Luxman 505UXII has both HT Bypass and 2 Speakers Selector. Pretty sure the higher models do also.
Integrated Amp Suggestions
Looking to buy a new integrated amp. Needs to have home theater bypass and also ability to connect 2 pairs of speakers A/B. Rotel Ra1592 Mkii and Musical Fidelity M6si 500 are on list so far. Suggestions