I have Odyssey Kismet Monos (In Kartango Cases) & they are fabulous. Significantly cheaper than Pass & with somewhat better Specs in Damping Factor & Slew Rate, which are important in Bass & Slam. I do use Sub Woofers, as I am somewhat of a Bass Freek.
Pass is a Class act, but Odyssey Monos will stand up to Pass, check out this review of Kismet Monos ~
https://6moons.com/audioreviews/odyssey2/1.htmlMine are driven by an Assemblage Pre-Amp; both Amps & Pre-amp were purchased used, @ significant savings. Amp SN's are in the 52xx range & may even have better parts than those reviewed in the link above, as Klause of Odyssey is continually improving his products.
When I got the Odyssey Amps, I used my existing 8 Foot Twisted Silver Plated Copper
Cables on my Anthonney Galllo 3.1's
Later, I replaced these with 3 Foot, 20 Gauge,
5 Strands ,Twisted Pure Silver Wire
with Teflon shielding (wound myself from wire of which I had bought some 30 Years ago). WoW did the HIGH Frequency Response Jump out!
Yes, a big advantage of Mono's comes from using Much Shorter Speaker Wires!
Best of Sound as you continue your quest for Audio Perfection.