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Parasound Halo A 52+ Five Channel Power Amplifier

Parasound Halo A 52+ Five Channel Power Amplifier

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Regular price $4,199 In stock now!
Regular price $4,199 Sale price $4,199 In stock now!
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Parasound Halo A 52+ Five-Channel Power Amplifier

A 180 W, high-bias class A and AB amp designed by John Curl. 

With circuitry designed by the legendary John Curl, the Parasound Halo A 52+ is a high-bias class-A with AB operation that will deliver monster power to your five-channel home theater setup. 

The JFET input stage is connected to a complementary MOSFET driver stage, and the amp uses 6 beta-matched 15 ampere, 60 MHz bipolar output transistors. The 55 lb. amp uses a 1.5 kVA encapsulated toroidal transformer with independent windings for each channel. The output stage uses 100,000 µF filter capacitors. 


  • DC Servo and relay protection circuits
  • Automatic turn-on by 12 V trigger or audio sensing
  • 3U chassis, rack-mountable with HRA3 (sold separately)


Power Output (8, 4 ohm): 180 W, 250 W

Inputs: 5 x RCA, 5 x XLR, DC trigger

Input Impedance (Bal., SE): 94 kΩ, 47 kΩ

Dimensions (WHD): 17-1/4" x 5-1/4" x 20"

Weight: 55 lb.