Side by side comparison and review of Monster iSport Freedom and Sennheiser HD 400S. 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 | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 217 g | |
| Colour | Black/green | Green | Black | |
| Protection | Waterproof, sweat-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Noise Isolating | - | Yes | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Monster Sound | - | |
| Frequency Response | - | 18 - 20000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Impedance | - | 18 Ohm | |
| Max Sound Pressure | - | 120 dB | |
| Features | Voice activated, voice guidance, dual link system | - |
| MICROPHONE | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | On-cable | On-cable | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Cable Type | USB charge cable Headphones cable |
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 | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 9 hour(s) | - | |
| Standby Time | 100 hours | - |
| CONNECTIONS | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Connector Type | USB | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Monster iSport Freedom | Sennheiser HD 400S |
|---|
| Included Accessories | Cleaning cloth, protective pouch | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - | |
| Service & Support | - | Limited warranty - 2 years |
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