Poly - Plantronics Backbeat FIT 505 vs. EPOS I SENNHEISER ADAPT 135 USB II

Headphones Comparison, Reviews and Tests

In depth comparison and review of Poly - Plantronics Backbeat FIT 505 and EPOS I SENNHEISER ADAPT 135 USB II. 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 - Plantronics Backbeat FIT 505 vs. EPOS I SENNHEISER ADAPT 135 USB II Comparison Chart
DESIGN AND DIMENSIONS Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Product Type Headphones - Bluetooth - wireless Headset - wired - USB, 3.5 mm jack
Series - ADAPT 100 Series
Height 6.726 cm -
Width 14.877 cm -
Depth 17.155 cm -
Weight 155 g 145.3 g EPOS I SENNHEISER ADAPT 135 USB II are lighter than Poly - Plantronics Backbeat FIT 505 headphones.
Colour Black Black
Earpad Material Memory foam Leatherette
Headband Material Memory foam -
Protection Moisture-resistant, sweat-resistant -
Recommended Use Portable electronics Portable electronics, computer
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Headphones Form Factor On-ear On-ear
Headphones Technology - Dynamic
Connectivity Technology Wireless Wired
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
Sound Effects - EPOS Voice
Frequency Response 50 - 20000 Hz 20 - 20000 Hz EPOS I SENNHEISER ADAPT 135 USB II offer a larger frequency range than Poly - Plantronics Backbeat FIT 505.
Total Harmonic Distortion (THD) <3% -
Impedance 32 Ohm -
Max Sound Pressure - 115 dB
Diaphragm 40 mm -
Magnet Material - Neodymium
In-Cord Volume Control - Yes
MICROPHONE Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Form Factor Built-in -
Type - Boom
Microphone Operation Mode - Mono
Noise Cancelling - Yes EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise.
Frequency Response - 100 - 8000 Hz
REMOTE CONTROL Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Controls Answer/end, play/pause, next/previous track Volume, answer/end
CABLE Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Cable Type Micro-USB charge cable
Audio cable
Headset cable
FEATURES Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Features - EPOS ActiveGard
BATTERY AND CHARGING Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Battery Type Headphone battery rechargeable -
Battery Life 18 hour(s) -
Standby Time 480 hours -
Charging Time 1.5 hour(s) -
WIRELESS LINK Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Transmission Range 10 m -
CONNECTIONS Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Connector Type - Headset (USB Type-A)
Headset (mini-phone 3.5mm)
OTHERS Poly - Plantronics Backbeat FIT 505 EPOS I SENNHEISER ADAPT 135 USB II
Software Certification - Optimised for UC
Service & Support - Limited warranty - 2 years
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