In depth comparison and review of Sennheiser HD 4.40 and Belkin SoundForm Adapt. 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 HD 4.40 | Belkin SoundForm Adapt |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Colour | - | Black | |
| Body Material | - | Recycled plastic | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Belkin SoundForm Adapt can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 5.2 | Belkin SoundForm Adapt have a more advanced version of Bluetooth than Sennheiser HD 4.40. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | - | 98 dB | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Belkin SoundForm Adapt have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Belkin SoundForm Adapt microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Controls | - | Volume, power on/off, pair mode, flip-to-mute |
|---|
| CABLE | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Cable Type | - | USB-C to USB-C cable - detachable - 1 m Audio cable - detachable - 1.2 m |
|---|
| FEATURES | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Features | - | Touch control, fast charge, Multipoint Pairing |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 65 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 65 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) Headphones (USB Type-C) |
|---|
| OTHERS | Sennheiser HD 4.40 | Belkin SoundForm Adapt |
|---|
| Included Accessories | - | 3.5 mm audio cable, USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | RoHS, USB-IF, REACH | |
| Service & Support | - | Limited warranty - 2 years |
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