In depth comparison and review of Sennheiser CX 7.00BT and Poly SupraPlus SDS 1031-15. 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 | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Headset | |
|---|---|---|---|
| Colour | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Max Sound Pressure | 112 dB | - |
| MICROPHONE | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | - | Push to Talk (PTT) |
|---|
| CABLE | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | USB charge cable | Quick Disconnect to LEMO FFP.2S.310 cable |
|---|
| BATTERY AND CHARGING | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | - | |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Sennheiser CX 7.00BT | Poly SupraPlus SDS 1031-15 |
|---|
| Included Accessories | Carrying pouch, 4 ear tips (extra small, small, medium, large) | - | |
|---|---|---|---|
| TAA Compliant | - | Yes |
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