Side by side comparison and review of Sony MDR 1000X and Poly Blackwire 325. 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 | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Weight | 275 g | - | |
| Colour | Black | Beige | - | |
| Headband Material | - | Metal | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sony MDR 1000X 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), Low Complexity Subband Coding (SBC) | - | |
| Active Noise Cancelling | Yes | - | Sony MDR 1000X are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 4 - 40000 Hz | 20 - 20000 Hz | Sony MDR 1000X offer a larger frequency range than Poly Blackwire 325. |
| Sensitivity | 103 dB/mW | - | |
| Impedance | 46 Ohm | - | |
| Diaphragm | Liquid crystal polymer - 40 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Controls | Volume control | Mute, volume, answer/end |
|---|
| CABLE | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.5 m | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | 1.5 m | 2.13 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| FEATURES | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 20 hours | - | |
| Standby Time | 34 hours | - | |
| Charging Time | 4 hours | - |
| WIRELESS LINK | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Connector Type | Bluetooth USB Headphones (mini-phone stereo 3.5 mm) |
USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Sony MDR 1000X | Poly Blackwire 325 |
|---|
| Included Accessories | Carrying case, USB cable, in-flight plug adapter | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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