Side by side comparison and review of Razer Hammerhead BT and KEF Mu3. 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 | Razer Hammerhead BT | KEF Mu3 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Dimensions & Weight Details | - | Earbud: 1.75 cm x 2.63 cm x 2.45 cm / 5.8 g Charging case: 6.2 cm x 5.2 cm x 3.35 cm / 46.8 g |
|
| Colour | - | Silver grey | |
| Protection | - | Splashproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Razer Hammerhead BT | KEF Mu3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | KEF Mu3 have a more advanced version of Bluetooth than Razer Hammerhead BT. |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | KEF Mu3 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 10 mW | 5 mW | |
| Sensitivity | 116 dB | 104 dB/mW | Razer Hammerhead BT have higher sensitivity than KEF Mu3. |
| Impedance | 32 Ohm | 16 Ohm | |
| Diaphragm | 10 mm | 8.2 mm | Razer Hammerhead BT have a thicker diaphragm than KEF Mu3. |
| Magnet Material | Neodymium magnet | - | |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Razer Hammerhead BT | KEF Mu3 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead BT | KEF Mu3 |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | Multiple function button |
|---|
| CABLE | Razer Hammerhead BT | KEF Mu3 |
|---|
| Cable Type | Headphones cable - 63 cm | - | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| BATTERY AND CHARGING | Razer Hammerhead BT | KEF Mu3 |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 160 mAh | 50 mAh | Razer Hammerhead BT have a higher battery capacity than KEF Mu3. |
| Battery Life | 8 hour(s) | 9 hour(s) | KEF Mu3 lasts longer on a single charge than the Razer Hammerhead BT. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 9 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 2 hour(s) | - | |
| Included Qty | - | 2 |
| WIRELESS LINK | Razer Hammerhead BT | KEF Mu3 |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Razer Hammerhead BT | KEF Mu3 |
|---|
| Included Accessories | - | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | IPX5 |
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