Detailed comparison and review of Poly Blackwire 325-M and ASTRO A20. 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 | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 320 g | |
| Colour | - | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | |
| Headband Material | Metal | Steel | |
| Recommended Use | - | Game console, computer | |
| Bluetooth Range (Operating Distance) | - | 9.14 m |
| SOUND QUALITY | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | <3% | |
| Sensitivity | - | 100 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Frequency Response | 100 - 10000 Hz | - | |
| Audio Input Details | - | Uni-directional |
| REMOTE CONTROL | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off |
|---|
| CABLE | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Cable Type | Headset cable - 2.13 m | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
|
|---|---|---|---|
| Cable Length | 2.13 m | 1 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
- |
|---|
| OTHERS | Poly Blackwire 325-M | ASTRO A20 |
|---|
| Included Accessories | - | Wireless transmitter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Service & Support | Limited warranty - 2 years | - |
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