In depth comparison and review of JBL Quantum 300 and Sennheiser HMDC 27. 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 | JBL Quantum 300 | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Weight | 245 g | 240 g | Sennheiser HMDC 27 are lighter than JBL Quantum 300 headphones. |
| Colour | Black | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | - | Professional audio |
| SOUND QUALITY | JBL Quantum 300 | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 8 - 18000 Hz | JBL Quantum 300 offer a larger frequency range than Sennheiser HMDC 27. |
| Max Input Power | 30 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 128 dB | |
| Features | JBL Quantum SURROUND | - |
| MICROPHONE | JBL Quantum 300 | Sennheiser HMDC 27 |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | 100 - 10000 Hz | 40 - 18000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than JBL Quantum 300. |
| Sensitivity | -40 dB | - |
| FEATURES | JBL Quantum 300 | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | JBL Quantum 300 | Sennheiser HMDC 27 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | JBL Quantum 300 | Sennheiser HMDC 27 |
|---|
| Included Accessories | USB adapter | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | 1-year warranty | - |
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