In depth comparison and review of August EP650 and Sennheiser HD 400S. 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 | August EP650 | Sennheiser HD 400S |
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Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
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Height | 17.66 cm | - | |
Width | 18.86 cm | - | |
Depth | 7.1 cm | - | |
Weight | 235 g | 217 g | Sennheiser HD 400S are lighter than August EP650 headphones. |
Colour | Gold | Black | |
Recommended Use | Portable electronics, computer | Portable electronics | |
Bluetooth Range (Operating Distance) | 10 m | - |
SOUND QUALITY | August EP650 | Sennheiser HD 400S |
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Headphones Form Factor | Full size | Full size | |
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Headphones Technology | - | Dynamic | |
Ear Cups Type | - | Closed | |
Foldable | Yes | Yes | Both headphones can be folded. |
Connectivity Technology | Wireless | Wired | |
Wireless Technology | Bluetooth | - | |
Bluetooth Version | Bluetooth 4.1 | - | |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
Noise Isolating | - | Yes | Sennheiser HD 400S are equipped with a noise isolating function. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 60 - 20000 Hz | 18 - 20000 Hz | Sennheiser HD 400S offer a larger frequency range than August EP650. |
Total Harmonic Distortion (THD) | 1% | 0.5% | Sennheiser HD 400S have lower total harmonic distortion than August EP650. |
Impedance | - | 18 Ohm | |
Max Sound Pressure | - | 120 dB | |
Diaphragm | 50 mm | - | |
Signal-To-Noise Ratio | 85 dB | - | |
Features | Bluetooth aptX technology | - |
MICROPHONE | August EP650 | Sennheiser HD 400S |
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Form Factor | Built-in | - | |
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Type | - | On-cable | |
Frequency Response | - | 100 - 10000 Hz |
REMOTE CONTROL | August EP650 | Sennheiser HD 400S |
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Controls | - | Answer/end, play/pause, next/previous track |
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CABLE | August EP650 | Sennheiser HD 400S |
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Cable Type | Headphones cable - detachable | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | |
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Cable Length | - | 1.4 m | |
Detachable Cable | - | Yes |
BATTERY AND CHARGING | August EP650 | Sennheiser HD 400S |
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Battery Type | Headphone battery rechargeable - lithium polymer | - | |
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Battery Capacity | 220 mAh | - | |
Battery Life | 10 hour(s) | - | |
Standby Time | 720 hours | - | |
Charging Time | 2 hour(s) | - |
CONNECTIONS | August EP650 | Sennheiser HD 400S |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) |
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OTHERS | August EP650 | Sennheiser HD 400S |
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Included Accessories | USB charging cable | - | |
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Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |