The Parasound A31 3 Channel Power Amplifier represents the highest level of performance in Parasound's Halo Series, delivering exceptional power, precision, and musical transparency for serious home theater and two-channel audio enthusiasts. Designed with the same engineering philosophy as Parasound's flagship amplifiers, the A31 combines robust Class A/AB amplification with a massive power supply to provide effortless performance under demanding conditions.
Delivering 250 watts per channel into 8 ohms and 400 watts per channel into 4 ohms, the A31 offers the current capability required to control even the most challenging loudspeakers. Its high-current output stage and oversized toroidal transformer provide outstanding dynamic headroom, allowing movie soundtracks and music recordings to be reproduced with impact, accuracy, and exceptional detail.
The A31 is designed for seamless integration into premium entertainment systems, featuring both balanced XLR and RCA inputs for maximum flexibility with high-end processors and preamplifiers. Each channel operates with independent circuitry to minimize interference and maintain consistent performance, ensuring a clean and precise signal path from input to output.
With its combination of audiophile-grade construction, powerful amplification, and refined sonic character, the Parasound A31 is an ideal choice for flagship home theaters and high-performance audio systems. It delivers the authority, transparency, and reliability required to bring every detail of music and cinema to life.
- Component type: Three-channel power amplifier
- Amplifier technology: Class A/AB operation
- Power output: 250 W × 3 into 8 Ω, 400 W × 3 into 4 Ω
- Dynamic power: Up to 400 W into 8 Ω, 630 W into 4 Ω
- Frequency response: 5 Hz – 100 kHz (+0/-3 dB)
- Total harmonic distortion (THD): <0.005% at full power
- Inputs: Balanced XLR and unbalanced RCA inputs for each channel
- Power supply: 1.6 kVA toroidal transformer with high-current capability
- Trigger support: 12 V trigger input for automated system control
- Design features: Halo Series chassis, independent channel circuitry, high-current output stage, rack-mount capability, and premium-grade components