Side by side comparison and review of Philips ActionFit RunFree SHQ6500CL and Sennheiser CX 400BT. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 2 cm | - | |
| Width | 10 cm | - | |
| Depth | 4 cm | - | |
| Weight | 14 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black, carbon lime | White | Black | |
| Body Material | Rubber | - | |
| Protection | Waterproof, sweat-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | Ear-bud | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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 Philips ActionFit RunFree SHQ6500CL. |
| 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Noise Isolating | Yes | - | Philips ActionFit RunFree SHQ6500CL are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 15 - 22000 Hz | 5 - 21000 Hz | Philips ActionFit RunFree SHQ6500CL offer a larger frequency range than Sennheiser CX 400BT. |
| Max Input Power | 10 mW | - | |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 107 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | PET - 13.6 mm | 7 mm | Philips ActionFit RunFree SHQ6500CL have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | Neodymium | - |
| MICROPHONE | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Controls | Volume control, answer/end, hold, phone/music mode | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Cable Type | Headphones cable - Kevlar reinforced USB charge cable |
USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 4.5 hours | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Philips ActionFit RunFree SHQ6500CL. |
| Battery Life Details | Continuous playback: up to 4.5 hours Standby: up to 55 hours Continuous talk: up to 4.5 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Standby Time | 55 hours | - | |
| Charging Time | - | 1.5 hour(s) | |
| Included Qty | - | 2 |
| WIRELESS LINK | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Radio Transmitter Power | - | 10 mW |
| CONNECTIONS | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Connector Type | Bluetooth USB (power only) |
- |
|---|
| OTHERS | Philips ActionFit RunFree SHQ6500CL | Sennheiser CX 400BT |
|---|
| Included Accessories | USB charge cable, 1 pair of ear tips | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | IPX2 | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | |
| Service & Support | Limited warranty - 1 year | - |
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