Detailed comparison and review of ISOtunes Pro 2.0 and Sennheiser CX 400BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Safety orange | White | Black | |
| Protection | Dust-resistant, sweat-resistant, water-resistant, IP67 | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than ISOtunes Pro 2.0. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | aptX HD | SBC, AAC, aptX | |
| Noise Isolating | Yes | - | ISOtunes Pro 2.0 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 5 - 21000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | - | 7 mm |
| MICROPHONE | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB charge cable | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Features | 27Db Noise Reduction Rating | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 16 hour(s) | 7 hour(s) | ISOtunes Pro 2.0 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 |
|
| Charging Time | - | 1.5 hour(s) | |
| Included Qty | - | 2 |
| WIRELESS LINK | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | ISOtunes Pro 2.0 | Sennheiser CX 400BT |
|---|
| Included Accessories | Storage case, 2 cable clips, 1 pair of triple flange ear tips, 4 pairs of ISOtunes TRILOGY foam ear tips, 1 alligator clip | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | OSHA, NIOSH | 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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