Protection | Hearing protection | - | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Foldable | - | Yes | OneOdio A70 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | 110 dB | OneOdio A70 have higher sensitivity than Poly Blackwire 3325. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | OneOdio A70 have a thicker diaphragm than Poly Blackwire 3325. |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | - | cVc 6.0 (clear Voice capture) by Qualcomm | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Controls | Mute, volume, answer/end | Volume, on/off, next/previous track, ANC on/off |
|---|
| CABLE | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Cable Type | Headset cable | Micro-USB charge cable - detachable Mini-phone 3.5 mm to mini-phone 3.5 mm cable - detachable Mini-phone 3.5 mm to 6.3 mm phone cable - detachable - coiled |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 950 mAh | |
| Battery Life | - | 50 hour(s) |
| CONNECTIONS | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
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|---|
| OTHERS | Poly Blackwire 3325 | OneOdio A70 |
|---|
| Included Accessories | Carrying pouch | Carrying pouch | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | - |
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