Emotiva XPA HC-1 audio amplifiers x 3 (three)

The price listed is for all three. Ideal for LCR, including boosting a receiver's output. https://emotiva.com/products/hc-1 Almost as new, in box. If genuinely interested, please contact me to discuss. Circuit Topology The XPA HC-1 is a monoblock audio power amplifier, with a fully discrete, dual differential, high current, short signal path Class A/B amplifier section, Optimized Class H™ power supply topology, and microprocessor-controlled fault protection. The XPA HC-1 is powered by a high efficiency, audiophile grade, Switch Mode Power Supply (SMPS). Audio Specifications The XPA HC-1 features a single High-Powered Single Channel Amplifier Module. Power Output: •300 watts RMS; 20 Hz – 20 kHz; THD <0.1%; 8 Ohms •600 watts RMS; 20 Hz – 20 kHz; THD<0.2%; 4 Ohms Power Bandwidth (at rated power; 4 Ohm - 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.1 dB) Broad Band Frequency Response: 5 Hz to 80 kHz +0/-2 dB THD + noise: < 0.015%; at 100 watts RMS; 1 kHz; 8 Ohms Signal to Noise Ratio (8 Ohm load): > 120 dB; ref FTC rated power; unbalanced input (A-weighted) > 95 dB; ref 1 watt; unbalanced input (A-weighted) Minimum Recommended Load Impedance: 4 Ohms Damping Factor (8 Ohm load): > 500 Input Sensitivity (for rated power; 8 Ohm load): 1.71 V Gain: 29 dB Input Impedance: 33k Ohms (balanced) 23.5k Ohms (unbalanced) Input And Output Connections Input Connections: Unbalanced (RCA); balanced (XLR); independently selectable Speaker Output Connections: Audiophile grade, gold plated, 5-way binding posts Trigger Power Requirements Between 100 VAC and 250 VAC @ 50 / 60 Hz (automatically detected) Front Panel Controls and Indicators Standby: push button (halo ring changes color to indicate Standby or On) Status LED: one; blue Rear Panel Controls AC Power switch: rocker switch (switches AC main power) Status LED switch: disables front panel Status LED and dims Standby button halo Input selector switch Circuit Breaker: press button to reset circuit breaker.