Power Amplifiers
Parasound Halo A21+
The Parasound Halo A21+ is a stereo power amplifier designed by John Curl, offering balanced XLR and RCA inputs, bridging capability, and stability down to low speaker impedances. It is part of Parasound's Halo line and has since been discontinued in favor of newer models.
Specifications
| Frequency response | 5 Hz – 100 kHz |
| Input impedance | 33 kΩ |
| Minimum load | 1.5 Ω |
| Power output | 300 W into 8 Ω · 500 W into 4 Ω |
| THD | 0.1% |
| Signal-to-noise | 115 dB |
| Dimensions (W × H × D) | 448 × 181 × 508 mm |
| Weight | 32.2 kg |
As stated by the manufacturer — not community data.
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