In depth comparison and review of Poly Blackwire 325-M and Poly - Plantronics Backbeat FIT 505. 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-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 6.726 cm | |
| Width | - | 14.877 cm | |
| Depth | - | 17.155 cm | |
| Weight | - | 155 g | |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| Headband Material | Metal | Memory foam | |
| Protection | - | Moisture-resistant, sweat-resistant | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| 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 | 20 - 20000 Hz | 50 - 20000 Hz | Poly Blackwire 325-M offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | - | <3% | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Controls | Mute, volume, answer/end | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Cable Type | Headset cable - 2.13 m | Micro-USB charge cable Audio cable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 18 hour(s) | |
| Standby Time | - | 480 hours | |
| Charging Time | - | 1.5 hour(s) |
| WIRELESS LINK | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
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|---|
| OTHERS | Poly Blackwire 325-M | Poly - Plantronics Backbeat FIT 505 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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