In depth comparison and review of Bose QuietComfort 35 and EPOS I SENNHEISER ADAPT 661. 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 | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | 18.03 cm | - | |
| Width | 17.02 cm | - | |
| Depth | 8.13 cm | - | |
| Weight | 240 g | 227 g | EPOS I SENNHEISER ADAPT 661 are lighter than Bose QuietComfort 35 headphones. |
| Colour | Blue | Black | Silver | Black | |
| Body Material | Plastic, metal, leather, alcantara | - | |
| Earpad Material | Leather | - | |
| Recommended Use | Portable electronics | Portable electronics, computer - voice, communication | |
| Bluetooth Range (Operating Distance) | 10 m | 25 m | EPOS I SENNHEISER ADAPT 661 have a greater operating distance than Bose QuietComfort 35. |
| SOUND QUALITY | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | EPOS I SENNHEISER ADAPT 661 have a more advanced version of Bluetooth than Bose QuietComfort 35. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Noise Isolating | Yes | - | Bose QuietComfort 35 are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Sound Effects | - | EPOS AI, EPOS Voice | |
| Frequency Response | - | 17 - 23000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Impedance | - | 46 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Features | - | Audio prompts |
| MICROPHONE | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 661 microphone can cancel out ambient noise. |
| Frequency Response | - | 150 - 6800 Hz | |
| Microphones Included | - | 2 |
| CABLE | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Cable Type | Headphones cable - detachable USB charge cable - detachable |
USB-C to micro-USB cable Audio cable |
|
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | Yes | |
| Plated Connector | Gold | - |
| FEATURES | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Features | - | Touch control, EPOS ActiveGard, Talk-Through | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 730 mAh | |
| Battery Life | 20 hour(s) | 30 hour(s) | EPOS I SENNHEISER ADAPT 661 lasts longer on a single charge than the Bose QuietComfort 35. |
| Standby Time | - | 15 days | |
| Charging Time | 2.25 hour(s) | 3 hour(s) | Bose QuietComfort 35 recharge faster than Bose QuietComfort 35. |
| WIRELESS LINK | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Audio line-in (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
|---|
| OTHERS | Bose QuietComfort 35 | EPOS I SENNHEISER ADAPT 661 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying case, BTD 800 USB-C dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Compliant Standards | - | MFI | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
