A pair of Emotiva Stealth PA-1 Balanced Class-D Monoblock Power Amplifiers

Each amp comes with the IEC power cord, 1/4" to XLR patch cable, 1/4" to RCA adapter, owners manual, and original double boxes.

Will ship in original Emotiva double boxes.

Each PA-1 delivers 140 watts RMS into 8 Ohms, or 300 watts RMS into 4 Ohms. They are cool running and only require minimal ventilation.  Because it’s so small, the PA-1 monoblock fits conveniently on any shelf.

I used these for 2 channel audio in my 'smoke-free' home office.

Audio Specifications

• Channels: 1
• Output power:    
  140 watts RMS into 8 Ohms at 1 kHz at 1% THD
  135 watts RMS into 8 Ohms at 0.1% THD
  300 watts RMS into 4 Ohms at 1 kHz at 1% THD
  270 watts RMS into 4 Ohms at 0.1% THD
  450 watts RMS into 2.7 Ohms at 1 kHz at 1% THD
• Input impedance: 47k Ohms (balanced).
• Voltage gain: 28 dB
• Full power bandwidth: 20 Hz to 20 kHz.
• THD+N: 0.005% at 1 kHz at 1 watt into 4 Ohms.
• S/N ratio:
  Referenced to 1 watt (A-weighted): 91 dB.
  Referenced to full output (A-weighted): 112 dB.
• Frequency response: 20 Hz to 20 kHz +/- 1 dB (worst case; 4 Ohm load).
• Damping factor: >500
• Rated load: From 2.5 Ohms to 8 Ohms.

Input And Output Connections

• Input Connections: Balanced; (accepts XLR, balanced ¼”, unbalanced ¼”).
• Speaker Output Connections: Audiophile grade 5-way binding posts.
• Trigger:
  The Stealth PA-1 can be configured to turn on when an audio signal is detected.

Power Requirements

• Anywhere between 100 VAC and 264 VAC @ 50 / 60 Hz (automatically detected).
• Standby power: Approximately 0.275 watts.
• Total power efficiency: Approximately 80%.

Front Panel Controls and Indicators

• Power LED: Illuminates blue when the PA-1 is On.

Rear Panel Controls

• AC Power switch: Rocker switch (switches AC main power).
• Auto/On Switch:
  
  In the On position, AC power to the PA-1 is controlled by the AC Power switch.
  
  In the Auto position, the PA-1 switches on automatically when audio is detected.

Protection

• The Stealth PA-1 is protected against excessive temperature, short circuit conditions, excessive DC offset at the output, and various input signal fault conditions. The protection circuitry in the PA-1 is totally transparent in normal operation. If a fault is detected, the PA-1 will instantly mute its output, and continue to monitor the situation. As soon as the fault is removed, the PA-1 will automatically reset itself and return to normal operation.

Mechanical

• Dimensions:
  8-1/2” wide x 1-7/8” high x 9” deep (unboxed, including feet, not including connectors).
  8-1/2” wide x 1-3/4” high x 9” deep (unboxed, without feet).
• Weight: 3 lbs (unboxed) 6 lbs (boxed)