The Official ACT English Guide

Sennheiser HDB 630 Wireless Over-Ear Headphones - Hi-Res Audiophile Sound, Adaptive Noise Cancellation, Parametric EQ, 60 Hour Battery Life, Includes USB-C Low-Latency Bluetooth Adapter - Black

Sennheiser HD 620S Closed-Back Over-Ear Audiophile Headphones – Natural Spatial Imaging, Low Distortion, Comfortable All-Day Design, Detachable Cable – Ideal for Focused Listening, Gaming, and Desk

Sennheiser MOMENTUM True Wireless 4 Black Copper

Sennheiser MOMENTUM 4 Wireless Noise Cancelling Headphones - Bluetooth Headset for Crystal-Clear Calls, Adaptive Noise Cancellation, Over-Ear Headphones, 60h Battery Life, Folding Design, Black/Copper

Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance, Over-Ear Headphones for PC, Music, Gaming, Podcasts, Premium Black

Sennheiser Consumer Audio IE 200 In-Ear Audiophile Headphones - TrueResponse Transducers for Neutral Sound, Impactful Bass, Detachable Braided Cable with Flexible Ear Hooks - Black

Sennheiser RS 120-W On-Ear Wireless Headphones for Crystal-clear TV Listening with 3 Sound Modes, Lightweight Design, Easy Volume Control, 60 m Range and Convenient Transmitter/Charger Combo - Black

Sennheiser Momentum 4 Wireless Noise Cancelling Headphones - Bluetooth Headset for Crystal-Clear Calls with Adaptive Noise Cancellation, Over-Ear Headphones, 60h Battery Life, Folding Design, Black