In depth comparison and review of Sony MDR ZX330BT 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 | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 18.6 cm | |
| Width | - | 21.6 cm | |
| Depth | - | 5.6 cm | |
| Weight | 150 g | 130 g | Poly Blackwire 3325 are lighter than Sony MDR ZX330BT headphones. |
| Earpad Material | - | Leatherette | |
| Protection | - | Hearing protection | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sony MDR ZX330BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 3.0 | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 94 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Blackwire 3325 have a thicker diaphragm than Sony MDR ZX330BT. |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Stereo | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3325 offer a larger microphone frequency range than Sony MDR ZX330BT. |
| Audio Input Details | Omni-directional - 100 - 4000 Hz | - | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Cable Type | Micro-USB charge cable - 50 cm | Headset cable |
|---|
| BATTERY AND CHARGING | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 30 hours | - | |
| Standby Time | 300 hours | - | |
| Charging Time | 4 hours | - |
| WIRELESS LINK | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Connector Type | Bluetooth | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sony MDR ZX330BT | Poly Blackwire 3325 |
|---|
| Included Accessories | - | Carrying pouch | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | - | Limited warranty - 2 years |
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