In depth comparison and review of Sennheiser HD 400S and OneOdio A30. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 400S | OneOdio A30 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 217 g | - | |
| Colour | Black | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 400S | OneOdio A30 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Active Noise Cancelling | - | Yes | OneOdio A30 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 400S | OneOdio A30 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Noise Cancelling | - | Yes | OneOdio A30 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | cVc 8.0 (clear Voice capture) by Qualcomm | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Sennheiser HD 400S | OneOdio A30 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Volume, on/off, next/previous track, ANC on/off |
|---|
| CABLE | Sennheiser HD 400S | OneOdio A30 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 400S | OneOdio A30 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 500 mAh | |
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | (noise cancelling ON): up to 50 hours (noise cancelling OFF / Bluetooth): up to 30 hours (noise cancelling ON / Bluetooth): up to 20 hours |
|
| Charging Time | - | 2.5 hours |
| CONNECTIONS | Sennheiser HD 400S | OneOdio A30 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Audio line-in (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 400S | OneOdio A30 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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