In depth comparison and review of Under Armour and Jaybird X4. 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 | Under Armour | Jaybird X4 |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 24.2 cm | |
| Width | - | 54.5 cm | |
| Depth | - | 1.3 cm | |
| Weight | - | 14.7 g | |
| Dimensions & Weight Details | - | Earphone: 54.5 cm x 1.3 cm x 24.2 cm / 14.7 g Control unit: 4.25 cm x 1.16 cm x 0.53 cm Cradle: 9.8 cm x 1.81 cm x 0.96 cm / 5.5 g |
|
| Colour | White | Jade, alfa metallic | Flash, black metallic | Glacier, storm metallic | |
| Protection | Sweat-resistant | Waterproof, sweat-resistant, IPX7 | |
| Design | Sports | Sports | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Under Armour | Jaybird X4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.1 | Jaybird X4 have a more advanced version of Bluetooth than Under Armour. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Serial Port Profile (SPP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 20000 Hz | Under Armour offer a larger frequency range than Jaybird X4. |
| Max Input Power | - | 10 mW | |
| Total Harmonic Distortion (THD) | - | <5% | |
| Sensitivity | - | 99 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 113 dB | - | |
| Diaphragm | 5.8 mm | 6 mm | Jaybird X4 have a thicker diaphragm than Under Armour. |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Under Armour | Jaybird X4 |
|---|
| Microphone Operation Mode | - | Omni-directional | |
|---|---|---|---|
| Audio Input Details | - | Omni-directional | |
| Sensitivity | - | -38 dB | |
| Max Sound Pressure | - | 94 dB |
| REMOTE CONTROL | Under Armour | Jaybird X4 |
|---|
| Controls | - | Volume control, answer/end, play/pause, next/previous track |
|---|
| CABLE | Under Armour | Jaybird X4 |
|---|
| Cable Type | Micro-USB cable | - |
|---|
| BATTERY AND CHARGING | Under Armour | Jaybird X4 |
|---|
| Battery Type | Handset battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | - | |
| Battery Life | 8 hour(s) | 8 hour(s) | Both headphones last the same amount of time on a single charge. |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | - |
| OTHERS | Under Armour | Jaybird X4 |
|---|
| Included Accessories | Carrying case, 3 pairs of ear tips, 5 sizes of fit adapters | Carrying pouch, clothing clip, charging cradle, 3 sizes secure-fit ear fins, Comply ultra ear tips (M/L), oval silicone ear tips (S/L), speed cinch | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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