EPOS I SENNHEISER IMPACT SC 660 TC vs. Poly EncorePro 320, USB-C

Headphones Comparison, Reviews and Tests

Side by side comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly EncorePro 320, USB-C. 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.

Headphones Specifications Comparison

EPOS I SENNHEISER IMPACT SC 660 TC vs. Poly EncorePro 320, USB-C Comparison Chart
DESIGN AND DIMENSIONS EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Product Type Headset - wired - Easy Disconnect Headset - wired - USB-C
Series - 300 Series
Weight 113 g -
Colour Black with silver -
Earpad Material Leatherette -
Recommended Use - Computer
SOUND QUALITY EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Headphones Form Factor On-ear On-ear
Connectivity Technology Wired Wired
Sound Output Mode Stereo Stereo
Frequency Response 50 - 18000 Hz 50 - 8000 Hz EPOS I SENNHEISER IMPACT SC 660 TC offer a larger frequency range than Poly EncorePro 320, USB-C.
Sensitivity 103 dB -
Impedance 200 Ohm 32 Ohm
Max Sound Pressure - 118 dB
Diaphragm - 28 mm
Magnet Material Neodymium -
In-Cord Volume Control - Yes
MICROPHONE EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Form Factor Headset microphone -
Type Boom Boom
Microphone Operation Mode - Uni-directional
Frequency Response 150 - 6800 Hz -
REMOTE CONTROL EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Controls - Mute, volume
CABLE EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Cable Type Headset cable - 1 m Headset cable
CONNECTIONS EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Connector Type Headset (EasyDisconnect) Headset (24 pin USB-C)
OTHERS EPOS I SENNHEISER IMPACT SC 660 TC Poly EncorePro 320, USB-C
Included Accessories Carrying pouch, leatherette ear pads, cable clip -
Service & Support Limited warranty - 3 years -
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