Parasound A 21+

Parasound A 21+

In the complicated landscape of audio, many companies put stratospheric price tags on great performance. Parasound’s mission couldn’t be more different. Simply put, they offer the most performance for the money by finding the sweetest spot between price and diminishing returns. Their team of designers and engineers have been on the consumer side: music lovers, musicians, and audio enthusiasts looking for top-tier sound without breaking the bank.

SKU: A 21+ Category:


The A 21+ represents a new unparalleled value in amplifier performance. Details like soundstage depth, focus, and texture is where the A 21+  really stands apart. This stereo power amplifier delivers 300 watts per channel at 8 ohms, 500 watts per channel at 4 ohms, or 1,000 watts bridged. THD at full power is less than 0.1%,

The rich set of features includes:
High bias Class A/AB operation
60 amperes peak current per channel
Stable with speaker impedance dips to 1.5 Ω
Balanced inputs with discrete circuits
CHK Infinium, custom 5-way speaker binding posts
Gold-plated RCA input & loop output jacks
Direct-coupled signal path, no capacitors or inductors
DC Servo and relay protection circuits
AC turn-on inrush surge protection with relay bypass
JFET input stage, MOSFET driver stage
16 beta-matched 15 ampere, 60 MHz bipolar output transistors
1.3 kVA shielded toroid transformer w/ independent windings for each channel
Independent power supplies for input stage, driver stage and output stage
108,000 µF filter capacitors for output stages
Full power is rated all the way down to 5Hz for unrestricted low-end bass
Harris hyper-fast soft-recovery bridge diode rectifiers
Automatic turn-on by 12 V trigger or audio sensing
4 rack space chassis with rear carry handles
Rack mount hardware is included

Additional information


Black, Silver


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