MOMENTUM Free

Sennheiser’s MOMENTUM Free liberates your listening experience. Its luxurious, ergonomic design offers all day listening enjoyment with leading edge wireless connectivity. With effortless elegance, its clever magnetic earpieces even link together to be worn around the neck when not in use. The high quality dynamic speaker system creates an impressive sound stage with a powerful bass response and detailed vocals. Bluetooth 4.2, AAC codec support and Qualcomm® apt-X™ Low Latency support ensure crystal clear wireless transmission, so you can experience the signature MOMENTUM sound, cable free and in an ultra compact headphone. Low latency performance also ensures brilliant synchronization of audio for enjoying TV and video. Use with mobile devices is effortless, thanks to an integrated three-button remote and microphone for controlling phone calls and music, multi-connection with up to 2 devices at once and 3-way calling support. Further convenience is ensured by intuitive voice prompts. The six-hour battery can be charged via the supplied USB cable.
As with all MOMENTUM headphones, it has been crafted from premium materials to ensure superior comfort, timeless style and lasting durability and is supplied with a luxurious leather case.

Wearing style	Neckband
Microphone	Type: MEMS
Bluetooth Version	4.2
Supported Profiles	A2DP 1.2
Supported Profiles	AVRCP 1.4
Supported Profiles	HSP 1.2
Supported Profiles	HFP 1.6 - HD Voice
Supported Profiles	(Or higher)
Frequency response	15Hz - 22000Hz
Max. sound pressure level	118dB (Passive: 1kHz/ 1Vrms) > Active
THD, total harmonic distortion	<0.5%
Ear coupling	In Ear
Transducer principle	Dynamic (SYS10)
Weight	< 40g
Audio input	Bluetooth
Range	up to 10 meters
Min. terminating impedance	28 Ohm (Passive)
Min. terminating impedance	480 Ohm (Active)
Operating voltage (mains)	3.0-4.2V
Sensitivity as per 121 TR 9-5	- 44 dB V/Pa
Sensitivity as per 121 TR 9-5	Sending Loudness Rating (SLR)
Sensitivity as per 121 TR 9-5	Wideband: 10dB +/- 5dB
Sensitivity as per 121 TR 9-5	Narrowband: 8dB +/- 5dB
Battery Specification	Built-in Rechargeable Lithium-ion Polymer (~85mAh) with more than 500 charges
Codecs	apt-X ® / apt-X ® LL /AAC/SBC
Personal fit	XS, S, M, L (4 sets)
Voltage	3.7V Nominal
Connection	2 device simultaneously (HFP/A2DP)
Connection	8 device in pairing list
Charging Current	3.0-4.2V