Side by side comparison and review of Philips SHB4405WT and Poly Blackwire 325-M. 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 | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Height | 14 cm | - | |
| Width | 17 cm | - | |
| Depth | 3 cm | - | |
| Weight | 90 g | - | |
| Headband Material | - | Metal | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Philips SHB4405WT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 9 - 22000 Hz | 20 - 20000 Hz | Philips SHB4405WT offer a larger frequency range than Poly Blackwire 325-M. |
| Max Input Power | 40 mW | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 24 Ohm | - | |
| Diaphragm | PET - 32 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Controls | Mute, volume, answer/end, phone/music mode, reject call, redial | Mute, volume, answer/end |
|---|
| CABLE | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Cable Type | USB charge cable | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | - | 2.13 m |
| FEATURES | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 9 hour(s) | - | |
| Standby Time | 300 hours | - |
| WIRELESS LINK | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Connector Type | USB | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Philips SHB4405WT | Poly Blackwire 325-M |
|---|
| Service & Support | - | Limited warranty - 2 years |
|---|
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