August EP650B vs. Poly Blackwire 3320-M

Headphones Comparison, Reviews and Tests

Detailed comparison and review of August EP650B and Poly Blackwire 3320-M. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.

Headphones Specifications Comparison

August EP650B vs. Poly Blackwire 3320-M Comparison Chart
DESIGN AND DIMENSIONS August EP650B Poly Blackwire 3320-M
Product Type Headphones - Bluetooth - wireless - NFC - USB, 3.5 mm jack Headset - wired - USB-C
Series - Blackwire 3300 series
Height 17.66 cm 17.8 cm
Width 18.86 cm 15.5 cm
Depth 7.1 cm 3.2 cm
Weight 235 g 130 g Poly Blackwire 3320-M are lighter than August EP650B headphones.
Colour - Black
Earpad Material - Foam
Recommended Use Portable electronics, computer Portable electronics, computer
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY August EP650B Poly Blackwire 3320-M
Headphones Form Factor Full size On-ear
Adjustable Headband - Yes
Foldable Yes - August EP650B can be folded.
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 4.1 -
Active Noise Cancelling - Yes Poly Blackwire 3320-M are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard
Sound Output Mode Stereo Stereo
Frequency Response 60 - 20000 Hz 20 - 20000 Hz Poly Blackwire 3320-M offer a larger frequency range than August EP650B.
Total Harmonic Distortion (THD) 1% -
Sensitivity - 116 dB
Impedance - 32 Ohm
Max Sound Pressure - 118 dB
Diaphragm 50 mm 32 mm August EP650B have a thicker diaphragm than Poly Blackwire 3320-M.
Signal-To-Noise Ratio 85 dB -
Features Bluetooth aptX technology Dynamic EQ optimised
In-Cord Volume Control - Yes
MICROPHONE August EP650B Poly Blackwire 3320-M
Form Factor Built-in -
Type - Boom
Frequency Response - 100 - 10000 Hz
Sensitivity - -38 dB
REMOTE CONTROL August EP650B Poly Blackwire 3320-M
Controls - Mute, volume, answer/end
CABLE August EP650B Poly Blackwire 3320-M
Cable Type Headphones cable - detachable -
BATTERY AND CHARGING August EP650B Poly Blackwire 3320-M
Battery Type Headphone battery rechargeable - Lithium Ion -
Battery Capacity 220 mAh -
Battery Life 10 hour(s) -
Standby Time 720 hours -
Charging Time 2 hour(s) -
CONNECTIONS August EP650B Poly Blackwire 3320-M
Connector Type Headphones (mini-phone stereo 3.5 mm)
USB
USB (24 pin USB-C)
OTHERS August EP650B Poly Blackwire 3320-M
Compatibility iPhone, iPad, iPod, Android phone Mac, Windows
Software Certification - Certified for Microsoft Teams
Supported Host Device OS - Windows 10, macOS
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