We knew the JVC RV-NB10 and were thrilled by this unit. Unfortunately, there was this no longer on sale on the open market and eBay prices for used equipment jumped from 200.00 upwards. The successor NB50 received bad reviews regarding the lack of audio-in ports, sound and cheaper plastic bracket on the strap. This prevented our purchase. Now came the NB70 and we were brave to buy us without any review about this but very expensive device. And ... it was worth it. From day one, I do not want to give it ago. All criticisms of NB50 have been revised from JVC. The connections (guitar, microphone, audio In) are complete again and evaluate the unit properly on. A USB port allows you to connect all devices (also like an MP3 player). The sound is like the prototype NB10 and leaves the next garden parties are a real bash. The strap holds by a special strap system formally "self", so no carbine. All in all a great part and I can only advise to spend the few euros more to get hold of an ingenious device for any occasion. So be quick before it is again time to buy no more ;-)) Unthinkable, but came when JVC ago already!