Detailed comparison and review of August EP650B and Poly Blackwire 3225 (3300 Series). With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | 17.66 cm | 17.8 cm | |
| Width | 18.86 cm | 15.5 cm | |
| Depth | 7.1 cm | 3.2 cm | |
| Weight | 235 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than August EP650B headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | August EP650B can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3225 (3300 Series) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 50 mm | 28 mm | August EP650B have a thicker diaphragm than Poly Blackwire 3225 (3300 Series). |
| Signal-To-Noise Ratio | 85 dB | - | |
| Features | Bluetooth aptX technology | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headphones cable - detachable | USB-A cable |
|---|
| BATTERY AND CHARGING | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 220 mAh | - | |
| Battery Life | 10 hour(s) | - | |
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB |
USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | August EP650B | Poly Blackwire 3225 (3300 Series) |
|---|
| Compatibility | iPhone, iPad, iPod, Android phone | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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