In depth comparison and review of Poly Blackwire 325 and Philips TAH8505BK. 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 | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 278 g | |
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Philips TAH8505BK can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC | |
| Active Noise Cancelling | - | Yes | Philips TAH8505BK are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Philips TAH8505BK are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 7 - 40000 Hz | Philips TAH8505BK offer a larger frequency range than Poly Blackwire 325. |
| Max Input Power | - | 30 mW | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | - | PET - 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphone Features | - | Echo-cancelling |
| REMOTE CONTROL | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Controls | Mute, volume, answer/end | Hold, reject call, answer call |
|---|
| CABLE | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Cable Type | Headset cable - 2.13 m | USB charge cable Headphones cable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 30 hours Continuous playback (noise cancelling ON): up to 25 hours |
|
| Standby Time | - | 200 hours |
| CONNECTIONS | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (power only) (micro-USB) Headphones |
|---|
| OTHERS | Poly Blackwire 325 | Philips TAH8505BK |
|---|
| Compliant Standards | - | RoHS, EN 50581:2012, EN 62479:2010, EN 55035:2017, EN 62368-1:2014+A11:2017, EN 50663:2017, EN 300 328 V2.2.2, EN 301 489-1 V2.2.3, EN 301 489-17 V3.2.2, EN 55032:2015/A11:2020 | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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