In depth comparison and review of Happy Plugs Air 1 Go and Sennheiser CX 400BT. 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 | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 3.5 g | - | |
| Dimensions & Weight Details | Charging case: 4.9 cm x 4.9 cm x 2.1 cm / 26 g | Earbud: 6 g Charging case: 37 g |
|
| Colour | Mint | Black | White | Black | |
| Protection | Sweat-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Happy Plugs Air 1 Go. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC | SBC, AAC, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Happy Plugs Air 1 Go. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 102 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 12 mm | 7 mm | Happy Plugs Air 1 Go have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Controls | Answer/end, play/pause | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB cable | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Siri, Google Assistant | Siri, Google Assistant | |
| Sensors | Touch sensor | - |
| BATTERY AND CHARGING | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Battery Type | 2 x headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 40 mAh | 55 mAh | Sennheiser CX 400BT have a higher battery capacity than Happy Plugs Air 1 Go. |
| Battery Life | 11 hour(s) | 7 hour(s) | Happy Plugs Air 1 Go 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 |
|
| Standby Time | 45 hours | - | |
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | 2 |
| WIRELESS LINK | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Happy Plugs Air 1 Go | Sennheiser CX 400BT |
|---|
| Included Accessories | 2 silicon sleeves, charging case (400 mAh) | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | - | 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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