Dirac Live Bass Control adds smarter bass to NAD M33, M33 V2, M10 V2 and C 658 streaming amps, but it is not free.

We always expect good things to come from AER and yet again the company has delivered the goods. Despite its micro size, the AER Amp One bass combo delivers a versatile and impressive performance.

An interesting rig that does what it was designed to do very well but the player's requirements will dictate whether it is a suitable choice or not. Sounds and feels like it needs an extra gear to ...