In depth comparison and review of JBL Free II and Razer Hammerhead True Wireless (2021). Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 4.8 g | 53 g | JBL Free II are lighter than JBL Free II headphones. |
| Dimensions & Weight Details | Earphone: 4.8 g Charging case: 52 g |
- | |
| Colour | Black | White | Black | |
| Protection | Splashproof, IPX4 | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Razer Hammerhead True Wireless (2021) have a more advanced version of Bluetooth than JBL Free II. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Razer Hammerhead True Wireless (2021) 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 | - | 5 mW | |
| Sensitivity | 100 dB | 91 dB/mW | JBL Free II have higher sensitivity than Razer Hammerhead True Wireless (2021). |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | 95 dB | - | |
| Diaphragm | 5.6 mm | 10 mm | Razer Hammerhead True Wireless (2021) have a thicker diaphragm than JBL Free II. |
| Features | - | Google Fast Pair, Razer Chroma RGB |
| MICROPHONE | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | -38 dBV/Pascal | -26 dBFS | |
| Signal-To-Noise Ratio | - | 64 dB |
| CABLE | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Cable Type | USB-C charge cable | - |
|---|
| FEATURES | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Additional Functions | - | Gaming mode |
| BATTERY AND CHARGING | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Battery Type | 2 x headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 6 hour(s) | 6.5 hour(s) | Razer Hammerhead True Wireless (2021) lasts longer on a single charge than the JBL Free II. |
| Battery Life Details | (with included charging case): up to 24 hours | Continuous playback (lighting OFF / ANC OFF): up to 6.5 hours Continuous playback (lighting OFF / ANC OFF / with included charging case): up to 32.5 hours Continuous playback (lighting ON / ANC OFF): up to 5.5 hours Continuous playback (lighting ON / ANC OFF / with included charging case): up to 27.5 hours Continuous playback (lighting ON / ANC OFF): up to 4.5 hours Continuous playback (lighting ON / ANC OFF / with included charging case): up to 22.5 hours Continuous playback (lighting ON / ANC ON): up to 4 hours Continuous playback (lighting ON / ANC ON / with included charging case): up to 16 hours |
|
| Charging Time | 2 hour(s) | - | |
| Included Qty | 2 | - |
| OTHERS | JBL Free II | Razer Hammerhead True Wireless (2021) |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) | Ear tips kit, charging case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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