In depth comparison and review of Jaybird X4 and Poly SupraPlus NC. 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 X4 | Poly SupraPlus NC |
|---|
| Product Type | Earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| 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 | Jade, alfa metallic | Flash, black metallic | Glacier, storm metallic | - | |
| Protection | Waterproof, sweat-resistant, IPX7 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Jaybird X4 | Poly SupraPlus NC |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | 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 | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 10 mW | - | |
| Total Harmonic Distortion (THD) | <5% | - | |
| Sensitivity | 99 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Jaybird X4 | Poly SupraPlus NC |
|---|
| Microphone Operation Mode | Omni-directional | - | |
|---|---|---|---|
| Audio Input Details | Omni-directional | - | |
| Sensitivity | -38 dB | - | |
| Max Sound Pressure | 94 dB | - |
| REMOTE CONTROL | Jaybird X4 | Poly SupraPlus NC |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track | - |
|---|
| BATTERY AND CHARGING | Jaybird X4 | Poly SupraPlus NC |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 8 hour(s) | - | |
| Charging Time | 2 hour(s) | - |
| OTHERS | Jaybird X4 | Poly SupraPlus NC |
|---|
| Included Accessories | 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 | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 1 year | - |
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