Side by side comparison and review of Sennheiser HD 300 PROtect and JBL Quantum 400. 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 | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | 297 g | 274 g | JBL Quantum 400 are lighter than Sennheiser HD 300 PROtect headphones. |
| Colour | - | Black | |
| Earpad Material | - | Memory foam |
| SOUND QUALITY | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | - | DTS | |
| Frequency Response | 6 - 25000 Hz | 20 - 20000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than JBL Quantum 400. |
| Max Input Power | 500 mW | 30 mW | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | 108 dB | 98 dB | Sennheiser HD 300 PROtect have higher sensitivity than JBL Quantum 400. |
| Impedance | 64 Ohm | 32 Ohm | |
| Features | - | JBL Quantum SURROUND |
| MICROPHONE | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 10 - 10000 Hz | |
| Sensitivity | - | -40 dB |
| CABLE | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Cable Type | Headphones cable - 1.55 m | - | |
|---|---|---|---|
| Cable Length | 1.55 m | - |
| FEATURES | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Features | EPOS ActiveGard | - |
|---|
| CONNECTIONS | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 300 PROtect | JBL Quantum 400 |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Software Included | - | JBL Quantum Engine | |
| Service & Support | - | 1-year warranty |
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