Sennheiser

Skullcandy

Momentum True Wireless 4

Rail® ANC True Wireless Earbuds

Wireless Headphone Specification

Wireless Headphone Specification

In Ear Canal

In Ear

Dynamic

Dynamic

7 mm

12 mm

16 Ohms

32±15% ohms

107 dB SPL

97dB ± 3dB

5Hz - 21KHz

20Hz - 20KHz

10 mW

5 V 2A

Hybrid Adaptive Active Noise Cancelling

Active Noise Cancelling

Bluetooth

Bluetooth

5.4

5.2

All Bluetooth Devices

All Bluetooth Devices

SBC, AAC, aptXâ„¢, aptXâ„¢ Adaptive/Lossless, LC3

AAC

Lithium-Ion Batteries

Lithium-Ion Batteries

10 Meters

10 Meters

30 Hours

38 Hours

1.5 Hours

1.5 Hours

Black, White, Brown, Gold, Silver

Black, White

NA

NA

USB Type-C Charging Cable

USB Type-C Charging Cable

66.4 GM

49.8 GM

Designed For All-Day Comfort : With a secure fit and extra soft silicone ear tips, you can enjoy long listening sessions.
Adaptive Noise Cancellation : Automatically adjusts noise cancellation to surroundings, providing an immersive listening experience.
Lossless Audio : Guarantees flawless bit-by-bit transmission of audio, maintaining uncompromised sound quality during wireless listening.
Never Slow Down : Enjoy up to 30 hours of uninterrupted listening pleasure and quick charge for an hour's play time in as little as 8 minutes.
Future-Proof Technologies : Step into the future with Auracast™ support and LE Audio* and enjoy the latest codecs with Bluetooth® 5.4 compatibility.
Reclaim Control Of The Sound Around You : Isolate outside noise with optimized adaptive ANC and Anti-Wind Mode, and easily switch to low-noise Transparency Mode for comfortable awareness.
Embrace The Future : Stay ahead with LE Audio & Auracast* that are revolutionizing audio streaming, as well as with smart features like customizable touch control and multipoint connectivity.
Immerse Yourself In Exceptional sound : Sennheiser's TrueResponse transducer system and lossless audio technology deliver best-in-class audio quality for an exceptionally detailed listening experience.
Sennheiser signature sound: Delivers exceptional sound fidelity, ensuring every detail and emotion is heard just as the artist intended thanks to our True Response transducer system which delivers a high-end sound experience with impactful bass and a refined treble response.

Wireless Charging Case.
Personal Sound by Mimi®.
IPX4 Sweat & Water Resistant.
Skull-iQ Smart Feature Technology®.
38 Hours Total Battery + Rapid Charge.
Adjustable 4-Mic Active Noise Canceling.
Multipoint Pairing lets you connect your earbuds to two devices simultaneously — Rail ANC will switch between devices seamlessly without the need to re-pair.
Mega Noise Cancelling - The Rail ANC listens to the outside noise to actively mute the world around you. You can also adjust the noise cancellation level between mute, hearing and between.
Skull-iQ integration allowing you to customize your sound and control your earbuds. With the app, you can adjust the EQ settings, track battery life, and activate Tile, which helps you locate your lost earbuds.
Latest Sound Tech - The Rail ANC is Skullcandy's latest premium earbuds featuring our best driver yet with deep bass and a huge dynamic range. Plus, Personal Sound lets you tune the sound to your unique hearing through the Skull-iQ App.
27 Hours Battery - With an incredible 27 hours of battery to keep your Rail ANC powered. The earbuds hold 7 hours and the charging case holds 20 hours with ANC on. Plus, using rapid charge, the first 10 minutes of your charge will give you 2 hours of play.