Poly Blackwire 3325 vs. EPOS I SENNHEISER ADAPT 135T USB-C II

Headphones Comparison, Reviews and Tests

In depth comparison and review of Poly Blackwire 3325 and EPOS I SENNHEISER ADAPT 135T USB-C 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 Blackwire 3325 vs. EPOS I SENNHEISER ADAPT 135T USB-C II Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Product Type Headset - wired - USB, 3.5 mm jack Headset - wired - 3.5 mm jack, USB-C
Series 3300 Series ADAPT 100 Series
Height 18.6 cm -
Width 21.6 cm -
Depth 5.6 cm -
Weight 130 g 145.3 g Poly Blackwire 3325 are lighter than Poly Blackwire 3325 headphones.
Colour - Black
Earpad Material Leatherette Leatherette
Protection Hearing protection -
Recommended Use - Portable electronics, computer
SOUND QUALITY Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Headphones Form Factor On-ear On-ear
Headphones Technology - Dynamic
Adjustable Headband Yes -
Connectivity Technology Wired Wired
Sound Output Mode Stereo Stereo
Sound Effects - EPOS Voice
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Sensitivity 94 dB -
Impedance 32 Ohm -
Max Sound Pressure - 115 dB
Diaphragm 32 mm -
Magnet Material - Neodymium
Features SoundGuard Technology -
In-Cord Volume Control Yes Yes
MICROPHONE Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Type Boom Boom
Microphone Operation Mode - Mono
Noise Cancelling Yes Yes The microphones on both headphones can cancel out ambient noise.
Frequency Response 100 - 10000 Hz 100 - 8000 Hz Poly Blackwire 3325 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135T USB-C II.
Sensitivity -38 dB -
REMOTE CONTROL Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Controls Mute, volume, answer/end Volume, answer/end
CABLE Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Cable Type Headset cable Headset cable
FEATURES Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Features - EPOS ActiveGard
CONNECTIONS Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Connector Type USB (4 PIN USB Type A)
Headset (mini-phone 3.5mm)
Headset (USB Type-C)
Headset (mini-phone 3.5mm)
OTHERS Poly Blackwire 3325 EPOS I SENNHEISER ADAPT 135T USB-C II
Included Accessories Carrying pouch -
Software Certification Certified for Microsoft Teams Certified for Microsoft Teams, Optimised for UC
Service & Support Limited warranty - 2 years Limited warranty - 2 years
Other Comparisons with Poly Blackwire 3325
Other Comparisons with EPOS I SENNHEISER ADAPT 135T USB-C II
Other Popular Headphones Comparisons
Other projects: