The Cu 4.2 delivers stunning 2-channel clarity with ARC’s exclusive ULF and TTB technologies. With crossover bypass, full bridging, and unmatched transparency, it’s perfect for bi-amped drivers, stereo separation, or subwoofer duty. Paired with a Pro-Series DSP, it unlocks world-class performance for the most discerning audiophile installations.

The Cu 4.4 is ARC Audio’s 4-channel reference amplifier, built for flexible system design with precise, transparent sound. Run it in 4-, 3-, or 2-channel mode. With ULF, TTB, bypass switching, and advanced internal cooling, it delivers elite-level performance — whether for daily listening or competition-grade audio builds.

The Cu 6.2 is a 2-channel reference amplifier built for stereo, midbass, or bridged subwoofer use. With ULF, TTB, and M.I.S.T. technology inside, plus bypass switching and active cooling, it delivers clean, high-output performance for demanding systems — all with the signature transparency of ARC Audio’s Copper Series.