In depth comparison and review of Sennheiser HD 25 Plus and Poly Blackwire 3325. 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 25 Plus | Poly Blackwire 3325 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 18.6 cm | |
| Width | - | 21.6 cm | |
| Depth | - | 5.6 cm | |
| Weight | 140 g | 130 g | Poly Blackwire 3325 are lighter than Sennheiser HD 25 Plus headphones. |
| Earpad Material | - | Leatherette | |
| Protection | - | Hearing protection | |
| Design | DJ | - | |
| Recommended Use | Professional audio, home audio | - |
| SOUND QUALITY | Sennheiser HD 25 Plus | Poly Blackwire 3325 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 25 Plus offer a larger frequency range than Poly Blackwire 3325. |
| Total Harmonic Distortion (THD) | 0.3% | - | |
| Sensitivity | 120 dB | 94 dB | Sennheiser HD 25 Plus have higher sensitivity than Poly Blackwire 3325. |
| Impedance | 70 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 25 Plus | Poly Blackwire 3325 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Sennheiser HD 25 Plus | Poly Blackwire 3325 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 25 Plus | Poly Blackwire 3325 |
|---|
| Cable Type | Headphones cable - 1.3 m Headphones cable - 1.5 m |
Headset cable |
|---|
| CONNECTIONS | Sennheiser HD 25 Plus | Poly Blackwire 3325 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 25 Plus | Poly Blackwire 3325 |
|---|
| Included Accessories | Protective pouch, 3.5 mm to 6.3 mm adapter, 2 pairs of earpads | Carrying pouch | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | - | Limited warranty - 2 years |
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