Here is what Darkglass Electronics say about the The Darkglass Microtubes M500 Series DG112A: “The M500 series introduces the DG210A and DG112A, two exceptional bass combo amplifiers that redefine versatility and power. With a robust 500 Watts of pure analogue output, these combos are crafted for bassists who demand pristine bass tones delivered with precision. Select from two dynamic speaker configurations: the impactful 1x12 or the vibrant 2x10, both featuring Eminence ceramic speakers. These combos are powered by a high-efficiency class D ICEpower module, ensuring that your sound is always clear and powerful, whether on stage, in the studio, or at home.Designed with the modern musician in mind, the M500 combos are not just powerful—they are portable. Ideal for a variety of settings, from live performances to home practice, these combos are built for those who value flexibility and portability without compromising on sound quality..”