Side by side comparison and review of Sennheiser PXC 550-II and Cooler Master MH670. 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 PXC 550-II | Cooler Master MH670 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - 2.4 GHz - wireless | |
|---|---|---|---|
| Height | 17.4 cm | 19.15 cm | |
| Width | 13.6 cm | 19.2 cm | |
| Depth | 6.3 cm | 8.5 cm | |
| Weight | 227 g | 346.5 g | Sennheiser PXC 550-II are lighter than Sennheiser PXC 550-II headphones. |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | - | PU leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | - | |
| Active Noise Cancelling | Yes | - | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 17 - 23000 Hz | 15 - 20000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Cooler Master MH670. |
| Max Input Power | - | 150 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 110 dB | 110 dB | Both headphones offer the same sensitivity. |
| Impedance | 490 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 50 mm | Cooler Master MH670 have a thicker diaphragm than Sennheiser PXC 550-II. |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Form Factor | Built-in | Detachable headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 50 - 10000 Hz | 50 - 18000 Hz | Cooler Master MH670 offer a larger microphone frequency range than Sennheiser PXC 550-II. |
| Sensitivity | -34 dBV/Pascal | -40 dB | |
| Signal-To-Noise Ratio | - | 50 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Power on/off, microphone on/mute, master volume |
|---|
| CABLE | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Cable Type | USB charge cable Audio cable |
Mini-phone 3.5 mm to mini-phone 3.5 mm cable - 1.5 m Micro-USB charge cable - 1.2 m USB-C to USB-A adapter |
|
|---|---|---|---|
| Cable Length | - | 1.5 m | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1500 mAh | |
| Battery Life | 30 hour(s) | 24 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Cooler Master MH670. |
| Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
- | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
USB 2.0 (4 PIN USB Type A) |
|---|
| OTHERS | Sennheiser PXC 550-II | Cooler Master MH670 |
|---|
| Included Accessories | Carrying case, airplane adapter | - | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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