Side by side comparison and review of Sony WH-CH700N and Poly Blackwire 3220. 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 WH-CH700N | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 240 g | 64 g | Poly Blackwire 3220 are lighter than Sony WH-CH700N headphones. |
| Colour | Black | Grey | Blue | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| 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) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Artificial Intelligence Noise Cancellation | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Digital Sound Enhancement Engine (DSEE) | - | |
| Frequency Response | 7 - 20000 Hz | - | |
| Sensitivity | 98 dB/mW | 90 dB | Sony WH-CH700N have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 22 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Sony WH-CH700N have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | 50 - 8000 Hz | 100 - 10000 Hz | Poly Blackwire 3220 offer a larger microphone frequency range than Sony WH-CH700N. |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Controls | Volume, noise-cancellation suspend button | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.2 m Micro-USB cable - 50 cm |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Voice Control | Indirect | - | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant | - |
| BATTERY AND CHARGING | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 35 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Standby (noise cancelling OFF): up to 200 hours |
- | |
| Standby Time | 200 hours | - | |
| Power Provided | 100 mW | - | |
| Voltage Provided | 3.65 V | - | |
| Charging Time | 7 hour(s) | - |
| WIRELESS LINK | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Connector Type | USB (power only) (5 pin Micro-USB Type B) Headphones (mini-phone stereo 3.5 mm 4-pole) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Sony WH-CH700N | Poly Blackwire 3220 |
|---|
| Compatibility | iPhone, iPod, Android phone | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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