In depth comparison and review of Jaybird Freedom and Sennheiser CX 400BT. 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 | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Length | 36 cm | - | |
| Weight | 13.8 g | - | |
| Dimensions & Weight Details | Control unit: 1.12 cm x 0.87 cm x 4.48 cm Charge clip: 1.4 cm x 1.2 cm x 4 cm / 6 g Earbud: 2.34 cm x 0.62 cm x 2.24 cm |
Earbud: 6 g Charging case: 37 g |
|
| Colour | Space | Blush | Carbon | Blaze | Ocean | Gold | White | Black | |
| Body Material | Metal | - | |
| Protection | Sweat-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Jaybird Freedom. |
| Bluetooth Profiles | Serial Port Profile (SPP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Noise Isolating | Yes | - | Jaybird Freedom are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Jaybird Freedom. |
| Total Harmonic Distortion (THD) | <3% | 0.08% | Sennheiser CX 400BT have lower total harmonic distortion than Jaybird Freedom. |
| Sensitivity | 96 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 6 mm | 7 mm | Sennheiser CX 400BT have a thicker diaphragm than Jaybird Freedom. |
| Simultaneously Connectable Devices Qty (Multipoint) | 8 | - | Jaybird Freedom have the ability to connect to multiple devices simultaneously. |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Controls | Power on/off, volume control, answer/end, play/pause, next/previous track, reject call | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Cable Type | USB charge cable | USB-C to USB-A cable - detachable - straight - 25 cm | |
|---|---|---|---|
| Cable Length | 36 cm | - |
| FEATURES | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 55 mAh | Jaybird Freedom have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 8 hour(s) | 7 hour(s) | Jaybird Freedom lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | - | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Standby Time | 110 hours | - | |
| Charging Time | 2.5 hour(s) | 1.5 hour(s) | Sennheiser CX 400BT recharge faster than Jaybird Freedom. |
| Included Qty | - | 2 |
| WIRELESS LINK | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Jaybird Freedom | Sennheiser CX 400BT |
|---|
| Included Accessories | 3 ear tips, 3 pairs of EarFins, charging clip, 3 sizes Comply isolation tips, cord management clips | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | |
| Service & Support | Limited warranty - 2 years | - |
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