Detailed comparison and review of Monster iSport Freedom and Sennheiser HD 820. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired | |
|---|---|---|---|
| Weight | - | 360 g | |
| Colour | Black/green | Green | - | |
| Earpad Material | - | Microfibre | |
| Protection | Waterproof, sweat-resistant | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Noise Isolating | - | Yes | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Monster Sound | - | |
| Frequency Response | - | 6 - 48000 Hz | |
| Sensitivity | - | 103 dB/Vrms | |
| Impedance | - | 300 Ohm | |
| Features | Voice activated, voice guidance, dual link system | - |
| MICROPHONE | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | On-cable | - |
| CABLE | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Cable Type | USB charge cable Headphones cable |
Headphones cable - OFC - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 9 hour(s) | - | |
| Standby Time | 100 hours | - |
| CONNECTIONS | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Connector Type | USB | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | Monster iSport Freedom | Sennheiser HD 820 |
|---|
| Included Accessories | Cleaning cloth, protective pouch | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - |
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