In depth comparison and review of ISOtunes Free Industrial and Sennheiser CX Plus. 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 | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 5.9 cm x 3.38 cm x 4.23 cm / 6 g Charging case: 35 g |
|
| Colour | Safety yellow | White | Black | |
| Protection | Dust-resistant, hearing protection, sweat-resistant, water-resistant | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sennheiser CX Plus have a more advanced version of Bluetooth than ISOtunes Free Industrial. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | aptX | SBC, AAC, aptX, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Sennheiser CX Plus are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | ISOtunes Free Industrial are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | - | 5 - 21000 Hz | |
| Diaphragm | - | 7 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | Built-in volume limiter | TrueResponse technology |
| MICROPHONE | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 4 |
| CABLE | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 7 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
Continuous playback (with included charging case): up to 24 hours | |
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| OTHERS | ISOtunes Free Industrial | Sennheiser CX Plus |
|---|
| Included Accessories | Charging case, 3 pairs of foam ear tips, 3 pairs of double flange ear tips (small, medium, large), USB-C charging cable | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | OSHA, NIOSH | - | |
| Service & Support | Limited warranty - 1 year Limited warranty - money back guarantee - 30 days |
Limited warranty - 2 years |
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