Koss UR 23i vs. EPOS I SENNHEISER IMPACT SC 660 TC

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Koss UR 23i and EPOS I SENNHEISER IMPACT SC 660 TC. 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

Koss UR 23i vs. EPOS I SENNHEISER IMPACT SC 660 TC Comparison Chart
DESIGN AND DIMENSIONS Koss UR 23i EPOS I SENNHEISER IMPACT SC 660 TC
Product Type Headphones - wired - 3.5 mm jack Headset - wired - Easy Disconnect
Weight - 113 g
Colour White | Black Black with silver
Earpad Material - Leatherette
Recommended Use Portable electronics -
SOUND QUALITY Koss UR 23i EPOS I SENNHEISER IMPACT SC 660 TC
Headphones Form Factor Full size On-ear
Connectivity Technology Wired Wired
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 50 - 18000 Hz Koss UR 23i offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC.
Sensitivity 94 dB 103 dB EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Koss UR 23i.
Impedance 34 Ohm 200 Ohm
Magnet Material - Neodymium
MICROPHONE Koss UR 23i EPOS I SENNHEISER IMPACT SC 660 TC
Form Factor - Headset microphone
Type On-cable Boom
Frequency Response - 150 - 6800 Hz
CABLE Koss UR 23i EPOS I SENNHEISER IMPACT SC 660 TC
Cable Type Headphones cable - 1.22 m Headset cable - 1 m
CONNECTIONS Koss UR 23i EPOS I SENNHEISER IMPACT SC 660 TC
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) Headset (EasyDisconnect)
OTHERS Koss UR 23i EPOS I SENNHEISER IMPACT SC 660 TC
Included Accessories - Carrying pouch, leatherette ear pads, cable clip
Service & Support Limited warranty - lifetime Limited warranty - 3 years
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