Poly EncorePro 320, QD vs. JBL Quantum 300

Headphones Comparison, Reviews and Tests

In depth comparison and review of Poly EncorePro 320, QD and JBL Quantum 300. 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 320, QD vs. JBL Quantum 300 Comparison Chart
DESIGN AND DIMENSIONS Poly EncorePro 320, QD JBL Quantum 300
Product Type Headset - wired - Quick Disconnect Headset - wired - USB, 3.5 mm jack
Series 300 Series -
Weight - 245 g
Colour - Black
Earpad Material - Memory foam
Recommended Use Computer -
SOUND QUALITY Poly EncorePro 320, QD JBL Quantum 300
Headphones Form Factor On-ear Full size
Connectivity Technology Wired Wired
Sound Output Mode Stereo Stereo
Frequency Response 50 - 8000 Hz 20 - 20000 Hz JBL Quantum 300 offer a larger frequency range than Poly EncorePro 320, QD.
Max Input Power - 30 mW
Sensitivity - 100 dB
Impedance 32 Ohm 32 Ohm
Max Sound Pressure 118 dB -
Diaphragm 28 mm -
Features - JBL Quantum SURROUND
In-Cord Volume Control Yes -
MICROPHONE Poly EncorePro 320, QD JBL Quantum 300
Form Factor - Detachable headset microphone
Type Boom Boom
Microphone Operation Mode Uni-directional -
Frequency Response - 100 - 10000 Hz
Sensitivity - -40 dB
REMOTE CONTROL Poly EncorePro 320, QD JBL Quantum 300
Controls Mute, volume -
CABLE Poly EncorePro 320, QD JBL Quantum 300
Cable Type Headset cable -
CONNECTIONS Poly EncorePro 320, QD JBL Quantum 300
Connector Type Headset (Quick Disconnect) Headphones (mini-phone stereo 3.5 mm 4-pole)
OTHERS Poly EncorePro 320, QD JBL Quantum 300
Included Accessories - USB adapter
Service & Support - 1-year warranty
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