JBL Quantum 400 vs. EPOS I SENNHEISER ADAPT 135T USB-C II

Headphones Comparison, Reviews and Tests

In depth comparison and review of JBL Quantum 400 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

JBL Quantum 400 vs. EPOS I SENNHEISER ADAPT 135T USB-C II Comparison Chart
DESIGN AND DIMENSIONS JBL Quantum 400 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 - ADAPT 100 Series
Weight 274 g 145.3 g EPOS I SENNHEISER ADAPT 135T USB-C II are lighter than JBL Quantum 400 headphones.
Colour Black Black
Earpad Material Memory foam Leatherette
Recommended Use - Portable electronics, computer
SOUND QUALITY JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Headphones Form Factor Full size On-ear
Headphones Technology - Dynamic
Connectivity Technology Wired Wired
Sound Output Mode Stereo Stereo
Built-in Decoders DTS -
Sound Effects - EPOS Voice
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Max Input Power 30 mW -
Sensitivity 98 dB -
Impedance 32 Ohm -
Max Sound Pressure - 115 dB
Magnet Material - Neodymium
Features JBL Quantum SURROUND -
In-Cord Volume Control - Yes
MICROPHONE JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Form Factor Detachable headset microphone -
Type Boom Boom
Microphone Operation Mode - Mono
Noise Cancelling - Yes EPOS I SENNHEISER ADAPT 135T USB-C II microphone can cancel out ambient noise.
Frequency Response 10 - 10000 Hz 100 - 8000 Hz JBL Quantum 400 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135T USB-C II.
Sensitivity -40 dB -
REMOTE CONTROL JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Controls - Volume, answer/end
CABLE JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Cable Type - Headset cable
FEATURES JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Features - EPOS ActiveGard
CONNECTIONS JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) Headset (USB Type-C)
Headset (mini-phone 3.5mm)
OTHERS JBL Quantum 400 EPOS I SENNHEISER ADAPT 135T USB-C II
Software Included JBL Quantum Engine -
Software Certification - Certified for Microsoft Teams, Optimised for UC
Service & Support 1-year warranty Limited warranty - 2 years
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