In depth comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Audio-Technica QuietPoint ATH-ANC900BT. 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 | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 113 g | 263 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | Memory foam | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | Audio-Technica QuietPoint ATH-ANC900BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| 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 | |
| Active Noise Cancelling | - | Yes | Audio-Technica QuietPoint ATH-ANC900BT are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 5 - 40000 Hz | Audio-Technica QuietPoint ATH-ANC900BT offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Max Input Power | - | 1000 mW | |
| Sensitivity | 103 dB | 100 dB/mW | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Audio-Technica QuietPoint ATH-ANC900BT. |
| Impedance | 200 Ohm | 35 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 150 - 6800 Hz | 50 - 4000 Hz | EPOS I SENNHEISER IMPACT SC 660 TC offer a larger microphone frequency range than Audio-Technica QuietPoint ATH-ANC900BT. |
| Sensitivity | - | -44 dB |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Controls | - | Volume control, answer/end |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Cable Type | Headset cable - 1 m | Headphones cable - detachable - L shaped - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 60 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling ON / cable connection): up to 60 hours |
|
| Charging Time | - | 5.5 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Connector Type | Headset (EasyDisconnect) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Audio-Technica QuietPoint ATH-ANC900BT |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Carrying case, airplane adapter, micro-USB cable (0.3m) | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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