Side by side comparison and review of ASTRO A20 and EPOS I SENNHEISER ADAPT 135 USB II. 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 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headset - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 320 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than ASTRO A20 headphones. |
| Colour | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | Black | |
| Earpad Material | - | Leatherette | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 9.14 m | - |
| SOUND QUALITY | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| 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 | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz | |
| Audio Input Details | Uni-directional | - |
| REMOTE CONTROL | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Volume, power on/off | Volume, answer/end |
|---|
| CABLE | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
Headset cable | |
|---|---|---|---|
| Cable Length | 1 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - |
| CONNECTIONS | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | - | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | ASTRO A20 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | Wireless transmitter | - | |
|---|---|---|---|
| Compatibility | Mac, Windows | - | |
| Software Certification | - | Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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