The M1's technical performance is, pretty well, as good as any at any price. We know this sounds like an incredible claim but it's true. Musical Fidelity's state-of-the-art circuit design and pcb layout with the use of top quality digital components gives state-of-the-art performance. There's no secret or mystery about this. We use top quality digital components in carefully designed circuit configurations which are subtly implemented on brilliant pcb layouts. Unsurprisingly the result is state-of-the-art performance. It's just that the price is competitive so many people find it hard to believe.
The M1 DAC has vanishingly low distortion, typically less than 0.005% across the band. Frequency response is ruler flat. Jitter is extremely low. The noise ratio is outstanding, one of the quietest DACs in the world regardless of price. Looking at the M1 DAC's total measurements and comparing them to any DAC up to ten times its price you will see that, on balance, the M1 DAC is equal to or better than any.
The M1 DAC has a high quality power supply. Interestingly it has choke filtration on the mains input. This, effectively, is a mains signal conditioner which increases the performance and value of the M1 to even greater heights.