Side by side comparison and review of Monster iSport Freedom and Sennheiser HD 4.20s. 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 4.20s |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Colour | Black/green | Green | Black | |
| Protection | Waterproof, sweat-resistant | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Noise Isolating | - | Yes | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Monster Sound | - | |
| Features | Voice activated, voice guidance, dual link system | - |
| MICROPHONE | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | On-cable | On-cable | |
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | - | -44 dBV/Pascal |
| REMOTE CONTROL | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Controls | - | 1-button remote |
|---|
| CABLE | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Cable Type | USB charge cable Headphones cable |
- | |
|---|---|---|---|
| Cable Length | - | 1.4 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 9 hour(s) | - | |
| Standby Time | 100 hours | - |
| CONNECTIONS | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Connector Type | USB | Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Monster iSport Freedom | Sennheiser HD 4.20s |
|---|
| Included Accessories | Cleaning cloth, protective pouch | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - | |
| Service & Support | - | Limited warranty - parts and labour - 2 years |
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