In depth comparison and review of Sennheiser CX 400BT and Shure AONIC 215 True Wireless. 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 400BT | Shure AONIC 215 True Wireless |
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Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
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Series | - | Sound Isolating | |
Weight | - | 20.8 g | |
Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
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Colour | White | Black | Black | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | - | 10 m |
SOUND QUALITY | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Headphones Form Factor | In-ear | In-ear - over-the-ear mount | |
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Headphones Technology | Dynamic | - | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Shure AONIC 215 True Wireless. |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC, aptX | |
Noise Isolating | - | Yes | Shure AONIC 215 True Wireless are equipped with a noise isolating function. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 5 - 21000 Hz | 22 - 17500 Hz | Sennheiser CX 400BT offer a larger frequency range than Shure AONIC 215 True Wireless. |
Total Harmonic Distortion (THD) | 0.08% | - | |
Sensitivity | - | 107 dB/mW | |
Impedance | - | 17 Ohm | |
Max Sound Pressure | 107 dB | - | |
Diaphragm | 7 mm | - |
MICROPHONE | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Form Factor | Built-in | Built-in |
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REMOTE CONTROL | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Power on/off, answer/end, play/pause, pair mode, voice assistant, environment mode |
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CABLE | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | - | |
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Detachable Cable | - | Yes |
FEATURES | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Features | Voice alerts, touch control | - | |
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Intelligent Assistant | Siri, Google Assistant | - | |
Additional Functions | - | Amplifier |
BATTERY AND CHARGING | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Battery Type | Headphone battery rechargeable - Lithium Ion | 2 x headphone battery rechargeable | |
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Battery Capacity | 55 mAh | - | |
Battery Life | 7 hour(s) | 8 hour(s) | Shure AONIC 215 True Wireless 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 |
Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 32 hours |
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Charging Time | 1.5 hour(s) | - | |
Included Qty | 2 | 2 |
WIRELESS LINK | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Radio Transmitter Power | 10 mW | - |
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CONNECTIONS | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Connector Type | - | 2 x headphones (MMCX) |
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OTHERS | Sennheiser CX 400BT | Shure AONIC 215 True Wireless |
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Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | USB charging cable, 3 pairs of ear tips (small, medium, large), charging case, 3 pairs of foam ear tips (small, medium, large) | |
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Compatibility | - | iPhone, iPad, Android phone | |
Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | - | |
Service & Support | - | Limited warranty - 2 years |