Poly EncorePro 725 vs. JBL LIVE 670NC

Headphones Comparison, Reviews and Tests

In depth comparison and review of Poly EncorePro 725 and JBL LIVE 670NC. 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

Poly EncorePro 725 vs. JBL LIVE 670NC Comparison Chart
DESIGN AND DIMENSIONS Poly EncorePro 725 JBL LIVE 670NC
Product Type Headset - wired - USB-A Headphones - Bluetooth - wireless, wired - 3.5 mm jack
Series EncorePro 700 Series -
Weight 78 g 219 g Poly EncorePro 725 are lighter than Poly EncorePro 725 headphones.
Colour Black Black
Earpad Material Artificial leather -
Recommended Use - Portable electronics
SOUND QUALITY Poly EncorePro 725 JBL LIVE 670NC
Headphones Form Factor On-ear Full size
Headphones Technology - Dynamic
Foldable - Yes JBL LIVE 670NC can be folded.
Connectivity Technology Wired Wireless, wired
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.3
Bluetooth Profiles - Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Active Noise Cancelling - Yes JBL LIVE 670NC are equipped with active noice cancellation.
Active Noise Cancelling Technology - True Adaptive Noise Canceling
Sound Output Mode Stereo Stereo
Sound Effects - Signature Sound, JBL Spatial Sound
Frequency Response - 20 - 20000 Hz
Sensitivity - 98 dB
Impedance - 32 Ohm
Max Sound Pressure - 95 dB
Diaphragm 28 mm 40 mm JBL LIVE 670NC have a thicker diaphragm than Poly EncorePro 725.
Features SoundGuard Technology TalkThru technology, 2 devices connectivity, Ambient Aware, Auto Play, Auto Pause, Speed Charge, Smart Ambient
MICROPHONE Poly EncorePro 725 JBL LIVE 670NC
Form Factor - Built-in
Type Boom -
Microphone Operation Mode Omni-directional -
Noise Cancelling Yes - Poly EncorePro 725 microphone can cancel out ambient noise.
Noise Cancelling Technology Passive noise cancellation (PNC) -
Frequency Response 100 - 6800 Hz -
Audio Input Details - Beamforming
Sensitivity - -38 dBV/Pascal
Microphones Included - 2
REMOTE CONTROL Poly EncorePro 725 JBL LIVE 670NC
Controls - On/off, answer/end, voice assistant
CABLE Poly EncorePro 725 JBL LIVE 670NC
Cable Type - USB-C charge cable - detachable
Headphones cable - detachable - 2 m
Cable Length 89 cm 2 m
Detachable Cable - Yes
FEATURES Poly EncorePro 725 JBL LIVE 670NC
Features 290° rotatable microphone Touch control
Internet of Things (IoT) Compatible - Yes
Intelligent Assistant - Google Assistant, Alexa
Sensors - Touch sensor
BATTERY AND CHARGING Poly EncorePro 725 JBL LIVE 670NC
Battery Type - Headphone battery rechargeable - Lithium Ion
Battery Capacity - 850 mAh
Battery Life - 65 hour(s)
Battery Life Details - Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 50 hours
Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 65 hours
Continuous playback (active noise-cancelling on) (noise cancelling ON / cable connection): up to 40 hours
Continuous talk (active noise-cancelling on) (noise cancelling ON): up to 28 hours
Continuous talk (active noise-cancelling off) (noise cancelling OFF): up to 33 hours
Charging Time - 3 hour(s)
CONNECTIONS Poly EncorePro 725 JBL LIVE 670NC
Connector Type USB (USB Type-A) Headphones (mini-phone stereo 3.5 mm)
OTHERS Poly EncorePro 725 JBL LIVE 670NC
Included Accessories - Carrying pouch, audio cable, USB-C charging cable
Compatibility - Android phone, Windows, Android tablet
Service & Support - Limited warranty - 2 years
Other projects: