The Parasound Halo P5 is a 2.1-channel preamplifier/DAC with features like USB/coax/optical inputs, built-in MM/MC phono stage, multiple line inputs, tone controls, and a home theater bypass. It allows for subwoofer integration via variable high-pass/low-pass filters, and offers a very flexible front end for both stereo and AV systems.
The Parasound Halo A21 is a stereo power amplifier known for its rugged build, solid power output, and clean performance. Typical specs include about 250 watts per channel into 8Ω in stereo, strong performance into lower impedances, and a design that emphasizes musical detail with minimal distortion.
Together, the P5 + A21 pairing is often praised for delivering great synergy — the P5 giving versatile signal input/control and the A21 driving speakers with authority and clarity. Many users say this combo gives very good value for the performance.
Great Write up in Stereophile
