Parasound HALO A52+ Five Channel Power Amp

Parasound HALO A52+ Five Channel Power Amplifier

The Parasound HALO A52+ Power Amplifier delivers exceptional five-channel power and musical refinement for home theaters and multi-channel audio systems.

The Parasound HALO A52+ is designed by acclaimed engineer John Curl, featuring a high-bias Class A/AB topology that combines Class A warmth with Class AB dynamic efficiency. Delivering 180 watts per channel into 8 ohms and 255 watts per channel into 4 ohms with all five channels driven, the Parasound HALO A52+ provides immense power and precision for demanding full-range speakers or immersive cinema setups.

A massive 1.5 kVA toroidal transformer with 100,000 µF of filter capacitance ensures clean, high-current delivery to all five channels. The fully discrete circuitry, direct-coupled signal path, and ultra-low distortion result in transparent, dynamic sound across the frequency spectrum.

The Parasound HALO A52+ includes balanced XLR and unbalanced RCA inputs, adjustable gain for each channel, and both 12V trigger and audio-sense auto-on capabilities. With fanless operation and a sleek chassis, it integrates seamlessly into high-end racks or living-room systems while maintaining silent performance.

This amplifier is engineered for long-term reliability, providing the build quality, sonic precision, and headroom expected from Parasound’s HALO line.

In Stock. For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team. All Elite Audio is an authorized Maryland dealer and operates a full home audio showroom.

Key Specifications
Power Output (All Channels Driven): 180 W × 5 @ 8 ohms
Power Output (All Channels Driven): 255 W × 5 @ 4 ohms
Amplifier Class: High-bias Class A/AB
Frequency Response: 5 Hz – 100 kHz (+0 / -3 dB)
THD: < 0.05% at full power
Signal-to-Noise Ratio: > 112 dB (A-weighted)
Damping Factor: > 1100 @ 20 Hz
Current Capacity: 45 A peak per channel
Input Impedance: Balanced 94 kΩ / Unbalanced 47 kΩ
Gain: 29 dB
Power Supply: 1.5 kVA toroidal transformer, 100,000 µF filter capacitance
Inputs: 5 × XLR / 5 × RCA
Control: 12V trigger and audio-sense auto-on
Dimensions (W × H × D): 17.25" × 5.25" × 20"
Weight: 55 lbs
Finish: Black anodized aluminum (rack mountable)

Top 20 Questions About Parasound HALO A52+ Five Channel Power Amplifier

What is the power output of the Parasound HALO A52+ Power Amplifier?
It delivers 180 watts per channel into 8 ohms and 255 watts per channel into 4 ohms with all five channels driven.

Is the Parasound HALO A52+ powerful enough for large home theater systems?
Yes. Its high current and damping factor provide excellent control and dynamic power for demanding speakers.

Who designed the Parasound HALO A52+ Power Amplifier?
It was designed by John Curl, known for creating some of the most respected amplifier circuits in high-end audio.

What type of amplifier class does the Parasound HALO A52+ use?
The amplifier operates in high-bias Class A/AB, offering both warmth and efficiency.

Is the Parasound HALO A52+ suitable for music and movies?
Yes. It excels with both stereo music and surround sound playback, maintaining clarity and authority across all channels.

Does the Parasound HALO A52+ have balanced inputs?
Yes. It includes five balanced XLR and five unbalanced RCA inputs for flexible connection options.

Can the Parasound HALO A52+ be rack-mounted?
Yes. It is 3U high and can be installed in standard 19-inch racks with optional rack ears.

Does the Parasound HALO A52+ use a fan for cooling?
No. It operates silently with convection cooling, using large heat sinks to dissipate heat efficiently.

What is the damping factor of the Parasound HALO A52+ Power Amplifier?
The damping factor exceeds 1100, providing exceptional bass control and transient accuracy.

How large is the power supply in the Parasound HALO A52+?
It features a 1.5 kVA toroidal transformer with 100,000 µF of filter capacitance for clean power reserves.

What is the total harmonic distortion of the Parasound HALO A52+?
THD is less than 0.05% at full rated output, ensuring transparency and musical purity.

Is the Parasound HALO A52+ bridgeable?
No. It is designed for true five-channel operation for balanced multi-channel playback.

What kind of protection does the Parasound HALO A52+ include?
It features short-circuit, DC offset, and thermal protection for safe and stable operation.

How heavy is the Parasound HALO A52+ Power Amplifier?
The amplifier weighs 55 pounds, reflecting its robust transformer and chassis construction.

What kind of sound character does the Parasound HALO A52+ produce?
It offers detailed mids, smooth highs, and authoritative bass response for lifelike dynamics.

Is the Parasound HALO A52+ a good match for AVR preamps?
Yes. It pairs perfectly with any brand AVR's that features pre outs for individual channels.

Does the Parasound HALO A52+ have adjustable gain controls?
Yes. Each channel has individual gain control to match system sensitivity.

What is the Warranty for the Parasound HALO A52+ Power Amplifier?
It includes a five-year parts and labor warranty from All Elite Audio.

What is the signal-to-noise ratio of the Parasound HALO A52+?
The S/N ratio exceeds 112 dB (A-weighted), ensuring a quiet and distortion-free background.

How can I get expert help before buying the Parasound HALO A52+ Power Amplifier?
For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team at All Elite Audio, your authorized Maryland dealer with a full home audio showroom.