In depth comparison and review of Sennheiser HD 599 and Poly Blackwire C725-UC. 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 599 | Poly Blackwire C725-UC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | HD 500 | 700 Series | |
| Colour | Brown, ivory, matte metallic | - | |
| Recommended Use | Home audio | Computer |
| SOUND QUALITY | Sennheiser HD 599 | Poly Blackwire C725-UC |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 12 - 38500 Hz | 20 - 20000 Hz | Sennheiser HD 599 offer a larger frequency range than Poly Blackwire C725-UC. |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Impedance | 50 Ohm | - | |
| Max Sound Pressure | 106 dB | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 599 | Poly Blackwire C725-UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Sennheiser HD 599 | Poly Blackwire C725-UC |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 599 | Poly Blackwire C725-UC |
|---|
| Cable Type | Headphones cable - 3 m Headphones cable - 1.2 m |
USB cable - 2.04 m | |
|---|---|---|---|
| Cable Length | - | 2.04 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Sennheiser HD 599 | Poly Blackwire C725-UC |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) Headphones (mini-phone stereo 3.5 mm) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Sennheiser HD 599 | Poly Blackwire C725-UC |
|---|
| Included Accessories | 3.5 mm to 6.3 mm adapter | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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