Sennheiser at Audio46
Sennheiser MOMENTUM True Wireless (Open box)
BLUETOOTH in-ear HEADPHONE
true wireless
with mic
studio/professional
sports/fitness
Product SKU: M3IETW BLACK (OB)

Out of Stock
Currently unavailable to ship. See our form to sign-up to be notified when it's back in stock!
Extended Holiday Returns
Sometimes it's not meant to be. Returns period extended to Jan 15, 2024.
Authorized U.S. Dealer
Having issues after 30 days? Comes with Sennheiser's 2 year limited warranty
This item is not eligible for promotional codes. You may still redeem Audio46 Rewards.
Product Details
↓ Details provided by Sennheiser ↓
Two Year Warranty— Free expedited shipping
Sennheiser MOMENTUM True Wireless
We are pleased to introduce a new member of the MOMENTUM family – now truly wireless. Sennheiser’s exquisite MOMENTUM True Wireless headphones set a new benchmark for audio, comfort and craftsmanship.
A new dimension in wearable sound
Uncompromised sound performance, state-of-the-art technology and refined design all come together in Sennheiser’s True Wireless premium earbuds.
Experience long lasting comfort.
Comfortably carry your music with you all day. These lightweight, sweat & splash resistant ear adapter come in 4 different ear tip sizes, ergonomically designed for the perfect fit. Just connect them and use the intuitive touch interface to control your music, answer phone calls or access your voice assistant with a single tap or swipe.
Crafted for timeless elegance.
Attention to detail and a strong sense of aesthetic make these small, shiny, lightweight earbuds one part listening instrument, one part ready-to-wear accessory. With premium black housing, polished metallic spin ring and gold-plated charging pins, function meets fashion in iconic design. A handy and compact charging case allows you to extend 4 hours of battery life to 12, so you can enjoy all day use, for years to come.
Personalize your experience
Listen to your music the way you want with Sennheiser Smart Control, the next generation companion app. This free dedicated app for iOS and Android provides an effortless way to control, personalize, update and configure your headphone, headset or soundbar.
Technical Data
7 mm driver units include Bluetooth 5.0 compliant, class 1, THD, total harmonic distortion<0,08% (1kHz / 94dB), Pick-up pattern2 mic beamforming, Built-in Lithium-Polymer rechargeable battery, 5 V, 500 mA: USB charging via, USB-C socket at charging case, IPX4, splash resistant (earbuds only).
Type | Fully Wireless Earbud |
Driver Diameter | 7 mm |
Frequency Response | 5 Hz to 21 kHz 100 Hz to 10 kHz |
Bluetooth Version | Bluetooth 5.0 compliant, class 1 |
Sensitivity | 107 dB SPL (1 kHz / 1 mW) |
Impedance | 48 ohms |
Weight | 69.8 g (earbuds and charging case), 13.2 g (both earbuds), 56.6 g (charging case) |
Microphone sensitivity | 94 dB SPL at 1 kHz |
Power Supply | 5 V, 500 mA: USB charging via, USB-C socket at charging case |
Charge Time|Battery Time | Approx. 1.5 hrs.
Up to 4 hrs (A2DP) with rechargeable batteries of the earbuds, Up to 12 hrs with rechargeable battery of the charging case |
Open Boxes at Audio46
Save big on the gear you need with Audio46's open boxes!
Get great discounts on preowned equipment that's just as good as brand new
- "What is the condition?" It's going to be like-new with no signs of wear unless the title mentions otherwise
- "Does it have any issues?" We never list products that have any compromise on their ability to function on par with a brand new item
- "Were repairs done on it?" We don't do repairs at our store; we send lemons back to the manufacturer
- "What is its history?" Open Box units could be: a customer return, a review unit, or store demo that has less than 5 hours of use
Our expert team tests and verifies every item to ensure it meets or exceeds your expectations, and with free shipping, no restocking fees, and 30 day returns, purchasing open box audio gear from us is a risk-free way to save. Try Audio46 today and experience the difference.