Koss UR 23i vs. Soundcore Space Q45

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Koss UR 23i and Soundcore Space Q45. 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. Soundcore Space Q45 Comparison Chart
DESIGN AND DIMENSIONS Koss UR 23i Soundcore Space Q45
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless - 3.5 mm jack
Height - 19 cm
Width - 16.1 cm
Depth - 8.8 cm
Weight - 292 g
Colour White | Black Black
Body Material - PC/ABS
Recommended Use Portable electronics -
Bluetooth Range (Operating Distance) - 15 m
High-Resolution Audio - Yes
SOUND QUALITY Koss UR 23i Soundcore Space Q45
Headphones Form Factor Full size Full size
Adjustable Headband - Yes
Foldable - Yes Soundcore Space Q45 can be folded.
Connectivity Technology Wired Wireless
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), Leadership Development and Advisory Council (LDAC)
Bluetooth Audio Codec - SBC, AAC, LDAC
Active Noise Cancelling - Yes Soundcore Space Q45 are equipped with active noice cancellation.
Active Noise Cancelling Technology - Adaptive Active Noise Cancellation
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Total Harmonic Distortion (THD) - 3%
Sensitivity 94 dB -
Impedance 34 Ohm 16 Ohm
Max Sound Pressure - 93 dB
Diaphragm - 40 mm
Magnet Material - Ceramic
MICROPHONE Koss UR 23i Soundcore Space Q45
Form Factor - Built-in
Type On-cable -
Frequency Response - 20 - 8000 Hz
Sensitivity - -36 dB
Signal-To-Noise Ratio - 65 dB
Microphones Included - 2
REMOTE CONTROL Koss UR 23i Soundcore Space Q45
Controls - Volume, play/pause, next/previous track, call
CABLE Koss UR 23i Soundcore Space Q45
Cable Type Headphones cable - 1.22 m USB-C charge cable - detachable - 60 cm
Audio cable - detachable - 60 cm
FEATURES Koss UR 23i Soundcore Space Q45
Features - Fast charge, Multipoint Pairing, LED indicator
BATTERY AND CHARGING Koss UR 23i Soundcore Space Q45
Battery Type - Headphone battery lithium polymer
Battery Capacity - 750 mAh
Battery Life - 65 hour(s)
Battery Life Details - Continuous playback (noise cancelling ON): up to 50 hours
Continuous playback (noise cancelling OFF): up to 65 hours
Continuous playback (with 5 min charge): up to 4 hours
Charging Time - 2 hour(s)
CONNECTIONS Koss UR 23i Soundcore Space Q45
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) -
OTHERS Koss UR 23i Soundcore Space Q45
Included Accessories - Carrying case, audio cable, USB-C charging cable
Compliant Standards - SGS
Service & Support Limited warranty - lifetime Limited warranty - 2 years
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