Side by side comparison and review of ASTRO A40 TR and Poly Blackwire 325-M. 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 A40 TR | Poly Blackwire 325-M |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Height | 9.5 cm | - | |
| Width | 19.7 cm | - | |
| Depth | 20.32 cm | - | |
| Weight | 369 g | - | |
| Colour | Black, blue | Black | Black, red | White | Black, olive | Navy, crimson | - | |
| Earpad Material | Synthetic leather | - | |
| Headband Material | - | Metal | |
| Recommended Use | Game console, computer | - |
| SOUND QUALITY | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wired | |
| 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 Blackwire 325-M. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Impedance | 48 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Uni-directional | - |
| REMOTE CONTROL | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Controls | Volume | Mute, volume, answer/end |
|---|
| CABLE | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Cable Type | Headset cable - detachable - 2 m Audio splitter - 1.5 m |
Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | 2 m | 2.13 m | |
| Detachable Cable | Yes | - |
| FEATURES | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Additional Functions | - | DSP |
|---|
| CONNECTIONS | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 5-pole) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | ASTRO A40 TR | Poly Blackwire 325-M |
|---|
| Bundled with | Astro MixAmp Pro TR | - | |
|---|---|---|---|
| Included Accessories | Detachable microphone, 2 speaker tags | - | |
| Compatibility | Mac, Windows | - | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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