FiiO KA3 features both single-ended and balanced headphone output ports. It has a 3.5mm single-ended headphone output and another 4.4mm balanced headphone output. With the balanced 4.4mm headphone output, the KA3 outputs up to 240mW of clean, noise-free power that is more than enough to power demanding earphones with ease. FiiO has tuned the KA3 for a smooth and natural sound. It provides an immersive experience for the users with a detailed and wide sound field. KA3 provides ample power to the connected earphones to bring the best out of them.