[Easily handles low or high impedance headphone]: For a total power output of up to 1.5 W under a 32Ω load, and up to 20Vpp at 300Ω, K5Pro ESS desktop amplifier can easily handles any low or ...
It costs a reasonable $2,795, but you’ll also need to buy an amp if you want to drive a pair of high-impedance headphones.