V7 HA520-2EP vs. Poly Voyager 4220 UC

Headphones Comparison, Reviews and Tests

In depth comparison and review of V7 HA520-2EP and Poly Voyager 4220 UC. 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.

Headphones Specifications Comparison

V7 HA520-2EP vs. Poly Voyager 4220 UC Comparison Chart
DESIGN AND DIMENSIONS V7 HA520-2EP Poly Voyager 4220 UC
Product Type Headphones - wired - 3.5 mm jack Headset - Bluetooth - wireless
Series - UC Series
Height 18.8 cm -
Width 6.8 cm -
Depth 14.8 cm -
Weight 163.5 g 150 g Poly Voyager 4220 UC are lighter than V7 HA520-2EP headphones.
Colour Black -
Bluetooth Range (Operating Distance) - 30 m
SOUND QUALITY V7 HA520-2EP Poly Voyager 4220 UC
Headphones Form Factor On-ear On-ear
Adjustable Headband Yes -
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.0
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC, mSBC
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Sensitivity 110 dB -
Impedance 32 Ohm 32 Ohm
Diaphragm 40 mm 32 mm V7 HA520-2EP have a thicker diaphragm than Poly Voyager 4220 UC.
Features - SoundGuard DIGITAL Technology
In-Cord Volume Control Yes -
MICROPHONE V7 HA520-2EP Poly Voyager 4220 UC
Form Factor - Headset microphone
Type - Boom
Microphone Operation Mode - Uni-directional
Microphones Included - 2
REMOTE CONTROL V7 HA520-2EP Poly Voyager 4220 UC
Controls - Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant
CABLE V7 HA520-2EP Poly Voyager 4220 UC
Cable Type Headphones cable - 1.8 m -
Cable Length 1.8 m -
FEATURES V7 HA520-2EP Poly Voyager 4220 UC
Features - Voice alerts
Intelligent Assistant - Alexa
BATTERY AND CHARGING V7 HA520-2EP Poly Voyager 4220 UC
Battery Type - Headset battery rechargeable - lithium polymer
Battery Capacity - 360 mAh
Battery Life - 15 hour(s)
Battery Life Details - Continuous playback: up to 15 hours
Continuous talk: up to 12 hours
Standby Time - 312 hours
Charging Time - 1.5 hour(s)
CONNECTIONS V7 HA520-2EP Poly Voyager 4220 UC
Connector Type Headphones (mini-phone stereo 3.5 mm) Wireless adapter (4 PIN USB Type A)
OTHERS V7 HA520-2EP Poly Voyager 4220 UC
Included Accessories - Bluetooth USB adapter, charging stand
Compliant Standards FCC, RoHS -
Service & Support Limited warranty - 2 years -
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