Sennheiser

JBL

MM 450-X

Live 670NC

Wireless Headphone Specification

Wireless Headphone Specification

On Ear

On Ear

Neodymium

Dynamic

NA

40 mm

32 Ohms

32 Ohms

107 dB/mW

98dB SPL@ 1kHz 1mW

15 Hz - 22000 Hz

20 Hz - 20KHz, AUX Mode : 20 Hz ~ 40KHz

NA

5V 1A

Yes

True Adaptive Noise Cancelling

Bluetooth

Bluetooth

Bluetooth® 2.1 + ED

5.3

A2DP + AVRCP + HSP + HFP

All Bluetooth Devices

SBC

AAC, SBC

Rechargeable battery

Lithium-Ion Batteries

10 m

10 Meters

10 Hrs with Noiseguard Talktime
20 Hrs without Noiseguard

65 Hours

3 Hrs

<3 Hours

Black

Black, White, Blue, Gold

3.5 mm Gold Plated Jack

3.5 mm Jack

NA

USB Type-C Charging Cable

105 g

219 GM

- NoiseGard 2.0™** – advanced Sennheiser active noise cancellation lets you enjoy music in peace
- TalkThrough external microphone – so you can talk to fellow passengers without removing the headset
- Wireless freedom – Bluetooth® 2.1 guarantees hands-free convenience without wires, and the advanced A2DP profile for Stereo Bluetooth® delivers optimized hi-fi stereo sound
- CD-quality audio – the headset can connect wirelessly to any Bluetooth® apt-X®-enabled device
- Direct cable option – for use on airplanes with the supplied airline adapter
- Easy headset controls – in one intuitive cluster on the ear cup
- Sennheiser sound quality – hi-fi headphone drivers ensure superior dynamic range, detail and excellent bass
- Wearing comfort – padded ear-cushions provide an excellent soft fit, even on long trips
- Foldable – folds into a compact bundle for travel and storage
- Flexible – replace the battery with a spare on long trips, or recharge it via the US

JBL Signature Sound and surround sound.
Up To 50 hours of Battery Life with ANC ON.
Up To 65 hours of Battery Life with ANC OFF.
Auto Play & Pause : Take the headphones off, the music stops. Put it back on, the music starts again. It genuinely couldn't be simpler.
JBL Signature Sound & Surround Sound : Along with powerful JBL Signature Sound, the 40mm drivers offer immersive JBL Spatial Sound that turns any stereo content from any device into virtual surround sound.
Up To 65 Hours* Of Battery Life & Speed Charge : Listen wirelessly for up to 50 hours and recharge the battery in as little as 2 hours with the convenient Type-C USB cable. In a hurry? A quick 5 min charge gives you 4 hours of music. *BT on/ANC off
True Adaptive Noise Cancelling With Smart Ambient : With four noise-sensing mics, True Adaptive Noise Cancelling means zero distractions whether you’re focusing on studying or getting lost in the music. Or turn on Smart Ambient to hear your surroundings.
Bluetooth 5.3 With LE Audio Supported* : Wirelessly stream high-quality sound even at lower bit rates with Bluetooth 5.3. Audio Mode gives the best available sound while Video Mode ensures the sound and visuals are always in sync. *Available via OTA update.
Personi-Fi 2.0 : The My JBL Headphones app personalizes your sound experience just for you. Just take the quick and easy hearing test and it automatically sets up a custom sound profile that’s ready to go every time you put on your headband. That’s it.