Side by side comparison and review of ASTRO A20 and Poly Blackwire 3225 (3300 Series). 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 | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headset - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 320 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than ASTRO A20 headphones. |
| Colour | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | Black | |
| Earpad Material | - | Artificial leather | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, computer | Computer | |
| Bluetooth Range (Operating Distance) | 9.14 m | - |
| SOUND QUALITY | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| 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 | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 100 dB | 90 dB | ASTRO A20 have higher sensitivity than Poly Blackwire 3225 (3300 Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | ASTRO A20 have a thicker diaphragm than Poly Blackwire 3225 (3300 Series). |
| Magnet Material | Neodymium | - | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Uni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | Volume, power on/off | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - |
| CONNECTIONS | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | - | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | ASTRO A20 | Poly Blackwire 3225 (3300 Series) |
|---|
| Included Accessories | Wireless transmitter | - | |
|---|---|---|---|
| Compatibility | Mac, Windows | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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