I have Bose products and have been using them in concert since the 1980's. I currently own a Bose L1 Mod 2 and an F1, as well as two of these S1s. Bose hit a massive home run with this product. The sound is amazing; Bose clear and crisp With a bottom end. Produces a lot of sound for small to medium-sized rooms. I ran them on battery power on reserve power for at least 4 hours. Last week I was practicing in my studio with a friend, 2 electric guitars, 2 voices, a drum machine and was surprised to find that the F1 I thought was paired with the S1 was MUTE. LOTS of sound volume and a clean and crisp response. One of them is really amazing. Two of them are awesome! The best sound I've come across and they fit easily in my 2 seater sports car with all the other gear.
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