In depth comparison and review of Sennheiser HD 2.30i and Poly Voyager Focus UC B825S-M. 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 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | HD 2 | - | |
| Weight | 262 g | 155 g | Poly Voyager Focus UC B825S-M are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 45 m |
| SOUND QUALITY | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 2.30i can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Advanced Audio Distribution Profile (A2DP) | |
| Active Noise Cancelling | - | Yes | Poly Voyager Focus UC B825S-M are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 115 dB/Vrms | - | |
| Impedance | 22 Ohm | - | |
| Max Sound Pressure | 115 dB | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono, omni-directional | Mono |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Controls | Volume, answer/end, play/pause | Volume |
|---|
| CABLE | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Cable Type | Headphones cable - 1.4 m | Charging cable | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Bluetooth |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly Voyager Focus UC B825S-M |
|---|
| Included Accessories | - | Carrying case, Bluetooth USB adapter, charging stand | |
|---|---|---|---|
| Compatibility | iPhone | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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