Excellent for this price!!!

The Bluetooth works perfectly. And the sound is amazing.

Ordered on 11/04 morning, received on 12/04 at 2pm. These small speakers are perfect for my use. I use them for my DAW, for my piano whose sound card is dead and it works very well. The sound is quite well balanced and the Bluetooth works very well. To see over time.

I received the BX3D4 BT instead of the BX4D4 BT. I was too quick, I had already installed everything when I realized... So no return possible, too bad! It's the same price anyway. Anyway, the characteristics are very similar, only the dimensions change, allowing better response in the low frequencies (11Hz lower for the BX4, i.e. 69Hz). And honestly, the BX3 are already amazing, so the BX4 can only be better. I have the BX8 at my workplace (which led me to get M-AUDIO at home), and really the response is as flat as it should be. Go!