In depth comparison and review of Koss UR 23i and Poly - Plantronics Backbeat FIT 505. 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.
DESIGN AND DIMENSIONS | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
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Height | - | 6.726 cm | |
Width | - | 14.877 cm | |
Depth | - | 17.155 cm | |
Weight | - | 155 g | |
Colour | White | Black | Black | |
Earpad Material | - | Memory foam | |
Headband Material | - | Memory foam | |
Protection | - | Moisture-resistant, sweat-resistant | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | - | 10 m |
SOUND QUALITY | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Headphones Form Factor | Full size | On-ear | |
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Connectivity Technology | Wired | Wireless | |
Wireless Technology | - | Bluetooth | |
Bluetooth Version | - | Bluetooth 4.1 | |
Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 20 - 20000 Hz | 50 - 20000 Hz | Koss UR 23i offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
Total Harmonic Distortion (THD) | - | <3% | |
Sensitivity | 94 dB | - | |
Impedance | 34 Ohm | 32 Ohm | |
Diaphragm | - | 40 mm |
MICROPHONE | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Form Factor | - | Built-in | |
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Type | On-cable | - |
REMOTE CONTROL | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Controls | - | Answer/end, play/pause, next/previous track |
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CABLE | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Cable Type | Headphones cable - 1.22 m | Micro-USB charge cable Audio cable |
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BATTERY AND CHARGING | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Battery Type | - | Headphone battery rechargeable | |
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Battery Life | - | 18 hour(s) | |
Standby Time | - | 480 hours | |
Charging Time | - | 1.5 hour(s) |
WIRELESS LINK | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Transmission Range | - | 10 m |
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CONNECTIONS | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
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OTHERS | Koss UR 23i | Poly - Plantronics Backbeat FIT 505 |
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Service & Support | Limited warranty - lifetime | - |
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