We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

JBL Synchros E40BT vs Sennheiser RS 120-8

    JBL Synchros E40BT Headphones
    JBL Synchros E40BT
      3.35 in
      5.24 in
      Sennheiser RS 120-8 Headphones
      Sennheiser RS 120-8
      Available colors
      Editiorial reviews
      2
      2 editorial reviews
      JBL's lower-end foray into Bluetooth headphones delivers stellar resultsRead more
      JBL's newest Bluetooth over-the-ear headphones offer wireless comfort in an office or commuter environment.Read more
      Read editorial reviews
      4
      4 editorial reviews
      Sennheiser's affordable, comfortable wireless headphones sound almost as good as corded 'phones.Read more
      Sennheiser RS 120 Headset Review: is one of the few products that one cannot attribute to the epithet of mediocre sound standardsRead more
      Read more
      Read editorial reviews
      User rating
      41
      4.0 out of 5
      41 user ratings
      5 stars
      		34 %
      4 stars
      		36 %
      3 stars
      		29 %
      2 stars
      		0 %
      1 stars
      		0 %
      5
      4.2 out of 5
      5 user ratings
      5 stars
      		20 %
      4 stars
      		80 %
      3 stars
      		0 %
      2 stars
      		0 %
      1 stars
      		0 %

      Full Comparison

      Units:

      Technical details

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      Sound outputStereoStereo
      StyleOver-EarOn-Ear
      Connectivity technologyWirelessWireless
      Headset (integrated/enclosed microphone)yesno

      Design

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      Colour of product
      • Black
      • Blue
      • Purple
      • Red
      • White
      • Black
      • Grey
      Acoustic designClosedOpen
      Attachment typeHeadbandHeadband

      Dimensions

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      Weight7.23 oz8.11 oz

      Sound

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      Sensitivity< 114< 106
      Frequency range20 - 2200022 - 19500

      Connectivity

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      Wireless connectionBluetooth
      Radio

      Features

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      ButtonsVolumeVolume
      FM radioyesyes

      Power

      JBL Synchros E40BTJBL Synchros E40BT
      Sennheiser RS 120-8Sennheiser RS 120-8
      Battery operatedyesyes
      Battery technology
      Lithium Polymer
      Nickel-Metal Hydride
      Battery life16.0 h25.0 h
      Talk time24.0 h25.0 h

      Pros & Cons

      Pros
          Cons