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180W × 5 into 8 Ω (all channels driven) • High-bias Class A/AB topology by John Curl • Fully discrete, direct-coupled signal path • XLR + RCA inputs • 12V trigger and audio-sense auto-on
The Parasound Halo A52+ Five Channel Power Amplifier is a reference-grade multichannel amplifier engineered to bring high-current control, low-noise resolution, and true all-channels-driven power to premium home theater and music systems. Designed by John Curl and built around a high-bias Class A/AB architecture, it combines effortless dynamic headroom with refined, tightly controlled playback—ideal for demanding speakers and modern processors/AVRs with pre-outs.
System note: Pair with a high-quality surround processor or AVR with pre-outs to unlock a substantial improvement in control, clarity, and transient authority across all channels.
High-bias Class A/AB topology — designed to deliver the finesse of Class A behavior at lower levels with the efficiency and power reserves required for cinematic dynamics.
Fully discrete, direct-coupled signal path — engineered to preserve detail and reduce coloration, with protection and servo strategies designed to maintain stability under real speaker loads.
Serious power supply architecture — a large encapsulated toroidal transformer and substantial reserve capacitance provide clean current delivery for five channels simultaneously.
Connectivity for advanced systems — balanced XLR and RCA inputs allow optimal gain staging and noise performance with premium processors and long cable runs.
For high-performance surround or multi-zone audio where every channel must remain composed, the Parasound Halo A52+ Five Channel Power Amplifier delivers controlled power with premium refinement.
Yes—as long as your AVR provides preamp outputs (pre-outs) for the channels you want to power. Connect the AVR’s pre-outs to the A52+ inputs and let the A52+ handle amplification.
It is rated at 180 watts RMS × 5 into 8 Ω and 255 watts RMS × 5 into 4 Ω with all channels driven.
Use XLR when your processor supports balanced outputs—especially for longer cable runs or noise-sensitive racks. RCA is ideal for shorter runs and broad compatibility.
It supports both 12V trigger control and audio-sense auto-on, making it easy to integrate into home theater and custom-install power sequencing.
Yes. High current capability and strong damping help maintain control with difficult loads and dynamic movie content, provided ventilation and installation best practices are followed.
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