Side by side comparison and review of ASTRO A40 TR and Poly EncorePro 320. 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 EncorePro 320 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | 9.5 cm | 6.7 cm | |
| Width | 19.7 cm | 11.1 cm | |
| Depth | 20.32 cm | 14.9 cm | |
| Weight | 369 g | 74 g | Poly EncorePro 320 are lighter than ASTRO A40 TR headphones. |
| Colour | Black, blue | Black | Black, red | White | Black, olive | Navy, crimson | Black | |
| Earpad Material | Synthetic leather | Artificial leather | |
| Recommended Use | Game console, computer | Computer |
| SOUND QUALITY | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| 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 - 10000 Hz | ASTRO A40 TR offer a larger frequency range than Poly EncorePro 320. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Impedance | 48 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 5.6 mm | ASTRO A40 TR have a thicker diaphragm than Poly EncorePro 320. |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 35 - 21000 Hz | |
| Audio Input Details | Uni-directional | - | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB |
| REMOTE CONTROL | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| Controls | Volume | Mute, volume, answer/end |
|---|
| CABLE | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| Cable Type | Headset cable - detachable - 2 m Audio splitter - 1.5 m |
Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | 2 m | 2.19 m | |
| Detachable Cable | Yes | - |
| FEATURES | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 5-pole) | USB (USB Type-A) |
|---|
| OTHERS | ASTRO A40 TR | Poly EncorePro 320 |
|---|
| Bundled with | Astro MixAmp Pro TR | - | |
|---|---|---|---|
| Included Accessories | Detachable microphone, 2 speaker tags | - | |
| Compatibility | Mac, Windows | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 1 year | - |
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