Side by side comparison and review of Sennheiser MOMENTUM 4 and Poly Savi 8240-M D2. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | Headset | |
|---|---|---|---|
| Height | 19.5 cm | - | |
| Width | 18 cm | - | |
| Depth | 4.63 cm | - | |
| Weight | 293 g | - | |
| Colour | Black | White | - | |
| Earpad Material | Synthetic leather | - | |
| Recommended Use | Portable electronics | - | |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Sennheiser MOMENTUM 4 can be folded. |
| Connectivity Technology | Wireless, wired | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX Adaptive | - | |
| Active Noise Cancelling | Yes | - | Sennheiser MOMENTUM 4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Hybrid ANC | - | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Signature Sound | - | |
| Frequency Response | 6 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.3% | - | |
| Sensitivity | 106 dB | - | |
| Impedance | 60 Ohm | - | |
| Diaphragm | 42 mm | - | |
| Features | Smart Pause, Crystal-clear Calls | - |
| MICROPHONE | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | MEMS-directional | - | |
| Noise Cancelling | Yes | - | Sennheiser MOMENTUM 4 microphone can cancel out ambient noise. |
| Frequency Response | 50 - 10000 Hz | - | |
| Microphones Included | 4 | - |
| REMOTE CONTROL | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Controls | Volume, play/pause, equaliser preset | - |
|---|
| CABLE | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / sub-mini phone 2.5 mm 4-pole - 1.2 m USB-C to USB-A cable - detachable - 1.2 m |
- | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Features | Transparent Hearing mode, auto power on/off | - | |
|---|---|---|---|
| Sensors | Touch sensor | - | |
| Additional Functions | Smart Touch Control, USB-C charging port | - |
| BATTERY AND CHARGING | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 60 hour(s) | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | 1 | - |
| CONNECTIONS | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Connector Type | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
- |
|---|
| OTHERS | Sennheiser MOMENTUM 4 | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m) | - | |
|---|---|---|---|
| Software Included | Sennheiser Smart Control | - | |
| Compliant Standards | Bluetooth Class 1 | - | |
| Service & Support | Limited warranty - 2 years | - |
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